{"id":8223,"date":"2025-11-27T15:33:32","date_gmt":"2025-11-27T07:33:32","guid":{"rendered":"https:\/\/www.packqc.com\/?p=8223"},"modified":"2025-11-27T15:34:06","modified_gmt":"2025-11-27T07:34:06","slug":"film-free-shrink-test-astm-d2732-for-plastic-film-quality","status":"publish","type":"post","link":"https:\/\/www.packqc.com\/vi\/film-free-shrink-test-astm-d2732-for-plastic-film-quality\/","title":{"rendered":"Th\u1eed nghi\u1ec7m co ng\u00f3t kh\u00f4ng nhi\u1ec7t c\u1ee7a m\u00e0ng nh\u1ef1a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 h\u00e0nh vi co ng\u00f3t nhi\u1ec7t c\u1ee7a m\u00e0ng nh\u1ef1a trong qu\u00e1 tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng."},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"8223\" class=\"elementor elementor-8223\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8ec5ed6 e-flex e-con-boxed e-con e-parent\" data-id=\"8ec5ed6\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bcc0005 elementor-widget elementor-widget-heading\" data-id=\"bcc0005\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Th\u1eed nghi\u1ec7m co ng\u00f3t kh\u00f4ng nhi\u1ec7t c\u1ee7a m\u00e0ng nh\u1ef1a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 h\u00e0nh vi co ng\u00f3t nhi\u1ec7t c\u1ee7a m\u00e0ng nh\u1ef1a trong qu\u00e1 tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng.<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4ef2393 e-flex e-con-boxed e-con e-parent\" data-id=\"4ef2393\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3338aa2 elementor-widget elementor-widget-heading\" data-id=\"3338aa2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Th\u1eed nghi\u1ec7m co ng\u00f3t kh\u00f4ng s\u1eed d\u1ee5ng m\u00e0ng phim \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c \u0111\u1ed9 co ng\u00f3t nhi\u1ec7t<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a769559 e-flex e-con-boxed e-con e-parent\" data-id=\"a769559\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-26a12fb elementor-widget elementor-widget-text-editor\" data-id=\"26a12fb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e0ng nh\u1ef1a ph\u1ee5 thu\u1ed9c v\u00e0o <strong data-start=\"593\" data-end=\"618\">Th\u1eed nghi\u1ec7m co ng\u00f3t kh\u00f4ng c\u1ea7n phim<\/strong> \u0110\u1ec3 hi\u1ec3u c\u00e1ch v\u1eadt li\u1ec7u ph\u1ea3n \u1ee9ng khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao. Th\u1eed nghi\u1ec7m n\u00e0y gi\u00fap ph\u00e1t hi\u1ec7n c\u00e1c \u1ee9ng su\u1ea5t b\u00ean trong, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng quy tr\u00ecnh, nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi bao b\u00ec th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 c\u00f4ng nghi\u1ec7p. V\u00ec co ng\u00f3t \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t \u0111\u00f3ng g\u00f3i, \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a nh\u00e3n m\u00e1c v\u00e0 ngo\u1ea1i h\u00ecnh bao b\u00ec, c\u00e1c \u0111\u1ed9i ng\u0169 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng c\u1ea7n \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 nh\u1ea5t qu\u00e1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ea3n xu\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u su\u1ea5t m\u00e0ng bao b\u00ec \u0111\u00e1ng tin c\u1eady.