{"id":1440,"date":"2026-07-23T07:24:13","date_gmt":"2026-07-23T07:24:13","guid":{"rendered":"https:\/\/www.packtests.com\/?post_type=standard&#038;p=1440"},"modified":"2026-07-23T07:24:53","modified_gmt":"2026-07-23T07:24:53","slug":"astm-d1922","status":"publish","type":"standard","link":"https:\/\/www.packtests.com\/vi\/standard\/astm-d1922\/","title":{"rendered":"ASTM D1922"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>ASTM D1922<\/strong> l\u00e0 m\u1ed9t trong nh\u1eefng ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 <strong>\u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng nh\u1ef1a<\/strong> v\u00e0 m\u00e0ng nh\u1ef1a m\u1ecfng. Trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 bao b\u00ec d\u1ebbo, bao b\u00ec y t\u1ebf, bao b\u00ec th\u1ef1c ph\u1ea9m, n\u00f4ng nghi\u1ec7p v\u00e0 m\u00e0ng c\u00f4ng nghi\u1ec7p, kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch l\u00e0 m\u1ed9t t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc quan tr\u1ecdng, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n c\u1ee7a s\u1ea3n ph\u1ea9m, hi\u1ec7u su\u1ea5t x\u1eed l\u00fd v\u00e0 \u0111\u1ed9 tin c\u1eady trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1i <strong>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o Elmendorf<\/strong> cung c\u1ea5p m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p nhanh ch\u00f3ng, c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i v\u00e0 \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n h\u00f3a \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m lan r\u1ed9ng v\u1ebft r\u00e1ch hi\u1ec7n c\u00f3 tr\u00ean m\u1eabu th\u1eed. Kh\u00e1c v\u1edbi th\u1eed nghi\u1ec7m k\u00e9o, v\u1ed1n \u0111o l\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng k\u00e9o gi\u00e3n cho \u0111\u1ebfn khi \u0111\u1ee9t, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y <strong>Ph\u01b0\u01a1ng ph\u00e1p Elmendorf<\/strong> t\u1eadp trung v\u00e0o qu\u00e1 tr\u00ecnh lan truy\u1ec1n v\u1ebft r\u00e1ch sau khi th\u1ef1c hi\u1ec7n m\u1ed9t v\u1ebft c\u1eaft ban \u0111\u1ea7u c\u00f3 ki\u1ec3m so\u00e1t. \u0110i\u1ec1u n\u00e0y khi\u1ebfn ti\u00eau chu\u1ea9n ASTM D1922 tr\u1edf n\u00ean \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong c\u00f4ng t\u00e1c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, ph\u00e1t tri\u1ec3n v\u1eadt li\u1ec7u v\u00e0 so s\u00e1nh s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00f9 l\u00e0 trong vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00e0ng bao b\u00ec, ki\u1ec3m \u0111\u1ecbnh t\u00ednh nh\u1ea5t qu\u00e1n trong s\u1ea3n xu\u1ea5t hay so s\u00e1nh c\u00e1c c\u00f4ng th\u1ee9c nh\u1ef1a, ti\u00eau chu\u1ea9n ASTM D1922 mang \u0111\u1ebfn cho c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c ti\u1ec5n v\u00e0 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn tr\u00ean to\u00e0n c\u1ea7u \u0111\u1ec3 \u0111o l\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ti\u00eau chu\u1ea9n ASTM D1922 l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D1922<\/strong> l\u00e0 Ph\u01b0\u01a1ng ph\u00e1p th\u1eed ti\u00eau chu\u1ea9n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch khi lan truy\u1ec1n c\u1ee7a m\u00e0ng nh\u1ef1a v\u00e0 t\u1ea5m nh\u1ef1a m\u1ecfng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p con l\u1eafc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n n\u00e0y \u0111o l\u01b0\u1eddng l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 con