{"id":1425,"date":"2026-07-23T06:12:28","date_gmt":"2026-07-23T06:12:28","guid":{"rendered":"https:\/\/www.packtests.com\/?post_type=standard&#038;p=1425"},"modified":"2026-07-23T06:14:04","modified_gmt":"2026-07-23T06:14:04","slug":"astm-d1894","status":"publish","type":"standard","link":"https:\/\/www.packtests.com\/el\/standard\/astm-d1894\/","title":{"rendered":"ASTM D1894"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u03a4\u03b1 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03c6\u03b9\u03bb\u03bc \u03b4\u03b9\u03b1\u03b4\u03c1\u03b1\u03bc\u03b1\u03c4\u03af\u03b6\u03bf\u03c5\u03bd \u03ba\u03b1\u03b8\u03bf\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc \u03c1\u03cc\u03bb\u03bf \u03c3\u03c4\u03b7 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b7 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1, \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c3\u03b1\u03ba\u03bf\u03cd\u03bb\u03b5\u03c2 \u03c4\u03c1\u03bf\u03c6\u03af\u03bc\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c6\u03b1\u03c1\u03bc\u03b1\u03ba\u03b5\u03c5\u03c4\u03b9\u03ba\u03ac \u03c6\u03b1\u03ba\u03b5\u03bb\u03ac\u03ba\u03b9\u03b1 \u03ad\u03c9\u03c2 \u03c4\u03b9\u03c2 \u03b2\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b5\u03bd\u03b4\u03cd\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03bd\u03b1\u03bb\u03c9\u03c4\u03b9\u03ba\u03ce\u03bd \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd. \u0388\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc\u03c4\u03b5\u03c1\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf <strong>ASTM D1894<\/strong> \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 (COF). \u0388\u03bd\u03b1 \u03b1\u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c3\u03b5 \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ae \u03c4\u03b7\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2, \u03ba\u03b1\u03ba\u03ae \u03ba\u03b1\u03c4\u03b5\u03c1\u03b3\u03b1\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1, \u03b1\u03c3\u03c4\u03b1\u03b8\u03ae \u03c6\u03bf\u03c1\u03c4\u03af\u03b1 \u03c0\u03b1\u03bb\u03b5\u03c4\u03ce\u03bd \u03ae \u03bc\u03b7 \u03b9\u03ba\u03b1\u03bd\u03bf\u03c0\u03bf\u03b9\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bc\u03c0\u03b5\u03b9\u03c1\u03af\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03b1\u03bb\u03c9\u03c4\u03ae.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a3\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03ac\u03c1\u03b8\u03c1\u03bf \u03b5\u03be\u03b7\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 <strong>ASTM D1894<\/strong> \u03b1\u03c0\u03cc \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03ac\u03c0\u03bf\u03c8\u03b7, \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03ba\u03bf\u03c0\u03bf\u03cd \u03c4\u03bf\u03c5 <strong>\u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2<\/strong>, \u03c4\u03b9\u03c2 \u03b1\u03c1\u03c7\u03ad\u03c2 \u03c4\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd, \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03b1\u03c3\u03af\u03b1 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b9\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd, \u03c4\u03b7\u03bd \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b1 \u03c4\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd. \u0395\u03af\u03c4\u03b5 \u03b5\u03af\u03c3\u03c4\u03b5 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ae\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03b9\u03ce\u03bd, \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03cc\u03c2 \u03c0\u03bf\u03b9\u03bf\u03c4\u03b9\u03ba\u03bf\u03cd \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5, \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03b7\u03c1\u03af\u03bf\u03c5 \u03ae \u03c5\u03c0\u03b5\u03cd\u03b8\u03c5\u03bd\u03bf\u03c2 \u03b1\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7\u03c2 \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd, \u03b7 \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 <strong>ASTM D1894<\/strong> \u03c3\u03c5\u03bc\u03b2\u03ac\u03bb\u03bb\u03b5\u03b9 \u03c3\u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b1\u03c0\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0393\u03b9\u03b1\u03c4\u03af \u03c4\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf ASTM D1894 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D1894<\/strong> \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c4\u03c5\u03c0\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc \u03c4\u03bf\u03c5 <strong>\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03cc\u03c2 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2<\/strong> \u03ba\u03b1\u03b9 <strong>\u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc\u03c2 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2<\/strong> \u03b1\u03c0\u03cc \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c6\u03cd\u03bb\u03bb\u03b1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0397 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03b1\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03b5\u03af \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03ad\u03bd\u03b1\u03c1\u03be\u03b7 \u03c4\u03b7\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b4\u03cd\u03bf \u03b5\u03c0\u03b9\u03c6\u03b1\u03bd\u03b5\u03b9\u03ce\u03bd \u03c0\u03bf\u03c5 \u03ad\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b5\u03c0\u03b1\u03c6\u03ae, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bd\u03b5\u03c7\u03bf\u03cd\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2. \u039f\u03b9 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bd \u03c0\u03bf\u03bb\u03cd\u03c4\u03b9\u03bc\u03b5\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03c4\u03c9\u03bd \u03c5\u03bb\u03b9\u03ba\u03ce\u03bd \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1\u03c2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a3\u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03b9\u03ce\u03bd, \u03b7 \u03c4\u03c1\u03b9\u03b2\u03ae \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03b9 \u03ac\u03bc\u03b5\u03c3\u03b1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0394\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5 \u00abform-fill-seal\u00bb \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2<\/li>\n\n\n\n<li>\u0395\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc\u03c2 \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c3\u03ae\u03bc\u03b1\u03bd\u03c3\u03b7\u03c2<\/li>\n\n\n\n<li>\u03a3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1\u03c2 \u03c3\u03b5 \u03c7\u03b1\u03c1\u03c4\u03bf\u03ba\u03b9\u03b2\u03ce\u03c4\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2<\/li>\n\n\n\n<li>\u03a3\u03c4\u03b1\u03b8\u03b5\u03c1\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c3\u03c4\u03bf\u03af\u03b2\u03b1\u03be\u03b7\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03b9\u03ce\u03bd<\/li>\n\n\n\n<li>\u0391\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03c0\u03b5\u03c1\u03b9\u03c4\u03cd\u03bb\u03b9\u03be\u03b7\u03c2 \u03c1\u03bf\u03bb\u03bf\u03cd<\/li>\n\n\n\n<li>\u0395\u03bc\u03c0\u03b5\u03b9\u03c1\u03af\u03b1 \u03c7\u03b5\u03b9\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03b1\u03bb\u03c9\u03c4\u03ae<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0395\u03c0\u03b5\u03b9\u03b4\u03ae \u03b7 \u03c4\u03c1\u03b9\u03b2\u03ae \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03b9 \u03c4\u03cc\u03c3\u03bf \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 \u03c4\u03b5\u03bb\u03b9\u03ba\u03bf\u03cd \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03bf\u03c2, <strong>\u0394\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 COF \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03b9\u03ce\u03bd<\/strong> \u03ad\u03c7\u03b5\u03b9 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03b5\u03af \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03ae\u03b8\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c3\u03b5 \u03c0\u03bf\u03bb\u03bb\u03bf\u03cd\u03c2 \u03ba\u03bb\u03ac\u03b4\u03bf\u03c5\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u039a\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03bf\u03cd \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a4\u03bf <strong>\u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2<\/strong> \u03bc\u03b5\u03c4\u03c1\u03ac \u03b4\u03cd\u03bf \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ad\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u03a0\u03b1\u03c1\u03ac\u03bc\u03b5\u03c4\u03c1\u03bf\u03c2<\/th><th>\u03a0\u03b5\u03c1\u03b9\u03b3\u03c1\u03b1\u03c6\u03ae<\/th><th>\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1<\/th><\/tr><\/thead><tbody><tr><td>\u03a3\u03c4\u03b1\u03c4\u03b9\u03ba\u03cc\u03c2 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 (COF)<\/td><td>\u0394\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03ad\u03bd\u03b1\u03c1\u03be\u03b7 \u03c4\u03b7\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2<\/td><td>\u03a5\u03c0\u03bf\u03b4\u03b7\u03bb\u03ce\u03bd\u03b5\u03b9 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03ac\u03c3\u03b7 \u03c0\u03c1\u03bf\u03c3\u03ba\u03cc\u03bb\u03bb\u03b7\u03c3\u03b7\u03c2 \u03ae \u03b1\u03c0\u03cc\u03c6\u03c1\u03b1\u03be\u03b7\u03c2<\/td><\/tr><tr><td>\u039a\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc\u03c2 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 (COF)<\/td><td>\u0394\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2<\/td><td>\u0391\u03bd\u03c4\u03b1\u03bd\u03b1\u03ba\u03bb\u03ac \u03c4\u03b7 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0388\u03bd\u03b1\u03c2 \u03c5\u03c8\u03b7\u03bb\u03cc\u03c2 \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03cc\u03c2 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 (COF) \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ad\u03c3\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03ba\u03cc\u03bb\u03bb\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03bc\u03b5\u03bc\u03b2\u03c1\u03b1\u03bd\u03ce\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2, \u03b5\u03bd\u03ce \u03ad\u03bd\u03b1\u03c2 \u03c0\u03bf\u03bb\u03cd \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c2 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b5\u03b9\u03ce\u03c3\u03b5\u03b9 \u03c4\u03b7 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03c4\u03bf\u03af\u03b2\u03b1\u03c2. \u039f\u03bc\u03bf\u03af\u03c9\u03c2, \u03bf \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc\u03c2 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b7\u03bd \u03bf\u03bc\u03b1\u03bb\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03c4\u03b1 \u03c5\u03bb\u03b9\u03ba\u03ac \u03bc\u03b5\u03c4\u03b1\u03ba\u03b9\u03bd\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03b1 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1\u03c2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a4\u03bf \u03b2\u03ad\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b7 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03ba\u03b1\u03b9 \u03cc\u03c7\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03b4\u03af\u03c9\u03be\u03b7 \u03c4\u03b7\u03c2 \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7\u03c2 \u03b4\u03c5\u03bd\u03b1\u03c4\u03ae\u03c2 \u03c4\u03b9\u03bc\u03ae\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0391\u03c1\u03c7\u03ae \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf ASTM D1894<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0397 \u03b1\u03c1\u03c7\u03ae \u03c4\u03b7\u03c2 <strong>ASTM D1894<\/strong> \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03bb\u03cc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0388\u03bd\u03b1 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c3\u03c4\u03b5\u03c1\u03b5\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03c0\u03bb\u03b1\u03c4\u03c6\u03cc\u03c1\u03bc\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd, \u03b5\u03bd\u03ce \u03ad\u03bd\u03b1 \u03ac\u03bb\u03bb\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c3\u03c5\u03bd\u03b4\u03ad\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03ad\u03bb\u03ba\u03b7\u03b8\u03c1\u03bf \u03bc\u03b5 \u03b2\u03ac\u03c1\u03bf\u03c2. \u03a4\u03bf \u03ad\u03bb\u03ba\u03b7\u03b8\u03c1\u03bf \u03ad\u03bb\u03ba\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03b5\u03bb\u03b5\u03b3\u03c7\u03cc\u03bc\u03b5\u03bd\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03bc\u03b5 \u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03bf\u03c1\u03b3\u03ac\u03bd\u03bf\u03c5 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd. \u039a\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2, \u03c4\u03bf \u03cc\u03c1\u03b3\u03b1\u03bd\u03bf \u03bc\u03b5\u03c4\u03c1\u03ac \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03c2 \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03ad\u03bb\u03be\u03b7\u03c2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u039f \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03b5\u03be\u03ae\u03c2:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>COF = \u0394\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u00f7 \u039a\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ae \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0397 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03ad\u03bd\u03b1\u03c1\u03be\u03b7 \u03c4\u03b7\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03cd\u03b5\u03b9 \u03c4\u03bf\u03bd \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03cc \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2, \u03b5\u03bd\u03ce \u03b7 \u03bc\u03ad\u03c3\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03cd\u03b5\u03b9 \u03c4\u03bf\u03bd \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u039f \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae\u03c2 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03bf\u03c2, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03bf\u03b9 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03b5\u03be\u03b1\u03c1\u03c4\u03ce\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2. \u03a4\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf ASTM D1894 \u03bf\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 <strong>150 mm\/min<\/strong>, \u03b5\u03bd\u03ce \u03c4\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf ISO 8295 \u03bf\u03c1\u03af\u03b6\u03b5\u03b9 <strong>100 mm\/min<\/strong>, \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ac \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b7 \u03c4\u03b7 \u03c3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03bf\u03c1\u03b3\u03ac\u03bd\u03c9\u03bd \u03bc\u03b5 \u03c4\u03bf \u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03bc\u03ad\u03bd\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0391\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0397 \u03c3\u03c9\u03c3\u03c4\u03ae \u03c0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03b1\u03c3\u03af\u03b1 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b9\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03b8\u03bf\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03bb\u03ae\u03c8\u03b7 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf ASTM D1894:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0394\u03b5\u03af\u03b3\u03bc\u03b1<\/th><th>\u03a4\u03c5\u03c0\u03b9\u03ba\u03cc \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2<\/th><\/tr><\/thead><tbody><tr><td>\u0395\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1<\/td><td>\u03a0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 250 \u00d7 130 mm<\/td><\/tr><tr><td>\u039c\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7 \u03c3\u03c4\u03b5\u03c1\u03b5\u03c9\u03bc\u03ad\u03bd\u03b7 \u03c3\u03c4\u03bf \u03ad\u03bb\u03ba\u03b7\u03b8\u03c1\u03bf<\/td><td>\u03a0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 120 \u00d7 120 mm<\/td><\/tr><tr><td>\u03a0\u03b1\u03c7\u03cd \u03c6\u03cd\u03bb\u03bb\u03bf \u03c3\u03c4\u03b5\u03c1\u03b5\u03c9\u03bc\u03ad\u03bd\u03bf \u03c3\u03c4\u03bf \u03ad\u03bb\u03ba\u03b7\u03b8\u03c1\u03bf<\/td><td>63,5 \u00d7 63,5 mm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a4\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03ac \u03b5\u03c0\u03af\u03c3\u03b7\u03c2:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03c4\u03bf\u03c5\u03bb\u03ac\u03c7\u03b9\u03c3\u03c4\u03bf\u03bd \u03c0\u03ad\u03bd\u03c4\u03b5 \u03b4\u03b5\u03b9\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd<\/li>\n\n\n\n<li>\u03a7\u03c1\u03ae\u03c3\u03b7 \u03ba\u03b1\u03b8\u03b1\u03c1\u03ce\u03bd, \u03bc\u03b7 \u03bc\u03bf\u03bb\u03c5\u03c3\u03bc\u03ad\u03bd\u03c9\u03bd \u03b4\u03b5\u03b9\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd<\/li>\n\n\n\n<li>\u0391\u03c0\u03bf\u03c6\u03c5\u03b3\u03ae \u03b4\u03b1\u03ba\u03c4\u03c5\u03bb\u03b9\u03ba\u03ce\u03bd \u03b1\u03c0\u03bf\u03c4\u03c5\u03c0\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd \u03c3\u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd<\/li>\n\n\n\n<li>\u0391\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b4\u03b5\u03b9\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd \u03bc\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03ba\u03ac\u03b8\u03b5 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae<\/li>\n\n\n\n<li>\u0394\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae\u03c2 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c5\u03c6\u03ac\u03c3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0391\u03ba\u03cc\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03ad\u03c2 \u03c0\u03bf\u03c3\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c3\u03ba\u03cc\u03bd\u03b7\u03c2 \u03ae \u03bb\u03b1\u03b4\u03b9\u03bf\u03cd \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03c3\u03bf\u03c5\u03bd \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03c4\u03b9\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03b5\u03c4\u03c1\u03ce\u03bd\u03c4\u03b1\u03b9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u03a0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03bf\u03bd \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a4\u03bf <strong>\u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2<\/strong> \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03c4\u03c1\u03bf\u03c5\u03c2, \u03c0\u03ad\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u039c\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03cc\u03bd\u03c4\u03c9\u03bd \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u03a0\u03c1\u03cc\u03c3\u03b8\u03b5\u03c4\u03b1 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u039f\u03b9 \u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b5\u03c2 \u03c0\u03bf\u03bb\u03c5\u03b1\u03b9\u03b8\u03c5\u03bb\u03b5\u03bd\u03af\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c0\u03bf\u03bb\u03c5\u03c0\u03c1\u03bf\u03c0\u03c5\u03bb\u03b5\u03bd\u03af\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c5\u03c7\u03bd\u03ac \u03c0\u03c1\u03cc\u03c3\u03b8\u03b5\u03c4\u03b1 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1, \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03ac\u03c1\u03bf\u03b4\u03bf \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5, \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1, \u03bc\u03b5\u03c4\u03b1\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0395\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03b5\u03c0\u03b9\u03c6\u03b1\u03bd\u03b5\u03b9\u03ce\u03bd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0397 \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03bc\u03b5 \u03ba\u03bf\u03c1\u03ce\u03bd\u03b1, \u03b7 \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03bc\u03b5 \u03c0\u03bb\u03ac\u03c3\u03bc\u03b1, \u03bf\u03b9 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03b5\u03ba\u03c4\u03cd\u03c0\u03c9\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03b2\u03ac\u03bb\u03bb\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03b1\u03bd\u03b5\u03b9\u03b1\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03ba\u03b1\u03b9, \u03ba\u03b1\u03c4\u03ac \u03c3\u03c5\u03bd\u03ad\u03c0\u03b5\u03b9\u03b1, \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0393\u03ae\u03c1\u03b1\u03bd\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a0\u03bf\u03bb\u03bb\u03ac \u03c0\u03c1\u03cc\u03c3\u03b8\u03b5\u03c4\u03b1 \u03b1\u03bd\u03b1\u03b4\u03cd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ac. \u03a9\u03c2 \u03b5\u03ba \u03c4\u03bf\u03cd\u03c4\u03bf\u03c5, \u03bf\u03b9 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03b5\u03bd\u03b4\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03b8\u03bf\u03cd\u03bd \u03b7\u03bc\u03ad\u03c1\u03b5\u03c2 \u03ae \u03b5\u03b2\u03b4\u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u039f\u03b9 \u03c0\u03b5\u03c1\u03b9\u03b2\u03b1\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03c4\u03c9\u03bd \u03c0\u03bf\u03bb\u03c5\u03bc\u03b5\u03c1\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0394\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u039f\u03b9 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03b5\u03be\u03ce\u03b8\u03b7\u03c3\u03b7\u03c2, \u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03ba\u03c5\u03bb\u03af\u03bd\u03b4\u03c1\u03bf\u03c5 \u03c8\u03cd\u03be\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03cc\u03bb\u03b5\u03c2 \u03c4\u03b7 \u03bc\u03bf\u03c1\u03c6\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0393\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03b9 \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03c3\u03b5\u03b9\u03c2 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b5\u03c2, \u03c4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03b1 \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c4\u03b7\u03c1\u03bf\u03cd\u03bd \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ad\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2 \u03c0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03b1\u03c3\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ad\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b2\u03b1\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u03a3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03c7\u03b1\u03c1\u03c4\u03b9\u03bf\u03cd \u03c3\u03b5 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0391\u03bd \u03ba\u03b1\u03b9 <strong>ASTM D1894<\/strong> \u03b1\u03bd \u03ba\u03b1\u03b9 \u03b1\u03c6\u03bf\u03c1\u03ac \u03ba\u03c5\u03c1\u03af\u03c9\u03c2 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c6\u03cd\u03bb\u03bb\u03b1, \u03c0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03b5\u03c2 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 <strong>\u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03c7\u03b1\u03c1\u03c4\u03b9\u03bf\u03cd<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u039f\u03b9 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c7\u03b1\u03c1\u03c4\u03af \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u03a0\u03c4\u03c5\u03c3\u03c3\u03cc\u03bc\u03b5\u03bd\u03b1 \u03ba\u03bf\u03c5\u03c4\u03b9\u03ac<\/li>\n\n\n\n<li>\u0395\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ac \u03c7\u03b1\u03c1\u03c4\u03cc\u03bd\u03b9\u03b1 \u03ba\u03c5\u03bc\u03b1\u03c4\u03bf\u03b5\u03b9\u03b4\u03bf\u03cd\u03c2 \u03c7\u03b1\u03c1\u03c4\u03b9\u03bf\u03cd<\/li>\n\n\n\n<li>\u0395\u03c4\u03b9\u03ba\u03ad\u03c4\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c7\u03b1\u03c1\u03c4\u03af<\/li>\n\n\n\n<li>\u03a7\u03b1\u03c1\u03c4\u03cc\u03bd\u03b9 \u03bc\u03b5 \u03b5\u03c0\u03af\u03c3\u03c4\u03c1\u03c9\u03c3\u03b7<\/li>\n\n\n\n<li>\u03a5\u03bb\u03b9\u03ba\u03ac \u03b5\u03ba\u03c4\u03cd\u03c0\u03c9\u03c3\u03b7\u03c2<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u039f\u03b9 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03c7\u03b1\u03c1\u03c4\u03b9\u03bf\u03cd \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03c3\u03c5\u03c7\u03bd\u03ac \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bb\u03cc\u03b3\u03c9 \u03c4\u03b7\u03c2 \u03c4\u03c1\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2, \u03c4\u03c9\u03bd \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ce\u03c3\u03b5\u03c9\u03bd, \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03c3\u03b1\u03bd\u03b1\u03c4\u03bf\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd \u03c4\u03c9\u03bd \u03b9\u03bd\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b1\u03c0\u03bf\u03c1\u03c1\u03cc\u03c6\u03b7\u03c3\u03b7\u03c2 \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1\u03c2. \u03a3\u03b5 \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b5\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2, \u03b7 \u03c4\u03c1\u03b9\u03b2\u03ae \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5 \u03c7\u03b1\u03c1\u03c4\u03b9\u03bf\u03cd \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5\u03bc\u03b2\u03c1\u03b1\u03bd\u03ce\u03bd \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03c4\u03c9\u03bd \u03bc\u03b7\u03c7\u03b1\u03bd\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0397 \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03cc\u03c3\u03bf \u03c4\u03bf\u03c5 <strong>\u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03c7\u03b1\u03c1\u03c4\u03b9\u03bf\u03cd<\/strong> \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03c5\u03bb\u03b9\u03ba\u03ac \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2 \u03bd\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c4\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ac \u03c5\u03bb\u03b9\u03ba\u03ac.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03c4\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 (COF) \u03c3\u03c4\u03b7 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0394\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 COF \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03b9\u03ce\u03bd<\/strong> \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03c5\u03c1\u03ad\u03c9\u03c2 \u03c3\u03b5 \u03cc\u03bb\u03b5\u03c2 \u03c4\u03b9\u03c2 \u03c6\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae\u03c2 \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0395\u03c5\u03ad\u03bb\u03b9\u03ba\u03c4\u03b5\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b5\u03c2<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u03a3\u03b1\u03ba\u03bf\u03c5\u03bb\u03ac\u03ba\u03b9\u03b1 \u03b3\u03b9\u03b1 \u03c3\u03bd\u03b1\u03ba<\/li>\n\n\n\n<li>\u03a3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b5\u03c2 \u03ba\u03b1\u03c4\u03b5\u03c8\u03c5\u03b3\u03bc\u03ad\u03bd\u03c9\u03bd \u03c4\u03c1\u03bf\u03c6\u03af\u03bc\u03c9\u03bd<\/li>\n\n\n\n<li>\u03a3\u03b1\u03ba\u03bf\u03c5\u03bb\u03ac\u03ba\u03b9\u03b1 \u03c4\u03cd\u03c0\u03bf\u03c5 \u03c1\u03b5\u03c4\u03cc\u03c1\u03c4\u03b1\u03c2<\/li>\n\n\n\n<li>\u03a3\u03b1\u03ba\u03bf\u03cd\u03bb\u03b5\u03c2 \u03ba\u03b5\u03bd\u03bf\u03cd \u03b1\u03ad\u03c1\u03b1<\/li>\n\n\n\n<li>\u03a3\u03b1\u03ba\u03bf\u03c5\u03bb\u03ac\u03ba\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03c3\u03c4\u03ad\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03cc\u03c1\u03b8\u03b9\u03b1<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u03a3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1 \u03c6\u03b1\u03c1\u03bc\u03b1\u03ba\u03b5\u03c5\u03c4\u03b9\u03ba\u03ce\u03bd \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0399\u03b1\u03c4\u03c1\u03b9\u03ba\u03ad\u03c2 \u03b8\u03ae\u03ba\u03b5\u03c2<\/li>\n\n\n\n<li>\u03a5\u03bb\u03b9\u03ba\u03ac \u03ba\u03ac\u03bb\u03c5\u03c8\u03b7\u03c2 \u03c6\u03c5\u03c3\u03b1\u03bb\u03af\u03b4\u03c9\u03bd<\/li>\n\n\n\n<li>\u03a3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b1\u03c0\u03bf\u03c3\u03c4\u03b5\u03b9\u03c1\u03c9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03c6\u03c1\u03b1\u03b3\u03bc\u03bf\u03cd<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u039a\u03b1\u03c4\u03b1\u03bd\u03b1\u03bb\u03c9\u03c4\u03b9\u03ba\u03ac \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03b1<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u03a3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b5\u03c2 \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b9\u03ba\u03ae\u03c2 \u03c6\u03c1\u03bf\u03bd\u03c4\u03af\u03b4\u03b1\u03c2<\/li>\n\n\n\n<li>\u03a3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b5\u03c2 \u03bf\u03b9\u03ba\u03b9\u03b1\u03ba\u03ce\u03bd \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd<\/li>\n\n\n\n<li>\u0395\u03c5\u03ad\u03bb\u03b9\u03ba\u03c4\u03b5\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b5\u03c2 \u03ba\u03b1\u03bb\u03bb\u03c5\u03bd\u03c4\u03b9\u03ba\u03ce\u03bd<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u0392\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b5\u03c2<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u039c\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b5\u03c2 \u03c4\u03b5\u03bd\u03c4\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2<\/li>\n\n\n\n<li>\u039c\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b5\u03c2 \u03c3\u03c5\u03c1\u03c1\u03af\u03ba\u03bd\u03c9\u03c3\u03b7\u03c2<\/li>\n\n\n\n<li>\u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03bb\u03cd\u03bc\u03bc\u03b1\u03c4\u03b1<\/li>\n\n\n\n<li>\u03a4\u03c3\u03ac\u03bd\u03c4\u03b5\u03c2 \u03b2\u03b1\u03c1\u03ad\u03c9\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u039f\u03b9 \u03c4\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03c3\u03c5\u03bc\u03b2\u03ac\u03bb\u03bb\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf\u03bd \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc \u03b4\u03b9\u03b1\u03ba\u03c5\u03bc\u03ac\u03bd\u03c3\u03b5\u03c9\u03bd \u03c3\u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae \u03c0\u03c1\u03b9\u03bd \u03c4\u03b1 \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03b1 \u03c6\u03c4\u03ac\u03c3\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf\u03c5\u03c2 \u03c0\u03b5\u03bb\u03ac\u03c4\u03b5\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u03a0\u03ce\u03c2 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03b5\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ae \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 (COF)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0397 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf\u03c5 <strong>\u039c\u03b7\u03c7\u03b1\u03bd\u03ae \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd COF<\/strong> \u03b4\u03b5\u03bd \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03bb\u03ce\u03c2 \u03c3\u03c4\u03b7\u03bd \u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b2\u03b1\u03c3\u03b9\u03ba\u03ce\u03bd \u03c0\u03c1\u03bf\u03b4\u03b9\u03b1\u03b3\u03c1\u03b1\u03c6\u03ce\u03bd. \u03a4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03b1 \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03bf\u03cd\u03bd \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03b6\u03b7\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03bb\u03b7\u03c6\u03b8\u03bf\u03cd\u03bd \u03c5\u03c0\u03cc\u03c8\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03b5\u03be\u03ae\u03c2:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u03a3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 ASTM D1894 \u03ba\u03b1\u03b9 ISO 8295<\/li>\n\n\n\n<li>\u03a3\u03c4\u03b1\u03b8\u03b5\u03c1\u03cc\u03c2 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ad\u03bb\u03be\u03b7\u03c2<\/li>\n\n\n\n<li>\u039a\u03c5\u03c8\u03ad\u03bb\u03b7 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1\u03c2<\/li>\n\n\n\n<li>\u0391\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03bf\u03cd \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 (COF)<\/li>\n\n\n\n<li>\u0395\u03cd\u03ba\u03bf\u03bb\u03b7 \u03c3\u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1<\/li>\n\n\n\n<li>\u0394\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/li>\n\n\n\n<li>\u03a3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2<\/li>\n\n\n\n<li>\u0395\u03cd\u03ba\u03bf\u03bb\u03b7 \u03c4\u03bf\u03c0\u03bf\u03b8\u03ad\u03c4\u03b7\u03c3\u03b7 \u03b4\u03b5\u03b9\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a4\u03b1 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b1 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03b1 \u03b5\u03c0\u03c9\u03c6\u03b5\u03bb\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03b1\u03c0\u03cc \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ad\u03c2 \u03bc\u03b5 \u03bf\u03b8\u03cc\u03bd\u03b7 \u03b1\u03c6\u03ae\u03c2, \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03bd\u03b1\u03bb\u03cd\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b5\u03c2 \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ae\u03c2 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ce\u03bd.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">COF-01 \u03a3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd Cell Instruments<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/COF-01cof-testing-machine-1024x1024.webp\" alt=\"ASTM D1894: \u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03b3\u03b9\u03b1 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b5\u03c2\" class=\"wp-image-1426\" style=\"width:314px;height:auto\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/COF-01cof-testing-machine-1024x1024.webp 1024w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/COF-01cof-testing-machine-300x300.webp 300w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/COF-01cof-testing-machine-150x150.webp 150w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/COF-01cof-testing-machine-768x768.webp 768w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/COF-01cof-testing-machine-12x12.webp 12w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/COF-01cof-testing-machine.webp 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u0393\u03b9\u03b1 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b1 <strong>\u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2<\/strong> \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1, \u03c4\u03b1 <strong>COF-01 \u03a3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2<\/strong> \u03b1\u03c0\u03cc <a href=\"https:\/\/www.packtests.com\/el\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cell Instruments<\/a> \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae \u03bb\u03cd\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c4\u03b1\u03ba\u03c4\u03b9\u03ba\u03cc \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0392\u03b1\u03c3\u03b9\u03ba\u03ac \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u03a3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf<\/th><th>\u03a0\u03c1\u03bf\u03b4\u03b9\u03b1\u03b3\u03c1\u03b1\u03c6\u03ad\u03c2<\/th><\/tr><\/thead><tbody><tr><td>\u039a\u03c5\u03c8\u03ad\u03bb\u03b7 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5<\/td><td>5 N (\u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03cc\u03c3\u03b9\u03bc\u03bf)<\/td><\/tr><tr><td>\u0391\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1<\/td><td>0,51 TP5T F.S.<\/td><\/tr><tr><td>\u0392\u03ac\u03c1\u03bf\u03c2 \u03ad\u03bb\u03ba\u03b7\u03b8\u03c1\u03bf\u03c5<\/td><td>200 \u00b11 g<\/td><\/tr><tr><td>\u03a4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2<\/td><td>150 mm\/min (ASTM), 100 mm\/min (ISO)<\/td><\/tr><tr><td>\u03a3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2<\/td><td>\u0392\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03ae\u03c1\u03b1\u03c2 \u03bc\u03b5 \u03ba\u03bf\u03c7\u03bb\u03af\u03b1 \u03bc\u03b5 \u03c3\u03c6\u03b1\u03b9\u03c1\u03af\u03b4\u03b9\u03b1<\/td><\/tr><tr><td>\u0394\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7<\/td><td>\u0388\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u03bc\u03ad\u03c3\u03c9 PLC \u03bc\u03b5 HMI \u03bc\u03b5 \u03bf\u03b8\u03cc\u03bd\u03b7 \u03b1\u03c6\u03ae\u03c2<\/td><\/tr><tr><td>\u0388\u03be\u03bf\u03b4\u03bf\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/td><td>\u039c\u03ad\u03b3., \u0395\u03bb\u03ac\u03c7., \u039c\u03ad\u03c3\u03bf\u03c2 \u03cc\u03c1\u03bf\u03c2 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 (COF), \u03b5\u03ba\u03c4\u03c5\u03c0\u03c9\u03c4\u03ae\u03c2, \u03c0\u03c1\u03bf\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae \u03b8\u03cd\u03c1\u03b1 RS-232<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u03a0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ac \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a4\u03bf COF-01 \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03bc\u03ad\u03c3\u03c9:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0394\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b4\u03b9\u03c0\u03bb\u03ae\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2: \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2<\/li>\n\n\n\n<li>\u0391\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b7 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/li>\n\n\n\n<li>\u0391\u03c0\u03b5\u03b9\u03ba\u03cc\u03bd\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03c3\u03b5 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03c7\u03c1\u03cc\u03bd\u03bf<\/li>\n\n\n\n<li>\u039a\u03af\u03bd\u03b7\u03c3\u03b7 \u03bc\u03b5 \u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1<\/li>\n\n\n\n<li>\u0391\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03ae \u03c0\u03bb\u03b1\u03c4\u03c6\u03cc\u03c1\u03bc\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03b1\u03c0\u03cc \u03b1\u03bb\u03bf\u03c5\u03bc\u03af\u03bd\u03b9\u03bf<\/li>\n\n\n\n<li>\u03a0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03cc\u03c3\u03b9\u03bc\u03b7 \u03b3\u03bb\u03c9\u03c3\u03c3\u03b9\u03ba\u03ae \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae<\/li>\n\n\n\n<li>\u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b7 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0391\u03c5\u03c4\u03ac \u03c4\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03b2\u03bf\u03b7\u03b8\u03bf\u03cd\u03bd \u03c4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03c5\u03bd \u03c3\u03c5\u03bd\u03b5\u03c0\u03ae \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03ae\u03c8\u03b9\u03bc\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1, \u03b1\u03c0\u03bb\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03c4\u03b7\u03bd \u03ba\u03b1\u03b8\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03ae \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03bf\u03c5\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0392\u03ad\u03bb\u03c4\u03b9\u03c3\u03c4\u03b5\u03c2 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf ASTM D1894<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0393\u03b9\u03b1 \u03c4\u03b7 \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bd\u03ad\u03c0\u03b5\u03b9\u03b1\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03c9\u03bd:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0395\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03b4\u03b5\u03b9\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd \u03c5\u03c0\u03cc \u03b5\u03bb\u03b5\u03b3\u03c7\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03b1\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2.<\/li>\n\n\n\n<li>\u03a7\u03b5\u03b9\u03c1\u03b9\u03c3\u03c4\u03b5\u03af\u03c4\u03b5 \u03c4\u03b1 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 \u03c6\u03bf\u03c1\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b3\u03ac\u03bd\u03c4\u03b9\u03b1 \u03cc\u03c0\u03bf\u03c4\u03b5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03bd.<\/li>\n\n\n\n<li>\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b5 \u03c6\u03c1\u03ad\u03c3\u03ba\u03b1 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b7.<\/li>\n\n\n\n<li>\u0394\u03b9\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c0\u03bb\u03b1\u03c4\u03c6\u03cc\u03c1\u03bc\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03ba\u03b1\u03b8\u03b1\u03c1\u03ae.<\/li>\n\n\n\n<li>\u0395\u03bb\u03ad\u03b3\u03c7\u03b5\u03c4\u03b5 \u03c0\u03b5\u03c1\u03b9\u03bf\u03b4\u03b9\u03ba\u03ac \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03ad\u03bb\u03ba\u03b7\u03b8\u03c1\u03bf\u03c5.<\/li>\n\n\n\n<li>\u03a0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b5 \u03c4\u03b1\u03ba\u03c4\u03b9\u03ba\u03ac \u03c4\u03b7 \u03b2\u03b1\u03b8\u03bc\u03bf\u03bd\u03cc\u03bc\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b1\u03b9\u03c3\u03b8\u03b7\u03c4\u03ae\u03c1\u03b1 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5.<\/li>\n\n\n\n<li>\u0394\u03b9\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03b8\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03ad\u03bb\u03be\u03b7\u03c2.<\/li>\n\n\n\n<li>\u0394\u03b9\u03b5\u03be\u03ac\u03b3\u03b5\u03c4\u03b5 \u03b5\u03c0\u03b1\u03c1\u03ba\u03ae \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc \u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03ae\u03c8\u03b5\u03c9\u03bd \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03c3\u03b5\u03c4\u03b5 \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u039f\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c0\u03b5\u03af\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03b1\u03ba\u03ad\u03c2 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bc\u03b2\u03ac\u03bb\u03bb\u03bf\u03c5\u03bd \u03c3\u03c5\u03c7\u03bd\u03ac \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03b7\u03c8\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c0\u03cc \u03cc,\u03c4\u03b9 \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03c4\u03bf \u03cc\u03c1\u03b3\u03b1\u03bd\u03bf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1894 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b1\u03c6\u03ae \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0391\u03bd \u03ba\u03b1\u03b9 <strong>ASTM D1894<\/strong> \u0391\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b9\u03bf \u03b4\u03b9\u03b1\u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03b3\u03b9\u03b1 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b5\u03c2, \u03b5\u03bd\u03ce \u03c4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03b1 \u03c3\u03c5\u03c7\u03bd\u03ac \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c3\u03c5\u03bd\u03b1\u03c6\u03ae \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u03a0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf<\/th><th>\u0391\u03af\u03c4\u03b7\u03c3\u03b7<\/th><\/tr><\/thead><tbody><tr><td>ASTM D1894<\/td><td>\u03a3\u03c4\u03b1\u03c4\u03b9\u03ba\u03cc\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc\u03c2 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 (COF) \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5\u03bc\u03b2\u03c1\u03b1\u03bd\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c6\u03cd\u03bb\u03bb\u03c9\u03bd<\/td><\/tr><tr><td>ISO 8295<\/td><td>\u03a3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5\u03bc\u03b2\u03c1\u03b1\u03bd\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c6\u03cd\u03bb\u03bb\u03c9\u03bd<\/td><\/tr><tr><td>ASTM D2534<\/td><td>\u03a3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03c4\u03c9\u03bd \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ce\u03c3\u03b5\u03c9\u03bd \u03ba\u03b5\u03c1\u03b9\u03bf\u03cd<\/td><\/tr><tr><td>TAPPI T549<\/td><td>\u0394\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03b3\u03b9\u03b1 \u03c7\u03b1\u03c1\u03c4\u03af \u03ba\u03b1\u03b9 \u03c7\u03b1\u03c1\u03c4\u03cc\u03bd\u03b9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0397 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf\u03c5 \u03c0\u03c1\u03bf\u03c4\u03cd\u03c0\u03bf\u03c5 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03b1\u03bd\u03c4\u03b1\u03c0\u03bf\u03ba\u03c1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03b4\u03b9\u03b1\u03b3\u03c1\u03b1\u03c6\u03ad\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03c0\u03b5\u03bb\u03b1\u03c4\u03ce\u03bd.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u03a3\u03c5\u03bc\u03c0\u03ad\u03c1\u03b1\u03c3\u03bc\u03b1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0397 \u03c4\u03c1\u03b9\u03b2\u03ae \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1\u03c2, \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03bf\u03c2. <a href=\"https:\/\/store.astm.org\/d1894-24.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D1894<\/a> \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c4\u03c5\u03c0\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2 \u03c4\u03cc\u03c3\u03bf \u03c4\u03c9\u03bd \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03c4\u03b7\u03c2 \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2, \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c0\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1\u03c2, \u03bd\u03b1 \u03b1\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03bf\u03cd\u03bd \u03c4\u03b9\u03c2 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c3\u03c4\u03b1 \u03c5\u03bb\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1\u03c2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0395\u03af\u03c4\u03b5 \u03c0\u03c1\u03cc\u03ba\u03b5\u03b9\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 <strong>\u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2<\/strong>, \u03b1\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf <strong>\u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03c7\u03b1\u03c1\u03c4\u03b9\u03bf\u03cd<\/strong>, \u03ae \u03c4\u03b7 \u03b4\u03b9\u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae \u03c4\u03b1\u03ba\u03c4\u03b9\u03ba\u03ce\u03bd <strong>\u0394\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 COF \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03b9\u03ce\u03bd<\/strong>, \u03bf \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03bf\u03c2 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03c4\u03c5\u03c0\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03bf\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03c4\u03b5\u03c5\u03be\u03b7 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd. \u039c\u03b9\u03b1 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 <strong>\u039c\u03b7\u03c7\u03b1\u03bd\u03ae \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd COF<\/strong>, \u03c3\u03b5 \u03c3\u03c5\u03bd\u03b4\u03c5\u03b1\u03c3\u03bc\u03cc \u03bc\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7 \u03c0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03b1\u03c3\u03af\u03b1 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b9\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b5\u03bb\u03b5\u03b3\u03c7\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03b1\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2, \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2 \u03bd\u03b1 \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd \u03c4\u03b5\u03ba\u03bc\u03b7\u03c1\u03b9\u03c9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1, \u03bd\u03b1 \u03bc\u03b5\u03b9\u03ce\u03bd\u03bf\u03c5\u03bd \u03c4\u03b7 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03bd\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03b9\u03ce\u03bd \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b5\u03c5\u03c1\u03cd \u03c6\u03ac\u03c3\u03bc\u03b1 \u03b2\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ce\u03bd.<\/p>","protected":false},"excerpt":{"rendered":"<p>Plastic films play a critical role in modern packaging, from food pouches and pharmaceutical sachets to industrial liners and consumer product wrapping. One of the most important surface characteristics influencing package performance is the ASTM D1894 coefficient of friction (COF). An improper friction level can lead to production downtime, poor machinability, unstable pallet loads, or [&hellip;]<\/p>","protected":false},"featured_media":1426,"parent":0,"template":"","meta":{"_acf_changed":false},"standard-category":[],"class_list":["post-1425","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packtests.com\/el\/wp-json\/wp\/v2\/standard\/1425","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packtests.com\/el\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packtests.com\/el\/wp-json\/wp\/v2\/types\/standard"}],"version-history":[{"count":5,"href":"https:\/\/www.packtests.com\/el\/wp-json\/wp\/v2\/standard\/1425\/revisions"}],"predecessor-version":[{"id":1590,"href":"https:\/\/www.packtests.com\/el\/wp-json\/wp\/v2\/standard\/1425\/revisions\/1590"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packtests.com\/el\/wp-json\/wp\/v2\/media\/1426"}],"wp:attachment":[{"href":"https:\/\/www.packtests.com\/el\/wp-json\/wp\/v2\/media?parent=1425"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packtests.com\/el\/wp-json\/wp\/v2\/standard-category?post=1425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}