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4354a8d e-flex e-con-boxed e-con e-parent\" data-id=\"4354a8d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1acecea elementor-widget elementor-widget-text-editor\" data-id=\"1acecea\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"1049\" data-end=\"1109\"><strong data-start=\"1052\" data-end=\"1109\">T\u1ed5ng quan v\u1ec1 th\u1eed nghi\u1ec7m co ng\u00f3t kh\u00f4ng s\u1eed d\u1ee5ng m\u00e0ng phim theo ti\u00eau chu\u1ea9n ASTM D2732<\/strong><\/h2><p data-start=\"1111\" data-end=\"1598\">\u0110\u01b0\u1ee3c tr\u00edch d\u1eabn r\u1ed9ng r\u00e3i <strong data-start=\"1133\" data-end=\"1147\">Ti\u00eau chu\u1ea9n ASTMD2732<\/strong> Ti\u00eau chu\u1ea9n n\u00e0y cung c\u1ea5p h\u01b0\u1edbng d\u1eabn chi ti\u1ebft \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 co ng\u00f3t nhi\u1ec7t tuy\u1ebfn t\u00ednh kh\u00f4ng b\u1ecb h\u1ea1n ch\u1ebf trong m\u00e0ng c\u00f3 \u0111\u1ed9 d\u00e0y l\u00ean \u0111\u1ebfn 0,76 mm. N\u00f3 gi\u1ea3i th\u00edch c\u00e1ch c\u00e1c \u1ee9ng su\u1ea5t b\u00ean trong c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng trong qu\u00e1 tr\u00ecnh gia nhi\u1ec7t v\u00e0 t\u1ea1i sao c\u00e1c c\u1ea5u tr\u00fac nh\u1ef1a kh\u00e1c nhau ho\u1eb7c c\u00e1c ph\u01b0\u01a1ng ph\u00e1p gia c\u00f4ng kh\u00e1c nhau d\u1eabn \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 co ng\u00f3t kh\u00e1c nhau. B\u1eb1ng c\u00e1ch th\u1eed nghi\u1ec7m \u0111\u1ed9 co ng\u00f3t c\u1ee7a m\u00e0ng \u1edf c\u00e1c nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp m\u1ed9t bi\u1ec3u \u0111\u1ed3 co ng\u00f3t h\u1ed7 tr\u1ee3 vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u, t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng l\u00e2u d\u00e0i.<\/p><p data-start=\"1600\" data-end=\"1656\">Ti\u00eau chu\u1ea9n n\u00e0y nh\u1ea5n m\u1ea1nh m\u1ed9t s\u1ed1 nguy\u00ean t\u1eafc quan tr\u1ecdng:<\/p><ul><li data-start=\"1659\" data-end=\"1742\">Nhi\u1ec7t \u0111\u1ed9 co ng\u00f3t c\u00f3 m\u1ed1i quan h\u1ec7 ch\u1eb7t ch\u1ebd v\u1edbi lo\u1ea1i nh\u1ef1a v\u00e0 \u0111i\u1ec1u ki\u1ec7n s\u1ea3n xu\u1ea5t.<\/li><li data-start=\"1745\" data-end=\"1806\">Nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn gi\u00e1 tr\u1ecb co ng\u00f3t l\u1edbn h\u01a1n.<\/li><li data-start=\"1809\" data-end=\"1928\">Sau khi phim \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng h\u00f3a, vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ecbnh k\u1ef3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i m\u1ed9t nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea1i di\u1ec7n duy nh\u1ea5t.<\/li><\/ul><p data-start=\"1930\" data-end=\"2007\">Nh\u1eefng \u0111i\u1ec3m n\u00e0y gi\u00fap ng\u01b0\u1eddi d\u00f9ng x\u00e2y d\u1ef1ng m\u1ed9t quy tr\u00ecnh l\u00e0m vi\u1ec7c c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i v\u00e0 c\u00f3 t\u00ednh k\u1ef9 thu\u1eadt \u0111\u00e1ng tin c\u1eady.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-180ffef e-flex e-con-boxed e-con e-parent\" data-id=\"180ffef\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a62c598 elementor-widget elementor-widget-text-editor\" data-id=\"a62c598\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"2014\" data-end=\"2084\"><strong data-start=\"2017\" data-end=\"2084\">T\u1ea1i sao b\u00e0i ki\u1ec3m tra co ng\u00f3t kh\u00f4ng s\u1eed d\u1ee5ng m\u00e0ng phim l\u1ea1i quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f3ng g\u00f3i?