l\u1eafc ti\u1ebfp t\u1ee5c x\u00e9 r\u00e1ch m\u1eabu th\u1eed sau khi v\u1ebft r\u00e1ch ban \u0111\u1ea7u \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o ra. S\u1ef1 m\u1ea5t m\u00e1t n\u0103ng l\u01b0\u1ee3ng ti\u1ec1m n\u0103ng trong qu\u00e1 tr\u00ecnh con l\u1eafc dao \u0111\u1ed9ng \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh c\u00e1c gi\u00e1 tr\u1ecb \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch, gi\u00fap c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m so s\u00e1nh c\u00e1c v\u1eadt li\u1ec7u trong \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m nh\u1ea5t qu\u00e1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00e3 tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n ng\u00e0nh v\u00ec n\u00f3 mang l\u1ea1i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ed9 l\u1eb7p l\u1ea1i tuy\u1ec7t v\u1eddi<\/li>\n\n\n\n<li>C\u00e1c chu k\u1ef3 ki\u1ec3m th\u1eed nhanh<\/li>\n\n\n\n<li>\u1ea2nh h\u01b0\u1edfng t\u1ed1i thi\u1ec3u c\u1ee7a nh\u00e0 khai th\u00e1c<\/li>\n\n\n\n<li>So s\u00e1nh \u0111\u00e1ng tin c\u1eady gi\u1eefa c\u00e1c v\u1eadt li\u1ec7u<\/li>\n\n\n\n<li>Gi\u1ea3i th\u00edch \u0111\u01a1n gi\u1ea3n v\u1ec1 k\u1ebft qu\u1ea3<\/li>\n<\/ul>\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-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-tear-testing.webp\" alt=\"M\u00e1y th\u1eed \u0111\u1ed9 r\u00e1ch ASTM D1922 COF-01 Elemendorf\" class=\"wp-image-1442\" style=\"width:273px;height:auto\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-tear-testing.webp 600w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-tear-testing-300x300.webp 300w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-tear-testing-150x150.webp 150w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-tear-testing-12x12.webp 12w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec s\u1ef1 lan truy\u1ec1n v\u1ebft r\u00e1ch th\u01b0\u1eddng quy\u1ebft \u0111\u1ecbnh li\u1ec7u bao b\u00ec c\u00f3 ch\u1ecbu \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh x\u1eed l\u00fd hay b\u1ecb h\u1ecfng trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n hay kh\u00f4ng, n\u00ean ti\u00eau chu\u1ea9n ASTM D1922 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng bao b\u00ec.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a m\u00e0ng nh\u1ef1a l\u1ea1i quan tr\u1ecdng?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1i <strong>\u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng nh\u1ef1a<\/strong> \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a s\u1ea3n ph\u1ea9m trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, v\u1eadn chuy\u1ec3n, l\u01b0u kho v\u00e0 khi ng\u01b0\u1eddi ti\u00eau d\u00f9ng s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 bao g\u1ed3m:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u1ee8ng d\u1ee5ng<\/th><th>T\u1ea1i sao kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch l\u1ea1i quan tr\u1ecdng?<\/th><\/tr><\/thead><tbody><tr><td>Bao b\u00ec th\u1ef1c ph\u1ea9m<\/td><td>Ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng bao b\u00ec b\u1ecb r\u00e1ch do tai n\u1ea1n trong qu\u00e1 tr\u00ecnh \u0111\u00f3ng g\u00f3i v\u00e0 v\u1eadn chuy\u1ec3n<\/td><\/tr><tr><td>Bao b\u00ec y t\u1ebf<\/td><td>Gi\u1eef nguy\u00ean t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a l\u1edbp c\u00e1ch ly v\u00f4 tr\u00f9ng cho \u0111\u1ebfn khi m\u1edf bao b\u00ec<\/td><\/tr><tr><td>Phim c\u00f4ng nghi\u1ec7p<\/td><td>Ch\u1ed1ng