{"id":311,"date":"2025-02-26T06:47:27","date_gmt":"2025-02-26T06:47:27","guid":{"rendered":"https:\/\/www.hottacktest.com\/?page_id=311"},"modified":"2026-04-13T02:44:00","modified_gmt":"2026-04-13T02:44:00","slug":"astm-f1921-hot-tack-test-method","status":"publish","type":"page","link":"https:\/\/www.hottacktest.com\/vi\/astm-f1921-hot-tack-test-method","title":{"rendered":"Ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"311\" class=\"elementor elementor-311\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c60fdbb e-flex e-con-boxed e-con e-parent\" data-id=\"c60fdbb\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-db6fcba e-con-full e-flex e-con e-child\" data-id=\"db6fcba\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-9d1f798 e-con-full e-flex e-con e-child\" data-id=\"9d1f798\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-8cc5a79 e-con-full e-flex e-con e-child\" data-id=\"8cc5a79\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b6b67d4 elementor-widget elementor-widget-heading\" data-id=\"b6b67d4\" 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\">Ti\u00eau chu\u1ea9n ASTM F1921<br><small>Ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng<\/small><\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-69f526a elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"69f526a\" 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>Ti\u00eau chu\u1ea9n ASTM F1921 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n b\u00e1m d\u00ednh n\u00f3ng c\u1ee7a m\u00e0ng v\u00e0 c\u00e1c v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i kh\u00e1c. Th\u1eed nghi\u1ec7m n\u00e0y gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c m\u1ed1i h\u00e0n \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh trong \u0111i\u1ec1u ki\u1ec7n n\u00f3ng, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c bao b\u00ec \u0111\u01b0\u1ee3c ni\u00eam phong.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e94257c elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"e94257c\" data-element_type=\"widget\" data-settings=\"{&quot;button_width&quot;:&quot;20&quot;,&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" action=\"\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"311\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"e94257c\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"Hot Tack Test\" \/>\n\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tName\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Name\" required=\"required\" aria-required=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-field_e66310b elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_e66310b\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tCompany\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[field_e66310b]\" id=\"form-field-field_e66310b\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Company\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tE-mail\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"E-mail\" required=\"required\" aria-required=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tMessage\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"Message\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-recaptcha_v3 elementor-field-group elementor-column elementor-field-group-field_f2b376d elementor-col-100 recaptcha_v3-bottomright\">\n\t\t\t\t\t<div class=\"elementor-field\" id=\"form-field-field_f2b376d\"><div class=\"elementor-g-recaptcha\" data-sitekey=\"6Lcar6MrAAAAAL9Pz42-0SmIdCeogSKNdnyqx6QR\" data-type=\"v3\" data-action=\"Form\" data-badge=\"bottomright\" data-size=\"invisible\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-20 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Send<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"vi\"\/><\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-163fe1b e-con-full e-flex e-con e-child\" data-id=\"163fe1b\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\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-70c5562 e-flex e-con-boxed e-con e-parent\" data-id=\"70c5562\" 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-4d92677 elementor-widget elementor-widget-heading\" data-id=\"4d92677\" 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\">I. ASTM F1921 l\u00e0 g\u00ec?