<\/strong><\/h2><p data-start=\"2086\" data-end=\"2163\">C\u00e1c <strong data-start=\"2090\" data-end=\"2115\">Th\u1eed nghi\u1ec7m co ng\u00f3t kh\u00f4ng c\u1ea7n phim<\/strong> H\u1ed7 tr\u1ee3 nhi\u1ec1u m\u1ee5c ti\u00eau li\u00ean quan \u0111\u1ebfn \u0111\u00f3ng g\u00f3i:<\/p><p data-start=\"2165\" data-end=\"2385\"><strong data-start=\"2165\" data-end=\"2209\">1. Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u1ed5n \u0111\u1ecbnh quy tr\u00ecnh<\/strong><br data-start=\"2209\" data-end=\"2212\" \/>C\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u1ea7n \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u00e0ng trong qu\u00e1 tr\u00ecnh h\u00e0n k\u00edn v\u00e0 co r\u00fat. Vi\u1ec7c ki\u1ec3m tra gi\u00fap ph\u00e1t hi\u1ec7n c\u00e1c bi\u1ebfn \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n \u00e9p \u0111\u00f9n, h\u1ed7n h\u1ee3p nh\u1ef1a ho\u1eb7c quy tr\u00ecnh \u0111\u1ecbnh h\u01b0\u1edbng.<\/p><p data-start=\"2387\" data-end=\"2567\"><strong data-start=\"2387\" data-end=\"2419\">2. Ph\u00e2n t\u00edch \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u<\/strong><br data-start=\"2419\" data-end=\"2422\" \/>Nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e0ng nh\u1ef1a theo d\u00f5i hi\u1ec7u su\u1ea5t \u1edf c\u00e1c m\u1ee9c nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau \u0111\u1ec3 hi\u1ec3u xu h\u01b0\u1edbng co ng\u00f3t. Th\u00f4ng tin n\u00e0y gi\u00fap l\u1ef1a ch\u1ecdn nh\u1ef1a v\u00e0 c\u00f4ng th\u1ee9c m\u00e0ng nh\u1ef1a.<\/p><p data-start=\"2569\" data-end=\"2781\"><strong data-start=\"2569\" data-end=\"2612\">3. Hi\u1ec7u su\u1ea5t v\u00e0 ngo\u1ea1i h\u00ecnh bao b\u00ec<\/strong><br data-start=\"2612\" data-end=\"2615\" \/>Qu\u1ea5n m\u00e0ng co, d\u00e1n nh\u00e3n v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ed1ng gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u m\u1ee9c \u0111\u1ed9 co r\u00fat \u1ed5n \u0111\u1ecbnh. Ngay c\u1ea3 nh\u1eefng sai l\u1ec7ch nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn n\u1ebfp nh\u0103n, bi\u1ebfn d\u1ea1ng ho\u1eb7c h\u1ecfng seal.<\/p><p data-start=\"2783\" data-end=\"2964\"><strong data-start=\"2783\" data-end=\"2824\">4. Tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh v\u00e0 nh\u00e0 cung c\u1ea5p<\/strong><br data-start=\"2824\" data-end=\"2827\" \/>C\u00e1c th\u01b0\u01a1ng hi\u1ec7u v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t bao b\u00ec s\u1eed d\u1ee5ng d\u1eef li\u1ec7u co ng\u00f3t \u0111\u1ec3 ki\u1ec3m tra nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o, \u0111\u1ea3m b\u1ea3o bao b\u00ec \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt v\u00e0 k\u1ef3 v\u1ecdng c\u1ee7a ng\u00e0nh.<\/p><p data-start=\"2966\" data-end=\"3105\">V\u00ec m\u00e0ng \u0111\u00f3ng g\u00f3i ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady trong c\u00e1c d\u00e2y chuy\u1ec1n t\u1ef1 \u0111\u1ed9ng, th\u1eed nghi\u1ec7m co r\u00fat \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 h\u00e0nh vi c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-44ef5a9 e-flex e-con-boxed e-con e-parent\" data-id=\"44ef5a9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-84da03a elementor-widget elementor-widget-text-editor\" data-id=\"84da03a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"3112\" data-end=\"3178\"><strong data-start=\"3115\" data-end=\"3178\">Quy tr\u00ecnh ki\u1ec3m tra v\u00e0 c\u00e1c b\u01b0\u1edbc ch\u00ednh trong \u0111\u00e1nh gi\u00e1 m\u00e0ng co kh\u00f4ng d\u00ednh<\/strong><\/h2><p data-start=\"3180\" data-end=\"3307\">Th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady <strong data-start=\"3202\" data-end=\"3227\">Th\u1eed nghi\u1ec7m co ng\u00f3t kh\u00f4ng c\u1ea7n phim<\/strong> Y\u00eau c\u1ea7u s\u1ef1 chu\u1ea9n b\u1ecb \u0111\u1ec1u \u0111\u1eb7n, ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c.