{"id":1444,"date":"2026-07-23T07:28:24","date_gmt":"2026-07-23T07:28:24","guid":{"rendered":"https:\/\/www.packtests.com\/?post_type=standard&#038;p=1444"},"modified":"2026-07-23T07:28:25","modified_gmt":"2026-07-23T07:28:25","slug":"astm-d689","status":"publish","type":"standard","link":"https:\/\/www.packtests.com\/vi\/standard\/astm-d689\/","title":{"rendered":"ASTM D689"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u0110\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng quan tr\u1ecdng trong l\u0129nh v\u1ef1c bao b\u00ec, s\u1ea3n ph\u1ea9m gi\u1ea5y v\u00e0 v\u1eadt li\u1ec7u d\u1ebbo. <strong>ASTM D689<\/strong> l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a gi\u1ea5y v\u00e0 c\u00e1c v\u1eadt li\u1ec7u d\u1ea1ng t\u1ea5m li\u00ean quan b\u1eb1ng c\u00e1ch \u0111o l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m lan r\u1ed9ng v\u1ebft r\u00e1ch \u0111\u00e3 c\u00f3 s\u1eb5n. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y d\u1ef1a tr\u00ean <strong>V\u1ebft r\u00e1ch Elmendorf<\/strong> nguy\u00ean l\u00fd, trong \u0111\u00f3 c\u01a1 ch\u1ebf con l\u1eafc \u0111o m\u1ee9c \u0111\u1ed9 m\u1ea5t n\u0103ng l\u01b0\u1ee3ng khi v\u1ebft r\u00e1ch tr\u00ean m\u1eabu k\u00e9o d\u00e0i trong \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t t\u00fai gi\u1ea5y, th\u00f9ng carton, nh\u00e3n m\u00e1c, gi\u1ea5y g\u00f3i v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m gi\u1ea5y c\u00f4ng nghi\u1ec7p, vi\u1ec7c hi\u1ec3u r\u00f5 v\u1ec1 \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 h\u01b0 h\u1ecfng c\u1ee7a v\u1eadt li\u1ec7u trong qu\u00e1 tr\u00ecnh gia c\u00f4ng, v\u1eadn chuy\u1ec3n v\u00e0 s\u1eed d\u1ee5ng cu\u1ed1i c\u00f9ng. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1ng tin c\u1eady <strong>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch c\u1ee7a t\u00fai gi\u1ea5y<\/strong> C\u00e1c t\u00e0i li\u1ec7u n\u00e0y gi\u00fap c\u00e1c k\u1ef9 s\u01b0 l\u1ef1a ch\u1ecdn nguy\u00ean li\u1ec7u th\u00f4 ph\u00f9 h\u1ee3p, t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m hi\u1ec7n \u0111\u1ea1i s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng nh\u01b0 Cell Instruments <strong>M\u00e1y th\u1eed \u0111\u1ed9 r\u00e1ch SLD-01<\/strong> \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p \u0111o \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch ch\u00ednh x\u00e1c. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p ch\u1ebf \u0111\u1ed9 v\u1eadn h\u00e0nh t\u1ef1 \u0111\u1ed9ng, c\u01a1 ch\u1ebf th\u1ea3 con l\u1eafc \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u s\u1ed1, c\u00e1c h\u1ec7 th\u1ed1ng th\u1eed nghi\u1ec7m ti\u00ean ti\u1ebfn gi\u00fap n\u00e2ng cao \u0111\u1ed9 l\u1eb7p l\u1ea1i v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch theo ti\u00eau chu\u1ea9n ASTM D689 l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D689<\/strong> m\u00f4 t\u1ea3 ph\u01b0\u01a1ng ph\u00e1p th\u1eed x\u00e9 ki\u1ec3u con l\u1eafc \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ed1ng x\u00e9 b\u00ean trong c\u1ee7a gi\u1ea5y v\u00e0 c\u00e1c v\u1eadt li\u1ec7u d\u1ea1ng t\u1ea5m t\u01b0\u01a1ng t\u1ef1. Th\u1eed nghi\u1ec7m n\u00e0y \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng c\u1ee7a m\u1eabu th\u1eed trong vi\u1ec7c ch\u1ed1ng l\u1ea1i vi\u1ec7c v\u1ebft c\u1eaft hi\u1ec7n c\u00f3 ti\u1ebfp t\u1ee5c m\u1edf r\u1ed9ng khi ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c x\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1c v\u1edbi th\u1eed nghi\u1ec7m k\u00e9o \u2014 v\u1ed1n \u0111o l\u01b0\u1eddng l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m \u0111\u1ee9t ho\u00e0n to\u00e0n v\u1eadt li\u1ec7u \u2014 th\u1eed nghi\u1ec7m x\u00e9 t\u1eadp trung v\u00e0o h\u00e0nh vi lan truy\u1ec1n v\u1ebft