r\u00e1ch trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t v\u00e0 khi v\u1eadn chuy\u1ec3n trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t<\/td><\/tr><tr><td>M\u00e0ng ph\u1ee7 n\u00f4ng nghi\u1ec7p<\/td><td>Ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c t\u00e1c \u0111\u1ed9ng t\u1eeb m\u00f4i tr\u01b0\u1eddng v\u00e0 t\u1ea3i tr\u1ecdng c\u01a1 h\u1ecdc<\/td><\/tr><tr><td>M\u00e0ng co gi\u00e3n v\u00e0 m\u00e0ng co<\/td><td>Gi\u1ea3m thi\u1ec3u h\u01b0 h\u1ecfng trong qu\u00e1 tr\u00ecnh qu\u1ea5n m\u00e0ng b\u1ecdc pallet<\/td><\/tr><tr><td>Bao b\u00ec ti\u00eau d\u00f9ng<\/td><td>Cho ph\u00e9p m\u1edf m\u1ed9t c\u00e1ch c\u00f3 ki\u1ec3m so\u00e1t m\u00e0 kh\u00f4ng g\u00e2y r\u00e1ch nghi\u00eam tr\u1ecdng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch k\u00e9m c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u01b0 h\u1ecfng s\u1ea3n ph\u1ea9m<\/li>\n\n\n\n<li>R\u00f2 r\u1ec9 bao b\u00ec<\/li>\n\n\n\n<li>L\u01b0\u1ee3ng r\u00e1c th\u1ea3i gia t\u0103ng<\/li>\n\n\n\n<li>Khi\u1ebfu n\u1ea1i c\u1ee7a kh\u00e1ch h\u00e0ng<\/li>\n\n\n\n<li>Chi ph\u00ed s\u1ea3n xu\u1ea5t cao h\u01a1n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n ASTM D1922 gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ed1i \u01b0u h\u00f3a v\u1eadt li\u1ec7u tr\u01b0\u1edbc khi c\u00e1c s\u1ef1 c\u1ed1 n\u00e0y x\u1ea3y ra.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Hi\u1ec3u v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 b\u1ec1n x\u00e9 Elmendorf<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1i <strong>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o Elmendorf<\/strong> ban \u0111\u1ea7u \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Armin Elmendorf v\u00e0 v\u1eabn l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1ng tin c\u1eady nh\u1ea5t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 s\u1ef1 lan truy\u1ec1n v\u1ebft r\u00e1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thay v\u00ec \u0111o l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o ra m\u1ed9t v\u1ebft r\u00e1ch m\u1edbi, th\u1eed nghi\u1ec7m n\u00e0y \u0111o n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec m\u1ed9t v\u1ebft r\u00e1ch \u0111\u00e3 c\u00f3 s\u1eb5n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n r\u1ea5t \u0111\u01a1n gi\u1ea3n:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>M\u1eabu \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb v\u1edbi m\u1ed9t khe h\u1edf theo ti\u00eau chu\u1ea9n.<\/li>\n\n\n\n<li>M\u1eabu \u0111\u00e3 \u0111\u01b0\u1ee3c k\u1eb9p ch\u1eb7t.<\/li>\n\n\n\n<li>M\u1ed9t con l\u1eafc \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u01b0\u1ee3c th\u1ea3 xu\u1ed1ng.<\/li>\n\n\n\n<li>Con l\u1eafc x\u00e9 n\u00e1t m\u1eabu v\u1eadt c\u00f2n l\u1ea1i.<\/li>\n\n\n\n<li>S\u1ef1 m\u1ea5t n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a th\u00e0nh kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Do chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a con l\u1eafc \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, n\u00ean <strong>Ph\u01b0\u01a1ng ph\u00e1p Elmendorf<\/strong> mang l\u1ea1i k\u1ebft qu\u1ea3 c\u00f3 \u0111\u1ed9 l\u1eb7p l\u1ea1i cao, ph\u00f9 h\u1ee3p cho c\u00f4ng t\u00e1c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng trong ph\u00f2ng th\u00ed nghi\u1ec7m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quy tr\u00ecnh th\u1eed nghi\u1ec7m theo ti\u00eau chu\u1ea9n ASTM