<\/p><h3 data-start=\"3309\" data-end=\"3339\"><strong data-start=\"3313\" data-end=\"3337\">Chu\u1ea9n b\u1ecb m\u1eabu<\/strong><\/h3><p data-start=\"3340\" data-end=\"3616\">M\u00e0ng phim \u0111\u01b0\u1ee3c c\u1eaft th\u00e0nh c\u00e1c m\u1eabu c\u00f3 k\u00edch th\u01b0\u1edbc 100 \u00d7 100 mm. Ghi d\u1ea5u theo h\u01b0\u1edbng m\u00e1y gi\u00fap \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c c\u1ea3 \u0111\u1ed9 co d\u00e3n theo chi\u1ec1u d\u1ecdc v\u00e0 chi\u1ec1u ngang. Qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ki\u1ec7n h\u00f3a gi\u00fap c\u00e1c m\u1eabu v\u00e0 \u0111i\u1ec1u ki\u1ec7n ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u1ea1t tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng, gi\u1ea3m thi\u1ec3u sai s\u1ed1 do bi\u1ebfn \u0111\u1ed9ng \u0111\u1ed9 \u1ea9m ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 g\u00e2y ra.<\/p><h3 data-start=\"3618\" data-end=\"3654\"><strong data-start=\"3622\" data-end=\"3652\">Quy tr\u00ecnh gia nhi\u1ec7t c\u00f3 ki\u1ec3m so\u00e1t<\/strong><\/h3><p data-start=\"3655\" data-end=\"3937\">M\u1ed9t b\u1ec3 ch\u1ea5t l\u1ecfng duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 c\u1ed1 \u0111\u1ecbnh \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m \u0111\u00e3 ch\u1ecdn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. C\u00e1c ch\u1ea5t l\u1ecfng ph\u00f9 h\u1ee3p bao g\u1ed3m glycerin, n\u01b0\u1edbc ho\u1eb7c polyethylene glycol, theo khuy\u1ebfn ngh\u1ecb c\u1ee7a ti\u00eau chu\u1ea9n ASTM D2732. M\u1eabu \u0111\u01b0\u1ee3c gi\u1eef trong b\u1ec3. <strong data-start=\"3855\" data-end=\"3877\">Gi\u00e1 \u0111\u1ee1 co gi\u00e3n mi\u1ec5n ph\u00ed<\/strong>, gi\u00fap ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng n\u1ed5i nh\u01b0ng cho ph\u00e9p co ng\u00f3t kh\u00f4ng gi\u1edbi h\u1ea1n.<\/p><h3 data-start=\"3939\" data-end=\"3970\"><strong data-start=\"3943\" data-end=\"3968\">Ng\u00e2m v\u00e0 L\u00e0m m\u00e1t<\/strong><\/h3><p data-start=\"3971\" data-end=\"4279\">M\u1eabu \u0111\u01b0\u1ee3c ng\u00e2m trong kho\u1ea3ng 10 gi\u00e2y ho\u1eb7c cho \u0111\u1ebfn khi \u0111\u1ea1t \u0111\u1ed9 co r\u00fat t\u1ed1i \u0111a. Vi\u1ec7c x\u1eed l\u00fd qu\u00e1 m\u1ee9c ho\u1eb7c gia nhi\u1ec7t v\u01b0\u1ee3t qu\u00e1 nhi\u1ec7t \u0111\u1ed9 b\u1ec3 c\u00f3 th\u1ec3 g\u00e2y co r\u00fat s\u1edbm, do \u0111\u00f3 nh\u00e2n vi\u00ean v\u1eadn h\u00e0nh ph\u1ea3i tu\u00e2n th\u1ee7 ch\u00ednh x\u00e1c quy tr\u00ecnh. Sau khi gia nhi\u1ec7t, m\u1eabu \u0111\u01b0\u1ee3c l\u00e0m m\u00e1t nhanh ch\u00f3ng trong m\u00f4i tr\u01b0\u1eddng t\u01b0\u01a1ng th\u00edch \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc cu\u1ed1i c\u00f9ng c\u1ee7a n\u00f3.