n\u1ee9t. M\u1ed9t v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o \u0111\u1ee7 cao nh\u01b0ng v\u1eabn th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng x\u00e9 k\u00e9m n\u1ebfu xu\u1ea5t hi\u1ec7n c\u00e1c khuy\u1ebft t\u1eadt, v\u1ebft c\u1eaft ho\u1eb7c \u0111i\u1ec3m t\u1eadp trung \u1ee9ng su\u1ea5t trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/p>\n\n\n\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-sld-elmendorf-tear-tester.webp\" alt=\"ASTM D689 SLD-01\" class=\"wp-image-1446\" style=\"width:267px;height:auto\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-sld-elmendorf-tear-tester.webp 600w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-sld-elmendorf-tear-tester-300x300.webp 300w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-sld-elmendorf-tear-tester-150x150.webp 150w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-sld-elmendorf-tear-tester-12x12.webp 12w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng ph\u00e1p ASTM D689 \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 trong \u0111\u00f3 c\u00e1c s\u1ea3n ph\u1ea9m gi\u1ea5y ph\u1ea3i ch\u1ecbu l\u1ef1c t\u00e1c \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd, bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u00fai gi\u1ea5y \u0111i ch\u1ee3<\/li>\n\n\n\n<li>T\u00fai c\u00f4ng nghi\u1ec7p<\/li>\n\n\n\n<li>Gi\u1ea5y \u0111\u00f3ng g\u00f3i<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i<\/li>\n\n\n\n<li>Nh\u00e3n gi\u1ea5y<\/li>\n\n\n\n<li>C\u00e1c th\u00e0nh ph\u1ea7n bao b\u00ec b\u1eb1ng gi\u1ea5y g\u1ee3n s\u00f3ng<\/li>\n\n\n\n<li>Gi\u1ea5y chuy\u00ean d\u1ee5ng<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1eed nghi\u1ec7m n\u00e0y cung c\u1ea5p d\u1eef li\u1ec7u \u0111\u1ecbnh l\u01b0\u1ee3ng v\u1ec1 \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch, gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t so s\u00e1nh c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u, theo d\u00f5i t\u00ednh nh\u1ea5t qu\u00e1n trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady c\u1ee7a bao b\u00ec.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Hi\u1ec3u v\u1ec1 Nguy\u00ean l\u00fd Elmendorf v\u1ec1 \u0111\u1ed9 r\u00e1ch<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1i <strong>V\u1ebft r\u00e1ch Elmendorf<\/strong> Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n d\u1ef1a tr\u00ean nguy\u00ean l\u00fd do Armin Elmendorf \u0111\u1ec1 xu\u1ea5t v\u00e0o nh\u1eefng n\u0103m 1930. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1edd thi\u1ebft k\u1ebf c\u01a1 kh\u00ed \u0111\u01a1n gi\u1ea3n v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0\u1eddng \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n d\u1ef1a tr\u00ean m\u1ed9t con l\u1eafc c\u00f3 n\u0103ng l\u01b0\u1ee3ng \u0111\u00e3 bi\u1ebft. M\u1eabu th\u1eed \u0111\u00e3 \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb s\u1eb5n \u0111\u01b0\u1ee3c k\u1eb9p ch\u1eb7t gi\u1eefa hai m\u1ecf k\u1eb9p, v\u00e0 tr\u00ean m\u1eabu th\u1eed c\u00f3 m\u1ed9t v\u1ebft r\u1ea1ch \u0111\u01b0\u1ee3c t\u1ea1o s\u1eb5n. Khi con l\u1eafc \u0111\u01b0\u1ee3c th\u1ea3 ra, n\u00f3 s\u1ebd x\u00e9 r\u00e1ch m\u1eabu th\u1eed qua m\u1ed9t kho\u1ea3ng c\u00e1ch x\u00e1c \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong qu\u00e1 tr\u00ecnh r\u00e1ch:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Con l\u1eafc m\u1ea5t n\u0103ng l\u01b0\u1ee3ng ti\u1ec1m n\u0103ng.<\/li>\n\n\n\n<li>M\u1ea5t m\u00e1t n\u0103ng l\u01b0\u1ee3ng t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00f4ng c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m v\u1ebft r\u00e1ch lan r\u1ed9ng.