D1922<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh <strong>ASTM D1922<\/strong> Qu\u00e1 tr\u00ecnh ki\u1ec3m tra tu\u00e2n theo m\u1ed9t s\u1ed1 b\u01b0\u1edbc ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Chu\u1ea9n b\u1ecb m\u1eabu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u1eabu th\u1eed h\u00ecnh ch\u1eef nh\u1eadt \u0111\u01b0\u1ee3c c\u1eaft theo k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t con dao c\u1eaft ch\u00ednh x\u00e1c t\u1ea1o ra m\u1ed9t v\u1ebft r\u1ea1ch k\u1ebft th\u00fac t\u1ea1i kho\u1ea3ng <strong>C\u00e1ch m\u00e9p \u0111\u1ed1i di\u1ec7n 43 mm<\/strong>, \u0111\u1ea3m b\u1ea3o m\u1ed7i m\u1eabu \u0111\u1ec1u \u0111\u01b0\u1ee3c c\u1eaft t\u1eeb c\u00f9ng m\u1ed9t v\u1ebft r\u00e1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c chu\u1ea9n b\u1ecb m\u1eabu \u0111\u00fang c\u00e1ch l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng v\u00ec h\u00ecnh d\u1ea1ng khe h\u1edf kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn k\u1ebft qu\u1ea3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">K\u1eb9p m\u1eabu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eabu \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn gi\u1eefa hai k\u1eb9p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c1p su\u1ea5t k\u1eb9p \u0111\u1ed3ng \u0111\u1ec1u gi\u00fap ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng tr\u01b0\u1ee3t trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m v\u00e0 n\u00e2ng cao \u0111\u1ed9 l\u1eb7p l\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7n \u0111\u1ea1i <strong>m\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch<\/strong> C\u00e1c h\u1ec7 th\u1ed1ng th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf k\u1eb9p kh\u00ed n\u00e9n \u0111\u1ec3 gi\u1ea3m thi\u1ec3u s\u1ef1 sai l\u1ec7ch do ng\u01b0\u1eddi v\u1eadn h\u00e0nh g\u00e2y ra.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u00e1t h\u00e0nh Pendulum<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Con l\u1eafc \u0111\u01b0\u1ee3c th\u1ea3 t\u1ef1 \u0111\u1ed9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi dao \u0111\u1ed9ng qua m\u1eabu v\u1eadt, n\u00f3 l\u00e0m lan r\u1ed9ng v\u1ebft r\u00e1ch \u0111\u1ed3ng th\u1eddi m\u1ea5t \u0111i m\u1ed9t ph\u1ea7n n\u0103ng l\u01b0\u1ee3ng ti\u1ec1m n\u0103ng c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng n\u00e0y c\u00f3 m\u1ed1i t\u01b0\u01a1ng quan tr\u1ef1c ti\u1ebfp v\u1edbi \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00ednh to\u00e1n k\u1ebft qu\u1ea3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Thi\u1ebft b\u1ecb n\u00e0y t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111o \u0111\u01b0\u1ee3c th\u00e0nh c\u00e1c gi\u00e1 tr\u1ecb \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea7u h\u1ebft c\u00e1c chuy\u00ean vi\u00ean ki\u1ec3m th\u1eed hi\u1ec7n \u0111\u1ea1i \u0111\u1ec1u t\u00ednh to\u00e1n nh\u01b0 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>K\u1ebft qu\u1ea3 x\u00e9t nghi\u1ec7m c\u00e1 nh\u00e2n<\/li>\n\n\n\n<li>\u0110\u1ed9 b\u1ec1n k\u00e9o trung b\u00ecnh<\/li>\n\n\n\n<li>Ph\u00e2n t\u00edch th\u1ed1ng k\u00ea<\/li>\n\n\n\n<li>\u0110\u1ed9 l\u1ec7ch chu\u1ea9n<\/li>\n\n\n\n<li>Chuy\u1ec3n \u0111\u1ed5i \u0111\u01a1n v\u1ecb nhi\u1ec1u l\u1ea7n khi c\u1ea7n thi\u1ebft<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c t\u00ednh to\u00e1n t\u1ef1 \u0111\u1ed9ng gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c sai s\u00f3t do th\u1ef1c hi\u1ec7n th\u1ee7 c\u00f4ng v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ph\u00f2ng th\u00ed nghi\u1ec7m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ti\u00eau chu\u1ea9n ASTM D1922 c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 nh\u1eefng lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0o?