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7b6c909 elementor-widget elementor-widget-text-editor\" data-id=\"7b6c909\" 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 data-start=\"737\" data-end=\"1268\"><a href=\"https:\/\/www.hottacktest.com\/vi\/astm-f1921-hot-tack-test-method\/\" target=\"_blank\" rel=\"noopener\">Ti\u00eau chu\u1ea9n ASTM F1921<\/a> l\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n do ASTM International ph\u00e1t tri\u1ec3n \u0111\u1ec3 \u0111o \u0111\u1ed9 b\u1ec1n b\u00e1m d\u00ednh n\u00f3ng c\u1ee7a v\u1eadt li\u1ec7u, \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong bao b\u00ec. \u0110\u1ed9 b\u1ec1n b\u00e1m d\u00ednh n\u00f3ng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t l\u1edbp ni\u00eam phong ch\u1ed1ng l\u1ea1i c\u00e1c l\u1ef1c ph\u00e1 ho\u1ea1i trong khi l\u1edbp ni\u00eam phong v\u1eabn c\u00f2n n\u00f3ng, \u0111\u00e2y l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c ph\u1ed5 bi\u1ebfn trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u1ea1o h\u00ecnh-l\u1ea5p \u0111\u1ea7y. Th\u1eed nghi\u1ec7m th\u01b0\u1eddng \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh b\u1eb1ng m\u00e1y th\u1eed \u0111\u1ed9 tr\u1ec5 c\u1ed1 \u0111\u1ecbnh ho\u1eb7c thay \u0111\u1ed5i, v\u1edbi m\u1ee5c ti\u00eau ch\u00ednh l\u00e0 x\u00e1c \u0111\u1ecbnh c\u1ea7n bao nhi\u00eau l\u1ef1c \u0111\u1ec3 t\u00e1ch r\u1eddi m\u1ed9t m\u1eabu ni\u00eam phong sau khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t.<\/p><p data-start=\"1270\" data-end=\"1656\">Th\u1eed nghi\u1ec7m n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec trong qu\u00e1 tr\u00ecnh \u0111\u00f3ng g\u00f3i, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong ng\u00e0nh th\u1ef1c ph\u1ea9m v\u00e0 d\u01b0\u1ee3c ph\u1ea9m, bao b\u00ec th\u01b0\u1eddng ph\u1ea3i ch\u1ecbu l\u1ef1c khi v\u1eabn c\u00f2n \u1ea5m. N\u1ebfu l\u1edbp ni\u00eam phong b\u1ecb h\u1ecfng s\u1edbm, n\u1ed9i dung c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng, d\u1eabn \u0111\u1ebfn m\u1ea5t s\u1ea3n ph\u1ea9m ho\u1eb7c nhi\u1ec5m b\u1ea9n. Do \u0111\u00f3, vi\u1ec7c hi\u1ec3u v\u00e0 \u0111o \u0111\u1ed9 b\u00e1m d\u00ednh khi n\u00f3ng gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a bao b\u00ec.<\/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-fefe3ef e-flex e-con-boxed e-con e-parent\" data-id=\"fefe3ef\" 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-aa5617b elementor-widget elementor-widget-heading\" data-id=\"aa5617b\" 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\">II. Ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng: t\u1eebng b\u01b0\u1edbc<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f7b21f1 elementor-widget elementor-widget-heading\" data-id=\"f7b21f1\" 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<h3 class=\"elementor-heading-title elementor-size-default\">1. T\u1ed5ng quan v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1416ce2 elementor-widget elementor-widget-text-editor\" data-id=\"1416ce2\" 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 data-start=\"1736\" data-end=\"2085\">Ph\u01b0\u01a1ng ph\u00e1p ASTM F1921 li\u00ean quan \u0111\u1ebfn vi\u1ec7c d\u00e1n k\u00edn hai d\u1ea3i m\u00e0ng v\u1edbi nhau trong \u0111i\u1ec1u ki\u1ec7n \u00e1p su\u1ea5t, nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u1eddi gian \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. M\u1ed9t ho\u1eb7c c\u1ea3 hai h\u00e0m d\u00e1n k\u00edn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng v\u00e0 l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u00e1ch c\u00e1c m\u00e0ng d\u00e1n k\u00edn ra \u0111\u01b0\u1ee3c \u0111o. Th\u1eed nghi\u1ec7m cung c\u1ea5p &quot;\u0111\u01b0\u1eddng cong b\u00e1m d\u00ednh n\u00f3ng&quot;, cho th\u1ea5y hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u \u1edf c\u00e1c nhi\u1ec7t \u0111\u1ed9 d\u00e1n k\u00edn kh\u00e1c nhau.