<\/li>\n\n\n\n<li>Thi\u1ebft b\u1ecb n\u00e0y chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng n\u00e0y th\u00e0nh gi\u00e1 tr\u1ecb \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebft qu\u1ea3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n d\u01b0\u1edbi d\u1ea1ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>mN (millinewton)<\/li>\n\n\n\n<li>gf (gam-l\u1ef1c)<\/li>\n\n\n\n<li>Ch\u1ec9 s\u1ed1 r\u00e1ch (d\u00e0nh cho c\u00e1c \u1ee9ng d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p gi\u1ea5y)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u00e1 tr\u1ecb \u0111\u1ed9 b\u1ec1n x\u00e9 c\u00e0ng cao th\u00ec v\u1eadt li\u1ec7u c\u00e0ng c\u1ea7n nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n \u0111\u1ec3 ti\u1ebfp t\u1ee5c b\u1ecb r\u00e1ch, \u0111i\u1ec1u n\u00e0y th\u01b0\u1eddng th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i h\u01b0 h\u1ecfng c\u01a1 h\u1ecdc t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao c\u1ea7n th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u l\u00e0m t\u00fai gi\u1ea5y?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00fai gi\u1ea5y ph\u1ea3i ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec1u l\u1ef1c kh\u00e1c nhau trong qu\u00e1 tr\u00ecnh \u0111\u00f3ng g\u00f3i, v\u1eadn chuy\u1ec3n, x\u1ebfp ch\u1ed3ng v\u00e0 khi ng\u01b0\u1eddi ti\u00eau d\u00f9ng s\u1eed d\u1ee5ng. Kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch k\u00e9m c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng h\u1ecfng \u0111\u1ed9t ng\u1ed9t ngay c\u1ea3 khi \u0111\u1ed9 b\u1ec1n t\u1ed5ng th\u1ec3 c\u1ee7a gi\u1ea5y c\u00f3 v\u1ebb \u0111\u1ea1t y\u00eau c\u1ea7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch c\u1ee7a t\u00fai gi\u1ea5y<\/strong> C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e1nh gi\u00e1:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c lo\u1ea1i gi\u1ea5y kh\u00e1c nhau c\u00f3 c\u1ea5u tr\u00fac s\u1ee3i, tr\u1ecdng l\u01b0\u1ee3ng c\u01a1 b\u1ea3n, l\u1edbp ph\u1ee7 v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t kh\u00e1c nhau. Th\u1eed nghi\u1ec7m \u0111\u1ed9 r\u00e1ch cho ph\u00e9p c\u00e1c k\u1ef9 s\u01b0 so s\u00e1nh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gi\u1ea5y Kraft<\/li>\n\n\n\n<li>Gi\u1ea5y t\u00e1i ch\u1ebf<\/li>\n\n\n\n<li>Gi\u1ea5y tr\u00e1ng<\/li>\n\n\n\n<li>C\u1ea5u tr\u00fac gi\u1ea5y nhi\u1ec1u l\u1edbp<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">v\u00e0 l\u1ef1a ch\u1ecdn c\u00e1c v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 tin c\u1eady c\u1ee7a bao b\u00ec<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00fai gi\u1ea5y ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u1ea3i tr\u1ecdng<\/li>\n\n\n\n<li>X\u1eed l\u00fd c\u00e1c t\u00e1c \u0111\u1ed9ng<\/li>\n\n\n\n<li>H\u01b0 h\u1ecfng m\u00e9p<\/li>\n\n\n\n<li>\u00c1p l\u1ef1c g\u1ea5p<\/li>\n\n\n\n<li>Nh\u1eefng thay \u0111\u1ed5i v\u1ec1 m\u00f4i tr\u01b0\u1eddng<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1eef li\u1ec7u v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n c\u1ee7a bao b\u00ec.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng thay \u0111\u1ed5i trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Th\u00e0nh ph\u1ea7n s\u1ee3i<\/li>\n\n\n\n<li>M\u1ee9c \u0111\u1ed9 tinh ch\u1ebf<\/li>\n\n\n\n<li>Ch\u1ea5t ph\u1ee5 gia<\/li>\n\n\n\n<li>C\u00f4ng th\u1ee9c s\u01a1n ph\u1ee7<\/li>\n\n\n\n<li>\u0110i\u1ec1u ki\u1ec7n s\u1ea5y kh\u00f4<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e0ng n\u01b0\u1edbc m\u1eaft. Vi\u1ec7c ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nguy\u00ean l\u00fd v\u00e0 quy tr\u00ecnh th\u1eed nghi\u1ec7m theo ti\u00eau chu\u1ea9n ASTM D689<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n x\u00e9 theo ti\u00eau chu\u1ea9n ASTM D689 \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m m\u1ed9t s\u1ed1 b\u01b0\u1edbc \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Chu\u1ea9n b\u1ecb m\u1eabu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eabu gi\u1ea5y \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb theo k\u00edch th\u01b0\u1edbc quy \u0111\u1ecbnh. M\u1ed9t v\u1ebft c\u1eaft ban \u0111\u1ea7u theo ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean m\u1eabu \u0111\u1ec3 t\u1ea1o \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u cho s\u1ef1 lan truy\u1ec1n 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 nh\u1eefng bi\u1ebfn \u0111\u1ed9ng trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ed9 ch\u00ednh x\u00e1c khi c\u1eaft<\/li>\n\n\n\n<li>K\u00edch th\u01b0\u1edbc m\u1eabu<\/li>\n\n\n\n<li>\u0110i\u1ec1u ki\u1ec7n \u0111i\u1ec1u h\u00f2a<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 x\u00e9t nghi\u1ec7m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. K\u1eb9p m\u1eabu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eabu \u0111\u00e3 \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb \u0111\u01b0\u1ee3c k\u1eb9p ch\u1eafc ch\u1eafn gi\u1eefa c\u00e1c k\u1eb9p c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c1p su\u1ea5t k\u1eb9p \u0111\u1ed3ng \u0111\u1ec1u l\u00e0 r\u1ea5t quan tr\u1ecdng v\u00ec vi\u1ec7c k\u1eb9p kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u c\u00f3 th\u1ec3 g\u00e2y ra sai s\u1ed1 trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. C\u01a1 ch\u1ebf gi\u1ea3i ph\u00f3ng con l\u1eafc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Con l\u1eafc \u0111\u01b0\u1ee3c th\u1ea3 ra t\u1eeb m\u1ed9t v\u1ecb tr\u00ed kh\u1edfi \u0111\u1ea7u \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. Khi con l\u1eafc dao \u0111\u1ed9ng xu\u1ed1ng d\u01b0\u1edbi, n\u00f3 l\u00e0m lan r\u1ed9ng v\u1ebft r\u00e1ch hi\u1ec7n c\u00f3 d\u1ecdc theo m\u1eabu th\u1eed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c h\u1ec7 th\u1ed1ng gi\u1ea3i ph\u00f3ng t\u1ef1 \u0111\u1ed9ng gi\u00fap lo\u1ea1i b\u1ecf t\u00e1c \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh v\u00e0 n\u00e2ng cao \u0111\u1ed9 l\u1eb7p l\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u0110o l\u01b0\u1eddng n\u0103ng l\u01b0\u1ee3ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y th\u1eed nghi\u1ec7m \u0111o l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5 trong qu\u00e1 tr\u00ecnh x\u00e9. L\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng ti\u00eau hao n\u00e0y \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh m\u1ed9t gi\u00e1 tr\u1ecb s\u1ed1 th\u1ec3 hi\u1ec7n \u0111\u1ed9 b\u1ec1n ch\u1ed1ng x\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. X\u1eed l\u00fd d\u1eef li\u1ec7u<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u00f4ng th\u01b0\u1eddng, ng\u01b0\u1eddi ta ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m tr\u00ean nhi\u1ec1u m\u1eabu \u0111\u1ec3 thu \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 \u0111\u00e1ng tin c\u1eady v\u1ec1 m\u1eb7t th\u1ed1ng k\u00ea.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thi\u1ebft b\u1ecb ki\u1ec3m tra hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng t\u00ednh to\u00e1n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch trung b\u00ecnh<\/li>\n\n\n\n<li>Gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t v\u00e0 nh\u1ecf nh\u1ea5t<\/li>\n\n\n\n<li>\u0110\u1ed9 l\u1ec7ch chu\u1ea9n<\/li>\n\n\n\n<li>K\u1ebft qu\u1ea3 thi \u0111\u1ea1t\/kh\u00f4ng \u0111\u1ea1t<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c th\u00f4ng s\u1ed1 th\u1eed nghi\u1ec7m theo ti\u00eau chu\u1ea9n ASTM D689 v\u00e0 c\u00e1ch gi\u1ea3i th\u00edch k\u1ebft qu\u1ea3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c ki\u1ec3m so\u00e1t m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 quan tr\u1ecdng.