<\/p><h3 data-start=\"4281\" data-end=\"4318\"><strong data-start=\"4285\" data-end=\"4316\">\u0110o l\u01b0\u1eddng v\u00e0 T\u00ednh to\u00e1n<\/strong><\/h3><p data-start=\"4319\" data-end=\"4561\">H\u1ec7 s\u1ed1 co ng\u00f3t \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch so s\u00e1nh chi\u1ec1u d\u00e0i ban \u0111\u1ea7u 100 mm v\u1edbi chi\u1ec1u d\u00e0i cu\u1ed1i c\u00f9ng sau khi gia nhi\u1ec7t. C\u00e1c gi\u00e1 tr\u1ecb ri\u00eang bi\u1ec7t \u0111\u01b0\u1ee3c ghi l\u1ea1i cho h\u01b0\u1edbng d\u1ecdc v\u00e0 h\u01b0\u1edbng ngang. K\u1ebft qu\u1ea3 gi\u00fap x\u00e1c \u0111\u1ecbnh li\u1ec7u m\u00e0ng c\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt hay kh\u00f4ng.<\/p><p data-start=\"4563\" data-end=\"4709\">C\u00e1c b\u01b0\u1edbc n\u00e0y cung c\u1ea5p m\u1ed9t quy tr\u00ecnh l\u00e0m vi\u1ec7c r\u00f5 r\u00e0ng v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i, ph\u00f9 h\u1ee3p cho m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t, ph\u00f2ng th\u00ed nghi\u1ec7m nghi\u00ean c\u1ee9u v\u00e0 ki\u1ec3m tra nguy\u00ean v\u1eadt li\u1ec7u \u0111\u1ea7u v\u00e0o.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1aca67c e-flex e-con-boxed e-con e-parent\" data-id=\"1aca67c\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-55260e6 elementor-widget elementor-widget-text-editor\" data-id=\"55260e6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"4716\" data-end=\"4761\"><strong data-start=\"4719\" data-end=\"4761\">C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u00e0nh vi co ng\u00f3t c\u1ee7a phim<\/strong><\/h2><p data-start=\"4763\" data-end=\"4832\">M\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 c\u1ee7a th\u1eed nghi\u1ec7m co ng\u00f3t kh\u00f4ng d\u00f9ng phim:<\/p><ul><li data-start=\"4836\" data-end=\"4878\"><strong data-start=\"4836\" data-end=\"4876\">Lo\u1ea1i nh\u1ef1a v\u00e0 \u0111\u1ecbnh h\u01b0\u1edbng ph\u00e2n t\u1eed<\/strong><\/li><li data-start=\"4881\" data-end=\"4922\"><strong data-start=\"4881\" data-end=\"4920\">\u0110i\u1ec1u ki\u1ec7n \u00e9p \u0111\u00f9n v\u00e0 k\u00e9o d\u00e3n<\/strong><\/li><li data-start=\"4925\" data-end=\"4964\"><strong data-start=\"4925\" data-end=\"4962\">T\u1ed1c \u0111\u1ed9 l\u00e0m m\u00e1t trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t<\/strong><\/li><li data-start=\"4967\" data-end=\"5007\"><strong data-start=\"4967\" data-end=\"5005\">Ph\u1ee5 gia ho\u1eb7c c\u1ea5u tr\u00fac nhi\u1ec1u l\u1edbp<\/strong><\/li><li data-start=\"5008\" data-end=\"5067\"><p data-start=\"5010\" data-end=\"5067\"><strong data-start=\"5010\" data-end=\"5065\">S\u1ef1 bi\u1ebfn \u0111\u1ed5i \u0111\u1ed9 d\u00e0y ho\u1eb7c ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t b\u00ean trong<\/strong><\/p><\/li><\/ul><p data-start=\"5069\" data-end=\"5210\">Hi\u1ec3u r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y gi\u00fap c\u00e1c k\u1ef9 s\u01b0 ph\u00e2n t\u00edch k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m ch\u00ednh x\u00e1c h\u01a1n v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c th\u00f4ng s\u1ed1 quy tr\u00ecnh ho\u1eb7c c\u00f4ng th\u1ee9c v\u1eadt li\u1ec7u.