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n ASTM D1922 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u d\u1ebbo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c v\u1eadt li\u1ec7u \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Polyethylene (PE)<\/li>\n\n\n\n<li>Polypropylene (PP)<\/li>\n\n\n\n<li>M\u00e0ng PET<\/li>\n\n\n\n<li>M\u00e0ng PVC<\/li>\n\n\n\n<li>M\u00e0ng ch\u1eafn<\/li>\n\n\n\n<li>M\u00e0ng nhi\u1ec1u l\u1edbp<\/li>\n\n\n\n<li>M\u00e0ng kim lo\u1ea1i h\u00f3a<\/li>\n\n\n\n<li>Bao b\u00ec composite linh ho\u1ea1t<\/li>\n\n\n\n<li>T\u1ea5m b\u1ea1t nh\u1ef1a<\/li>\n\n\n\n<li>M\u00e0ng m\u1ecfng d\u00f9ng trong c\u00f4ng nghi\u1ec7p<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh cho m\u00e0ng nh\u1ef1a, c\u00e1c nguy\u00ean l\u00fd th\u1eed nghi\u1ec7m r\u00e1ch b\u1eb1ng con l\u1eafc t\u01b0\u01a1ng t\u1ef1 c\u0169ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho gi\u1ea5y, v\u1eadt li\u1ec7u kh\u00f4ng d\u1ec7t v\u00e0 v\u1ea3i theo c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf kh\u00e1c nhau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb ti\u00eau chu\u1ea9n ASTM D1922<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p ph\u1ee5 thu\u1ed9c v\u00e0o d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t bao b\u00ec m\u1ec1m<\/li>\n\n\n\n<li>C\u00e1c c\u00f4ng ty s\u1ea3n xu\u1ea5t bao b\u00ec thi\u1ebft b\u1ecb y t\u1ebf<\/li>\n\n\n\n<li>C\u00e1c nh\u00e0 cung c\u1ea5p bao b\u00ec d\u01b0\u1ee3c ph\u1ea9m<\/li>\n\n\n\n<li>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t bao b\u00ec th\u1ef1c ph\u1ea9m<\/li>\n\n\n\n<li>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e0ng nh\u1ef1a<\/li>\n\n\n\n<li>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e0ng ph\u1ee7 n\u00f4ng nghi\u1ec7p<\/li>\n\n\n\n<li>M\u00e1y x\u1eed l\u00fd phim c\u00f4ng nghi\u1ec7p<\/li>\n\n\n\n<li>C\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m nghi\u00ean c\u1ee9u<\/li>\n\n\n\n<li>C\u00e1c tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc<\/li>\n\n\n\n<li>C\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m ki\u1ec3m \u0111\u1ecbnh c\u1ee7a b\u00ean th\u1ee9 ba<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c t\u1ed5 ch\u1ee9c n\u00e0y, ti\u00eau chu\u1ea9n ASTM D1922 h\u1ed7 tr\u1ee3 c\u1ea3 vi\u1ec7c ki\u1ec3m tra nguy\u00ean v\u1eadt li\u1ec7u \u0111\u1ea7u v\u00e0o v\u00e0 x\u00e1c nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n x\u00e9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o \u0111\u01b0\u1ee3c <strong>\u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng nh\u1ef1a<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong s\u1ed1 \u0111\u00f3 c\u00f3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ed9 d\u00e0y m\u00e0ng<\/li>\n\n\n\n<li>H\u01b0\u1edbng ph\u00e2n t\u1eed c\u1ee7a polyme<\/li>\n\n\n\n<li>H\u01b0\u1edbng \u00e9p \u0111\u00f9n (MD so v\u1edbi TD)<\/li>\n\n\n\n<li>C\u00f4ng th\u1ee9c nh\u1ef1a<\/li>\n\n\n\n<li>Ch\u1ea5t ph\u1ee5 gia<\/li>\n\n\n\n<li>Nhi\u1ec7t \u0111\u1ed9<\/li>\n\n\n\n<li>\u0110\u1ed9 \u1ea9m<\/li>\n\n\n\n<li>Ch\u1ea5t l\u01b0\u1ee3ng chu\u1ea9n b\u1ecb m\u1eabu<\/li>\n\n\n\n<li>L\u1ef1a