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Tham s\u1ed1 th\u1eed nghi\u1ec7m<\/th><th>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3<\/th><\/tr><\/thead><tbody><tr><td>X\u1eed l\u00fd m\u1eabu<\/td><td>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn h\u00e0m l\u01b0\u1ee3ng \u0111\u1ed9 \u1ea9m v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a s\u1ee3i<\/td><\/tr><tr><td>K\u00edch th\u01b0\u1edbc m\u1eabu<\/td><td>\u0110\u1ea3m b\u1ea3o s\u1ef1 lan truy\u1ec1n v\u1ebft r\u00e1ch di\u1ec5n ra \u0111\u1ed3ng \u0111\u1ec1u<\/td><\/tr><tr><td>Ch\u1ea5t l\u01b0\u1ee3ng c\u1eaft<\/td><td>X\u00e1c \u0111\u1ecbnh \u0111\u1ed9 ch\u00ednh x\u00e1c khi x\u00e9 ban \u0111\u1ea7u<\/td><\/tr><tr><td>C\u00f4ng su\u1ea5t con l\u1eafc<\/td><td>Ph\u1ea3i n\u1eb1m trong ph\u1ea1m vi l\u1ef1c x\u00e9 d\u1ef1 ki\u1ebfn<\/td><\/tr><tr><td>\u00c1p su\u1ea5t k\u1eb9p<\/td><td>Ng\u0103n kh\u00f4ng cho m\u1eabu b\u1ecb tr\u01b0\u1ee3t<\/td><\/tr><tr><td>M\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m<\/td><td>Gi\u1ea3m \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u00e1 tr\u1ecb \u0111\u1ed9 b\u1ec1n x\u00e9 c\u00e0ng cao th\u00ec th\u01b0\u1eddng cho th\u1ea5y kh\u1ea3 n\u0103ng ch\u1ed1ng h\u01b0 h\u1ecfng c\u00e0ng t\u1ed1t. Tuy nhi\u00ean, c\u00e1c gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn ph\u1ee5 thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gi\u1ea5y \u0111\u00f3ng g\u00f3i nh\u1eb9 c\u00f3 th\u1ec3 c\u1ea7n c\u00f3 \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch \u1edf m\u1ee9c v\u1eeba ph\u1ea3i \u0111\u1ec3 d\u1ec5 m\u1edf.<\/li>\n\n\n\n<li>T\u00fai gi\u1ea5y ch\u1ecbu t\u1ea3i n\u1eb7ng c\u1ea7n c\u00f3 \u0111\u1ed9 b\u1ec1n x\u00e9 cao \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c t\u1ea3i.<\/li>\n\n\n\n<li>C\u00e1c lo\u1ea1i gi\u1ea5y chuy\u00ean d\u1ee5ng c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i c\u00f3 \u0111\u1ed9 b\u1ec1n x\u00e9 v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o c\u00e2n b\u1eb1ng.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">So s\u00e1nh ti\u00eau chu\u1ea9n ASTM D689 v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m \u0111\u1ed9 r\u00e1ch kh\u00e1c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 \u1ee9ng d\u1ee5ng, c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau s\u1ebd \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch kh\u00e1c nhau.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ti\u00eau chu\u1ea9n<\/th><th>\u1ee8ng d\u1ee5ng ch\u00ednh<\/th><th>Nguy\u00ean l\u00fd th\u1eed nghi\u1ec7m<\/th><\/tr><\/thead><tbody><tr><td>ASTM D689<\/td><td>Gi\u1ea5y v\u00e0 b\u00eca c\u1ee9ng<\/td><td>\u0110\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch theo ph\u01b0\u01a1ng ph\u00e1p con l\u1eafc<\/td><\/tr><tr><td>ASTM D1922<\/td><td>M\u00e0ng nh\u1ef1a v\u00e0 t\u1ea5m m\u1ecfng<\/td><td>S\u1ef1 lan truy\u1ec1n v\u1ebft r\u00e1ch Elmendorf<\/td><\/tr><tr><td>ISO 6383-1<\/td><td>M\u00e0ng nh\u1ef1a<\/td><td>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 r\u00e1ch li\u00ean quan \u0111\u1ebfn qu\u1ea7n\/Elmendorf<\/td><\/tr><tr><td>ASTM D1424<\/td><td>V\u1eadt li\u1ec7u d\u1ec7t may<\/td><td>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch Elmendorf<\/td><\/tr><tr><td>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 r\u00e1ch c\u1ee7a TAPPI<\/td><td>Ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u1ed9t gi\u1ea5y v\u00e0 gi\u1ea5y<\/td><td>\u0110\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a gi\u1ea5y<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y c\u00f3 chung c\u00e1c kh\u00e1i ni\u1ec7m d\u1ef1a tr\u00ean con l\u1eafc, nh\u01b0ng quy tr\u00ecnh chu\u1ea9n b\u1ecb m\u1eabu, ph\u01b0\u01a1ng ph\u00e1p t\u00ednh to\u00e1n