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-da5ab02 e-flex e-con-boxed e-con e-parent\" data-id=\"da5ab02\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dbfb2a7 elementor-widget elementor-widget-image\" data-id=\"dbfb2a7\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.packqc.com\/vi\/product\/fst-01-film-shrinkage-tester\/\" target=\"_blank\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/11\/Film-Free-Shrink-Test-ASTM-D2732-for-Plastic-Film-Quality.webp\" class=\"attachment-large size-large wp-image-8228\" alt=\"Th\u1eed nghi\u1ec7m co ng\u00f3t kh\u00f4ng t\u1ea3i theo ti\u00eau chu\u1ea9n ASTM D2732 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng m\u00e0ng nh\u1ef1a\" srcset=\"https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/11\/Film-Free-Shrink-Test-ASTM-D2732-for-Plastic-Film-Quality.webp 600w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/11\/Film-Free-Shrink-Test-ASTM-D2732-for-Plastic-Film-Quality-300x300.webp 300w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/11\/Film-Free-Shrink-Test-ASTM-D2732-for-Plastic-Film-Quality-100x100.webp 100w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/11\/Film-Free-Shrink-Test-ASTM-D2732-for-Plastic-Film-Quality-150x150.webp 150w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/11\/Film-Free-Shrink-Test-ASTM-D2732-for-Plastic-Film-Quality-12x12.webp 12w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-96e52d8 e-flex e-con-boxed e-con e-parent\" data-id=\"96e52d8\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fef3d13 elementor-widget elementor-widget-text-editor\" data-id=\"fef3d13\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"5217\" data-end=\"5280\"><strong data-start=\"5220\" data-end=\"5280\">L\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb \u0111\u00e1ng tin c\u1eady cho th\u1eed nghi\u1ec7m co ng\u00f3t kh\u00f4ng m\u00e0ng<\/strong><\/h2><p data-start=\"5282\" data-end=\"5649\">S\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c v\u00e0 \u1ed5n \u0111\u1ecbnh l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 co ng\u00f3t \u0111\u00e1ng tin c\u1eady. <strong data-start=\"5378\" data-end=\"5398\">D\u1ee5ng c\u1ee5 t\u1ebf b\u00e0o<\/strong> Cung c\u1ea5p c\u00e1c m\u00e1y th\u1eed co ng\u00f3t kh\u00f4ng m\u00e0ng phim ti\u00ean ti\u1ebfn, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c, gia nhi\u1ec7t \u0111\u1ec1u trong b\u1ec3 v\u00e0 gi\u00e1 \u0111\u1ee1 m\u1eabu \u1ed5n \u0111\u1ecbnh. C\u00e1c t\u00ednh n\u0103ng n\u00e0y cho ph\u00e9p c\u00e1c \u0111\u1ed9i ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u00e1i hi\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1ed3ng th\u1eddi \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n ASTM D2732.<\/p><p data-start=\"5651\" data-end=\"5700\">M\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch:<\/p><ul><li data-start=\"5704\" data-end=\"5738\">\u1ed4n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 nhanh h\u01a1n<\/li><li data-start=\"5741\" data-end=\"5780\">\u0110\u1ed9 l\u1eb7p l\u1ea1i \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n gi\u1eefa c\u00e1c l\u00f4<\/li><li data-start=\"5783\" data-end=\"5819\">V\u1eadn h\u00e0nh an to\u00e0n v\u00e0 ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n<\/li><li data-start=\"5822\" data-end=\"5871\">Kh\u1ea3 n\u0103ng x\u1eed l\u00fd nhi\u1ec1u m\u1eabu c\u00f9ng l\u00fac \u0111\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3.