ch\u1ecdn c\u00f4ng su\u1ea5t con l\u1eafc<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c duy tr\u00ec c\u00e1c \u0111i\u1ec1u ki\u1ec7n ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 thu \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u c\u00f3 \u00fd ngh\u0129a v\u00e0 c\u00f3 th\u1ec3 t\u00e1i hi\u1ec7n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1922 so v\u1edbi ISO 6383-1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u ph\u00f2ng th\u00ed nghi\u1ec7m qu\u1ed1c t\u1ebf th\u1ef1c hi\u1ec7n c\u1ea3 c\u00e1c th\u1eed nghi\u1ec7m theo ti\u00eau chu\u1ea9n ASTM v\u00e0 ISO.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>T\u00ednh n\u0103ng<\/th><th>ASTM D1922<\/th><th>ISO 6383-1<\/th><\/tr><\/thead><tbody><tr><td>Nguy\u00ean l\u00fd th\u1eed nghi\u1ec7m<\/td><td>V\u1ebft r\u00e1ch do lan truy\u1ec1n ki\u1ec3u con l\u1eafc<\/td><td>V\u1ebft r\u00e1ch do lan truy\u1ec1n ki\u1ec3u con l\u1eafc<\/td><\/tr><tr><td>Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m<\/td><td>Ph\u01b0\u01a1ng ph\u00e1p Elmendorf<\/td><td>Ph\u01b0\u01a1ng ph\u00e1p Elmendorf<\/td><\/tr><tr><td>\u1ee8ng d\u1ee5ng ch\u00ednh<\/td><td>M\u00e0ng nh\u1ef1a v\u00e0 t\u1ea5m nh\u1ef1a m\u1ecfng<\/td><td>M\u00e0ng v\u00e0 t\u1ea5m nh\u1ef1a<\/td><\/tr><tr><td>K\u1ebft qu\u1ea3<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng lan truy\u1ec1n v\u1ebft r\u00e1ch<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng lan truy\u1ec1n v\u1ebft r\u00e1ch<\/td><\/tr><tr><td>S\u1eed d\u1ee5ng qu\u1ed1c t\u1ebf<\/td><td>B\u1eafc M\u1ef9<\/td><td>Th\u1ecb tr\u01b0\u1eddng qu\u1ed1c t\u1ebf<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 hai ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ec1u \u00e1p d\u1ee5ng c\u00e1c nguy\u00ean t\u1eafc th\u1eed nghi\u1ec7m g\u1ea7n nh\u01b0 gi\u1ed1ng h\u1ec7t nhau, gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t to\u00e0n c\u1ea7u d\u1ec5 d\u00e0ng so s\u00e1nh hi\u1ec7u su\u1ea5t s\u1ea3n ph\u1ea9m tr\u00ean c\u00e1c th\u1ecb tr\u01b0\u1eddng kh\u00e1c nhau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1ef1a ch\u1ecdn m\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t <strong><a href=\"https:\/\/www.packtests.com\/vi\/product\/elmendorf-tearing-tester\/\" target=\"_blank\" rel=\"noreferrer noopener\">m\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch<\/a><\/strong> ph\u1ea3i \u0111\u1ea3m b\u1ea3o chuy\u1ec3n \u0111\u1ed9ng ch\u00ednh x\u00e1c c\u1ee7a con l\u1eafc, k\u1eb9p m\u1eabu \u1ed5n \u0111\u1ecbnh v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u t\u1ef1 \u0111\u1ed9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c t\u00ednh n\u0103ng quan tr\u1ecdng bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110i\u1ec1u khi\u1ec3n c\u00f4ng nghi\u1ec7p PLC<\/li>\n\n\n\n<li>Giao di\u1ec7n m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng<\/li>\n\n\n\n<li>Ch\u1ee9c n\u0103ng gi\u1ea3i ph\u00f3ng con l\u1eafc t\u1ef1 \u0111\u1ed9ng<\/li>\n\n\n\n<li>K\u1eb9p m\u1eabu b\u1eb1ng kh\u00ed n\u00e9n<\/li>\n\n\n\n<li>C\u00e1c m\u1ee9c c\u00f4ng su\u1ea5t c\u1ee7a con l\u1eafc \u0111a n\u0103ng<\/li>\n\n\n\n<li>X\u00e1c minh hi\u1ec7u chu\u1ea9n<\/li>\n\n\n\n<li>Ph\u00e2n t\u00edch th\u1ed1ng k\u00ea<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng xu\u1ea5t d\u1eef li\u1ec7u<\/li>\n\n\n\n<li>Ph\u1ea7n m\u1ec1m chuy\u00ean d\u1ee5ng (t\u00f9y ch\u1ecdn)<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c trong ph\u00f2ng th\u00ed