v\u00e0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 b\u00e1o c\u00e1o c\u00f3 th\u1ec3 kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn ti\u00eau chu\u1ea9n ph\u00f9 h\u1ee3p s\u1ebd \u0111\u1ea3m b\u1ea3o r\u1eb1ng k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c hi\u1ec7u su\u1ea5t th\u1ef1c t\u1ebf c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n x\u00e9 gi\u1ea5y<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t chuy\u00ean gia <strong>m\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n r\u00e1ch gi\u1ea5y<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 c\u00e1c c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ng\u00e0nh c\u00f4ng nghi\u1ec7p bao b\u00ec gi\u1ea5y<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u1ee9ng d\u1ee5ng bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u00fai gi\u1ea5y \u0111\u1ef1ng th\u1ef1c ph\u1ea9m<\/li>\n\n\n\n<li>T\u00fai xi m\u0103ng<\/li>\n\n\n\n<li>Gi\u1ea5y \u0111\u00f3ng g\u00f3i th\u1ef1c ph\u1ea9m<\/li>\n\n\n\n<li>T\u00fai v\u1eadn chuy\u1ec3n<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i b\u1eb1ng b\u00eca s\u00f3ng<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t s\u1eed d\u1ee5ng d\u1eef li\u1ec7u v\u1ec1 \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o bao b\u00ec v\u1eabn nguy\u00ean v\u1eb9n trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bao b\u00ec th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bao b\u00ec l\u00e0m t\u1eeb gi\u1ea5y th\u01b0\u1eddng k\u1ebft h\u1ee3p gi\u1ea5y v\u1edbi c\u00e1c l\u1edbp ph\u1ee7 ho\u1eb7c l\u1edbp ng\u0103n c\u00e1ch. Th\u1eed nghi\u1ec7m \u0111\u1ed9 r\u00e1ch gi\u00fap \u0111\u00e1nh gi\u00e1 xem c\u00e1c c\u1ea5u tr\u00fac n\u00e0y c\u00f3 duy tr\u00ec \u0111\u01b0\u1ee3c t\u00ednh to\u00e0n v\u1eb9n c\u01a1 h\u1ecdc hay kh\u00f4ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bao b\u00ec d\u01b0\u1ee3c ph\u1ea9m v\u00e0 y t\u1ebf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c th\u00e0nh ph\u1ea7n gi\u1ea5y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u1ec7 th\u1ed1ng \u0111\u00f3ng g\u00f3i v\u00f4 tr\u00f9ng<\/li>\n\n\n\n<li>T\u00fai \u0111\u1ef1ng d\u1ee5ng c\u1ee5 y t\u1ebf<\/li>\n\n\n\n<li>T\u1ea5m b\u1ecdc b\u1ea3o v\u1ec7<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u1ee7 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o vi\u1ec7c x\u1eed l\u00fd an to\u00e0n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u1eadt li\u1ec7u in \u1ea5n v\u00e0 nh\u00e3n m\u00e1c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u00e3n v\u00e0 c\u00e1c lo\u1ea1i gi\u1ea5y chuy\u00ean d\u1ee5ng c\u1ea7n c\u00f3 t\u00ednh ch\u1ea5t ch\u1ed1ng r\u00e1ch \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u1ec3 ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng s\u1edbm trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p cho th\u1eed nghi\u1ec7m \u0111\u1ed9 r\u00e1ch theo ti\u00eau chu\u1ea9n ASTM D689<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/store.astm.org\/d0689-17r24.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D689<\/a>Ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 r\u00e1ch d\u1ef1a tr\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u li\u00ean quan \u0111\u1ebfn gi\u1ea5y, bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gi\u1ea5y Kraft<\/li>\n\n\n\n<li>Gi\u1ea5y tr\u00e1ng<\/li>\n\n\n\n<li>Gi\u1ea5y kh\u00f4ng tr\u00e1ng<\/li>\n\n\n\n<li>B\u00eca c\u1ee9ng<\/li>\n\n\n\n<li>Gi\u1ea5y t\u00e1i ch\u1ebf<\/li>\n\n\n\n<li>Gi\u1ea5y \u0111\u00f3ng g\u00f3i<\/li>\n\n\n\n<li>Gi\u1ea5y l\u1ecdc<\/li>\n\n\n\n<li>C\u00e1c b\u00e0i b\u00e1o k\u1ef9 thu\u1eadt chuy\u00ean ng\u00e0nh<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cung c\u1ea5p th\u00f4ng tin qu\u00fd gi\u00e1 cho c\u1ea3 