<\/li><li data-start=\"5874\" data-end=\"5917\">\u0110i\u1ec1u ch\u1ec9nh th\u1eddi gian t\u1ef1 \u0111\u1ed9ng v\u00e0 hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt s\u1ed1<\/li><\/ul><p data-start=\"5919\" data-end=\"6081\">\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111ang t\u00ecm ki\u1ebfm c\u00f4ng c\u1ee5 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 co ng\u00f3t \u0111\u00e1ng tin c\u1eady, m\u00e1y th\u1eed nghi\u1ec7m Cell Instruments chuy\u00ean d\u1ee5ng h\u1ed7 tr\u1ee3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nh\u1ea5t qu\u00e1n v\u00e0 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d0d81e0 e-flex e-con-boxed e-con e-parent\" data-id=\"d0d81e0\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c0152e7 elementor-widget elementor-widget-text-editor\" data-id=\"c0152e7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"6088\" data-end=\"6105\"><strong data-start=\"6091\" data-end=\"6105\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/strong><\/h2><p data-start=\"6107\" data-end=\"6611\">C\u00e1c <strong data-start=\"6111\" data-end=\"6136\">Th\u1eed nghi\u1ec7m co ng\u00f3t kh\u00f4ng c\u1ea7n phim<\/strong> \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c hi\u1ec3u r\u00f5 h\u00e0nh vi co ng\u00f3t nhi\u1ec7t, \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u00e0ng v\u00e0 duy tr\u00ec hi\u1ec7u su\u1ea5t \u0111\u00f3ng g\u00f3i. C\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 <strong data-start=\"6286\" data-end=\"6300\">Ti\u00eau chu\u1ea9n ASTMD2732<\/strong> Cung c\u1ea5p m\u1ed9t khung th\u1eed nghi\u1ec7m c\u00f3 c\u1ea5u tr\u00fac v\u00e0 \u0111\u00e1ng tin c\u1eady, h\u1ed7 tr\u1ee3 k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 truy v\u1ebft v\u00e0 l\u1eb7p l\u1ea1i tr\u00ean c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c quy tr\u00ecnh th\u1eed nghi\u1ec7m \u0111\u00fang \u0111\u1eafn v\u1edbi c\u00e1c thi\u1ebft b\u1ecb ch\u00ednh x\u00e1c, c\u00e1c k\u1ef9 s\u01b0 \u0111\u00f3ng g\u00f3i v\u00e0 \u0111\u1ed9i ng\u0169 ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 th\u1ec3 theo d\u00f5i xu h\u01b0\u1edbng co ng\u00f3t m\u1ed9t c\u00e1ch t\u1ef1 tin v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 tin c\u1eady c\u1ee7a v\u1eadt li\u1ec7u.<\/p><p data-start=\"6613\" data-end=\"6811\"><strong data-start=\"6613\" data-end=\"6633\">D\u1ee5ng c\u1ee5 t\u1ebf b\u00e0o<\/strong> Cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p th\u1eed nghi\u1ec7m co r\u00fat phim chuy\u00ean nghi\u1ec7p mi\u1ec5n ph\u00ed, gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean th\u00f4ng tin ch\u00ednh x\u00e1c, n\u00e2ng cao t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00f3ng g\u00f3i \u1edf m\u1ee9c cao.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>The film free shrink test evaluates thermal shrinkage behavior of plastic films for quality control Film Free Shrink Test for Accurate Thermal Shrinkage Evaluation Plastic film manufacturers rely on the film free shrink test to understand how materials behave when exposed to heat. This test reveals internal stresses, dimensional stability, and process quality, which are [&hellip;]<\/p>","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8223","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/posts\/8223","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/comments?post=8223"}],"version-history":[{"count":0,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/posts\/8223\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/media?parent=8223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/categories?post=8223"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/tags?post=8223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}