nghi\u1ec7m<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c t\u00ednh n\u0103ng n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 nh\u1ea5t qu\u00e1n \u0111\u1ed3ng th\u1eddi gi\u1ea3m thi\u1ec3u s\u1ef1 t\u00e1c \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e1y th\u1eed \u0111\u1ed9 r\u00e1ch Cell Instruments SLD-01<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1i <strong>SLD-01 <a href=\"https:\/\/www.packtests.com\/vi\/product\/elmendorf-tearing-tester\/\" target=\"_blank\" rel=\"noreferrer noopener\">M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch<\/a><\/strong> Ph\u01b0\u01a1ng ph\u00e1p t\u1eeb Cell Instruments \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m x\u00e9 b\u1eb1ng con l\u1eafc theo ti\u00eau chu\u1ea9n, ph\u00f9 h\u1ee3p v\u1edbi <strong>ASTM D1922<\/strong> v\u00e0 <strong>ISO 6383-1<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c kh\u1ea3 n\u0103ng ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng PLC v\u1edbi m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng HMI tr\u1ef1c quan<\/li>\n\n\n\n<li>H\u1ec7 th\u1ed1ng k\u1eb9p m\u1eabu b\u1eb1ng kh\u00ed n\u00e9n nh\u1eb1m n\u00e2ng cao \u0111\u1ed9 l\u1eb7p l\u1ea1i<\/li>\n\n\n\n<li>Ch\u1ee9c n\u0103ng gi\u1ea3i ph\u00f3ng con l\u1eafc t\u1ef1 \u0111\u1ed9ng nh\u1eb1m gi\u1ea3m thi\u1ec3u s\u1ef1 bi\u1ebfn \u0111\u1ed9ng do ng\u01b0\u1eddi v\u1eadn h\u00e0nh g\u00e2y ra<\/li>\n\n\n\n<li>C\u00e1c m\u1ee9c c\u00f4ng su\u1ea5t c\u1ee7a con l\u1eafc \u0111a n\u0103ng: <strong>200, 400, 800, 1600, 3200 v\u00e0 6400 gf<\/strong><\/li>\n\n\n\n<li>Ch\u1ee9c n\u0103ng ki\u1ec3m tra tr\u1ecdng l\u01b0\u1ee3ng chu\u1ea9n t\u00edch h\u1ee3p s\u1eb5n<\/li>\n\n\n\n<li>T\u00ednh to\u00e1n th\u1ed1ng k\u00ea t\u1ef1 \u0111\u1ed9ng<\/li>\n\n\n\n<li>T\u00f9y ch\u1ecdn giao ti\u1ebfp RS-232 v\u00e0 m\u00e1y in si\u00eau nh\u1ecf<\/li>\n\n\n\n<li>Ph\u1ea7n m\u1ec1m chuy\u00ean d\u1ee5ng t\u00f9y ch\u1ecdn d\u00e0nh cho vi\u1ec7c l\u1eadp b\u00e1o c\u00e1o n\u00e2ng cao v\u00e0 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 th\u1ed1ng n\u00e0y ph\u00f9 h\u1ee3p cho c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, c\u00e1c b\u1ed9 ph\u1eadn nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n (R&amp;D), c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t bao b\u00ec, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e0ng v\u00e0 c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m ki\u1ec3m \u0111\u1ecbnh \u0111\u1ed9c l\u1eadp c\u00f3 nhu c\u1ea7u th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p \u0111o \u0111\u1ed9 r\u00e1ch lan truy\u1ec1n \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho th\u1eed nghi\u1ec7m theo ti\u00eau chu\u1ea9n ASTM D1922<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 t\u1ed1i \u01b0u h\u00f3a \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a vi\u1ec7c ki\u1ec3m tra:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chu\u1ea9n b\u1ecb m\u1eabu th\u1eed tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng c\u00e1c d\u1ee5ng c\u1ee5 c\u1eaft s\u1eafc b\u00e9n \u0111\u1ec3 chu\u1ea9n b\u1ecb m\u1eabu.<\/li>\n\n\n\n<li>Ch\u1ecdn c\u00f4ng su\u1ea5t con l\u1eafc ph\u00f9 h\u1ee3p.<\/li>\n\n\n\n<li>Th\u1eed nghi\u1ec7m c\u1ea3 theo h\u01b0\u1edbng d\u1ecdc (MD) v\u00e0 h\u01b0\u1edbng ngang (TD).<\/li>\n\n\n\n<li>Th\u1ef1c hi\u1ec7n \u0111\u1ee7 s\u1ed1 l\u1ea7n l\u1eb7p l\u1ea1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady th\u1ed1ng k\u00ea.