c\u00e1c nh\u00e0 cung c\u1ea5p nguy\u00ean li\u1ec7u th\u00f4 l\u1eabn c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t s\u1ea3n ph\u1ea9m th\u00e0nh ph\u1ea9m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1ef1a ch\u1ecdn m\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n x\u00e9 gi\u1ea5y chuy\u00ean nghi\u1ec7p<\/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 r\u00e1ch gi\u1ea5y<\/a><\/strong> c\u1ea7n cung c\u1ea5p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110o l\u01b0\u1eddng ch\u00ednh x\u00e1c n\u0103ng l\u01b0\u1ee3ng c\u1ee7a con l\u1eafc<\/li>\n\n\n\n<li>K\u1eb9p m\u1eabu \u1ed5n \u0111\u1ecbnh<\/li>\n\n\n\n<li>Kh\u1edfi ph\u00e1t v\u1ebft r\u00e1ch c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i<\/li>\n\n\n\n<li>T\u00ednh to\u00e1n k\u1ebft qu\u1ea3 t\u1ef1 \u0111\u1ed9ng<\/li>\n\n\n\n<li>Ki\u1ec3m tra hi\u1ec7u chu\u1ea9n d\u1ec5 d\u00e0ng<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng ghi d\u1eef li\u1ec7u<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m c\u00e1c lo\u1ea1i gi\u1ea5y v\u00e0 v\u1eadt li\u1ec7u d\u1ebbo kh\u00e1c nhau, kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh t\u1ea3i tr\u1ecdng c\u1ee7a con l\u1eafc c\u0169ng r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e1y th\u1eed \u0111\u1ed9 r\u00e1ch Cell Instruments SLD-01 d\u00e0nh cho c\u00e1c \u1ee9ng d\u1ee5ng theo ti\u00eau chu\u1ea9n ASTM D689<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cell Instruments <strong>M\u00e1y th\u1eed \u0111\u1ed9 r\u00e1ch SLD-01<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a gi\u1ea5y, m\u00e0ng nh\u1ef1a, v\u1ea3i v\u00e0 c\u00e1c v\u1eadt li\u1ec7u d\u1ebbo kh\u00e1c b\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng nguy\u00ean l\u00fd r\u00e1ch b\u1eb1ng con l\u1eafc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thi\u1ebft b\u1ecb n\u00e0y \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u x\u00e9t nghi\u1ec7m trong ph\u00f2ng th\u00ed nghi\u1ec7m th\u00f4ng qua:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110i\u1ec1u khi\u1ec3n PLC v\u00e0 v\u1eadn h\u00e0nh b\u1eb1ng m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng<\/strong> \u0111\u1ec3 thi\u1ebft l\u1eadp th\u1eed nghi\u1ec7m \u0111\u01a1n gi\u1ea3n<\/li>\n\n\n\n<li><strong>K\u1eb9p m\u1eabu b\u1eb1ng kh\u00ed n\u00e9n<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o l\u1ef1c gi\u1eef \u1ed5n \u0111\u1ecbnh<\/li>\n\n\n\n<li><strong>Ch\u1ee9c n\u0103ng gi\u1ea3i ph\u00f3ng con l\u1eafc t\u1ef1 \u0111\u1ed9ng<\/strong> \u0111\u1ec3 gi\u1ea3m thi\u1ec3u \u1ea3nh h\u01b0\u1edfng c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh<\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra tr\u1ecdng l\u01b0\u1ee3ng chu\u1ea9n<\/strong> \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o<\/li>\n\n\n\n<li><strong>T\u00ednh to\u00e1n th\u1ed1ng k\u00ea t\u1ef1 \u0111\u1ed9ng<\/strong> \u0111\u1ec3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3<\/li>\n\n\n\n<li>Ph\u1ea7n m\u1ec1m t\u00f9y ch\u1ecdn d\u00e0nh cho vi\u1ec7c l\u1eadp b\u00e1o c\u00e1o n\u00e2ng cao v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SLD-01 h\u1ed7 tr\u1ee3 nhi\u1ec1u m\u1ee9c t\u1ea3i tr\u1ecdng con l\u1eafc kh\u00e1c nhau:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>C\u00f4ng su\u1ea5t con l\u1eafc<\/th><th>Ph\u1ea1m vi \u1ee9ng d\u1ee5ng<\/th><\/tr><\/thead><tbody><tr><td>200 gf<\/td><td>C\u00e1c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch th\u1ea5p<\/td><\/tr><tr><td>400 gf<\/td><td>Gi\u1ea5y v\u00e0 m\u00e0ng m\u1ecfng nh\u1eb9<\/td><\/tr><tr><td>800 gf<\/td><td>C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i th\u00f4ng d\u1ee5ng<\/td><\/tr><tr><td>1600 gf<\/td><td>V\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n