<\/li>\n\n\n\n<li>H\u00e3y hi\u1ec7u chu\u1ea9n thi\u1ebft b\u1ecb \u0111\u1ecbnh k\u1ef3.<\/li>\n\n\n\n<li>Duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m \u1ed5n \u0111\u1ecbnh trong ph\u00f2ng th\u00ed nghi\u1ec7m.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c tu\u00e2n th\u1ee7 c\u00e1c quy tr\u00ecnh n\u00e0y gi\u00fap n\u00e2ng cao t\u00ednh l\u1eb7p l\u1ea1i v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ef1 so s\u00e1nh \u0111\u00e1ng tin c\u1eady gi\u1eefa c\u00e1c l\u00f4 s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/store.astm.org\/d1922-23.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D1922<\/a> v\u1eabn l\u00e0 ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng nh\u1ea5t trong ng\u00e0nh \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 <strong>\u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng nh\u1ef1a<\/strong> s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh <strong>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o Elmendorf<\/strong>. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y tuy \u0111\u01a1n gi\u1ea3n nh\u01b0ng l\u1ea1i c\u00f3 \u0111\u1ed9 l\u1eb7p l\u1ea1i r\u1ea5t cao <strong>Ph\u01b0\u01a1ng ph\u00e1p Elmendorf<\/strong> gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c qu\u00e1 tr\u00ecnh lan truy\u1ec1n v\u1ebft r\u00e1ch, so s\u00e1nh hi\u1ec7u su\u1ea5t v\u1eadt li\u1ec7u, t\u1ed1i \u01b0u h\u00f3a thi\u1ebft k\u1ebf s\u1ea3n ph\u1ea9m v\u00e0 t\u0103ng c\u01b0\u1eddng ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebft h\u1ee3p v\u1edbi m\u1ed9t thi\u1ebft k\u1ebf hi\u1ec7n \u0111\u1ea1i <strong>m\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch<\/strong> ch\u1eb3ng h\u1ea1n nh\u01b0 Cell Instruments <strong>M\u00e1y th\u1eed \u0111\u1ed9 r\u00e1ch SLD-01<\/strong>, c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c quy tr\u00ecnh ki\u1ec3m tra hi\u1ec7u qu\u1ea3, d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady v\u00e0 n\u00e2ng cao m\u1ee9c \u0111\u1ed9 tin c\u1eady v\u00e0o hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u trong c\u00e1c \u1ee9ng d\u1ee5ng v\u1ec1 bao b\u00ec, y t\u1ebf, c\u00f4ng nghi\u1ec7p v\u00e0 ti\u00eau d\u00f9ng.<\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM D1922 is one of the most widely adopted standards for evaluating the tear strength of plastic film and thin plastic sheeting. In industries such as flexible packaging, medical packaging, food packaging, agriculture, and industrial films, tear resistance is a critical mechanical property that directly affects product durability, handling performance, and end-use reliability. The Elmendorf [&hellip;]<\/p>","protected":false},"featured_media":1442,"parent":0,"template":"","meta":{"_acf_changed":false},"standard-category":[],"class_list":["post-1440","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/standard\/1440","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/types\/standard"}],"version-history":[{"count":4,"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/standard\/1440\/revisions"}],"predecessor-version":[{"id":1600,"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/standard\/1440\/revisions\/1600"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/media\/1442"}],"wp:attachment":[{"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/media?parent=1440"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/standard-category?post=1440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}