trung b\u00ecnh<\/td><\/tr><tr><td>3200 gf<\/td><td>C\u00e1c s\u1ea3n ph\u1ea9m gi\u1ea5y b\u1ec1n ch\u1eafc<\/td><\/tr><tr><td>6400 gf<\/td><td>C\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n cao<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1edd cung c\u1ea5p c\u00e1c k\u1ebft qu\u1ea3 \u0111o \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i, thi\u1ebft b\u1ecb SLD-01 gi\u00fap c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1eadt li\u1ec7u y\u1ebfu, t\u1ed1i \u01b0u h\u00f3a thi\u1ebft k\u1ebf bao b\u00ec v\u00e0 n\u00e2ng cao t\u00ednh nh\u1ea5t qu\u00e1n trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c \u00e1p d\u1ee5ng th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch trong c\u00f4ng t\u00e1c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n r\u00e1ch \u0111\u1ecbnh k\u1ef3 mang l\u1ea1i m\u1ed9t s\u1ed1 l\u1ee3i \u00edch:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Gi\u1ea3m thi\u1ec3u c\u00e1c s\u1ef1 c\u1ed1 li\u00ean quan \u0111\u1ebfn v\u1eadt li\u1ec7u<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u gi\u1ea5y k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng gi\u00fap ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng bao b\u00ec trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 x\u1eed l\u00fd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">N\u00e2ng cao t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a s\u1ea3n ph\u1ea9m<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c x\u00e9t nghi\u1ec7m \u0111\u1ecbnh k\u1ef3 gi\u00fap ph\u00e1t hi\u1ec7n nh\u1eefng bi\u1ebfn \u0111\u1ed5i do c\u00e1c nguy\u00ean nh\u00e2n sau \u0111\u00e2y g\u00e2y ra:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Thay \u0111\u1ed5i v\u1ec1 nguy\u00ean li\u1ec7u th\u00f4<\/li>\n\n\n\n<li>\u0110i\u1ec1u ch\u1ec9nh s\u1ea3n xu\u1ea5t<\/li>\n\n\n\n<li>\u0110i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u00e1t tri\u1ec3n t\u00e0i li\u1ec7u h\u1ed7 tr\u1ee3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 so s\u00e1nh c\u00e1c c\u00f4ng th\u1ee9c v\u00e0 c\u1ea5u tr\u00fac kh\u00e1c nhau \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng mong mu\u1ed1n gi\u1eefa \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 d\u1ebbo dai v\u00e0 chi ph\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 ng\u00e0nh<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch l\u00e0 c\u01a1 s\u1edf cho vi\u1ec7c \u0111\u00e1nh gi\u00e1 nh\u00e0 cung c\u1ea5p, c\u00e1c h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng n\u1ed9i b\u1ed9 v\u00e0 h\u1ed3 s\u01a1 tu\u00e2n th\u1ee7.<\/p>","protected":false},"excerpt":{"rendered":"<p>Material durability is a critical quality factor in packaging, paper products, and flexible materials. ASTM D689 is a recognized test method used to evaluate the tear resistance of paper and related sheet materials by measuring the force required to propagate an existing tear. The method is based on the Elmendorf tear principle, where a pendulum [&hellip;]<\/p>","protected":false},"featured_media":1446,"parent":0,"template":"","meta":{"_acf_changed":false},"standard-category":[],"class_list":["post-1444","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/standard\/1444","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":3,"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/standard\/1444\/revisions"}],"predecessor-version":[{"id":1604,"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/standard\/1444\/revisions\/1604"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/media\/1446"}],"wp:attachment":[{"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/media?parent=1444"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/standard-category?post=1444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}