<\/p><p data-start=\"2087\" data-end=\"2284\">C\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng: <strong data-start=\"2148\" data-end=\"2160\">Ph\u01b0\u01a1ng ph\u00e1p A<\/strong> (\u0110\u1ed9 tr\u1ec5 c\u1ed1 \u0111\u1ecbnh) v\u00e0 <strong data-start=\"2179\" data-end=\"2191\">Ph\u01b0\u01a1ng ph\u00e1p B<\/strong> (\u0110\u1ed9 tr\u1ec5 thay \u0111\u1ed5i). Vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p ph\u1ee5 thu\u1ed9c v\u00e0o m\u00e1y v\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a8d9ab3 elementor-widget elementor-widget-heading\" data-id=\"a8d9ab3\" 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<h3 class=\"elementor-heading-title elementor-size-default\">2. \u00dd ngh\u0129a v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a Hot Tack trong bao b\u00ec<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-65afa6c elementor-widget elementor-widget-text-editor\" data-id=\"65afa6c\" 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 data-start=\"2336\" data-end=\"2651\">Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i v\u00ec n\u00f3 m\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00e0 ni\u00eam phong bao b\u00ec c\u00f3 th\u1ec3 ph\u1ea3i \u0111\u1ed1i m\u1eb7t trong qu\u00e1 tr\u00ecnh chi\u1ebft r\u00f3t, ni\u00eam phong v\u00e0 v\u1eadn chuy\u1ec3n. Hi\u1ec7u su\u1ea5t b\u00e1m d\u00ednh n\u00f3ng m\u1ea1nh \u0111\u1ea3m b\u1ea3o r\u1eb1ng v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u1ee9ng su\u1ea5t c\u00f3 th\u1ec3 x\u1ea3y ra trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t m\u00e0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u00e1m d\u00ednh.<\/p><p data-start=\"2653\" data-end=\"2945\">V\u00ed d\u1ee5, trong bao b\u00ec th\u1ef1c ph\u1ea9m, kh\u1ea3 n\u0103ng c\u1ee7a m\u00e0ng ch\u1ed1ng m\u1edf khi v\u1eabn c\u00f2n n\u00f3ng l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 t\u01b0\u01a1i v\u00e0 ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, bao b\u00ec y t\u1ebf \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00f3 l\u1edbp ni\u00eam phong \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 ng\u0103n ng\u1eeba ti\u1ebfp x\u00fac v\u1edbi c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 \u0111\u1ed9 \u1ea9m, b\u1ee5i ho\u1eb7c kh\u00f4ng kh\u00ed.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7d7440d elementor-widget elementor-widget-heading\" data-id=\"7d7440d\" 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<h3 class=\"elementor-heading-title elementor-size-default\">3. C\u00e1c th\u00f4ng s\u1ed1 th\u1eed nghi\u1ec7m ch\u00ednh trong ASTM F1921<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d836c93 elementor-widget elementor-widget-text-editor\" data-id=\"d836c93\" 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<ul><li data-start=\"2986\" data-end=\"3153\"><strong data-start=\"2988\" data-end=\"3012\">Nhi\u1ec7t \u0111\u1ed9 ni\u00eam phong:<\/strong> Nhi\u1ec7t \u0111\u1ed9 ni\u00eam phong \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh d\u1ef1a tr\u00ean v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m. Th\u00f4ng th\u01b0\u1eddng, nhi\u1ec7t \u0111\u1ed9 ni\u00eam phong b\u1eaft \u0111\u1ea7u \u1edf m\u1ee9c th\u1ea5p v\u00e0 t\u0103ng d\u1ea7n.<\/li><li data-start=\"3154\" data-end=\"3280\"><strong data-start=\"3156\" data-end=\"3171\">Th\u1eddi gian l\u01b0u tr\u00fa:<\/strong> Kho\u1ea3ng th\u1eddi gian v\u1eadt li\u1ec7u ch\u1ecbu \u00e1p l\u1ef1c trong qu\u00e1 tr\u00ecnh b\u1ecbt k\u00edn, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a l\u1edbp b\u1ecbt k\u00edn.<\/li><li data-start=\"3281\" data-end=\"3393\"><strong data-start=\"3283\" data-end=\"3304\">\u00c1p su\u1ea5t ni\u00eam phong:<\/strong> \u00c1p su\u1ea5t \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong qu\u00e1 tr\u00ecnh ni\u00eam phong, th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t trong kho\u1ea3ng t\u1eeb 15 N\/m\u00b2 \u0111\u1ebfn 30 N\/m\u00b2.<\/li><li data-start=\"3394\" data-end=\"3496\"><strong data-start=\"3396\" data-end=\"3421\">Chu\u1ea9n b\u1ecb m\u1eabu:<\/strong> C\u00e1c m\u1eabu v\u1eadt \u0111\u01b0\u1ee3c c\u1eaft theo k\u00edch th\u01b0\u1edbc v\u00e0 x\u1eed l\u00fd \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a th\u1eed nghi\u1ec7m.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5250082 elementor-widget elementor-widget-heading\" data-id=\"5250082\" 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<h3 class=\"elementor-heading-title elementor-size-default\">4. Gi\u1ea3i th\u00edch k\u1ebft qu\u1ea3: \u0110\u01b0\u1eddng cong Hot Tack<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15e77cb elementor-widget elementor-widget-text-editor\" data-id=\"15e77cb\" 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 data-start=\"3542\" data-end=\"3860\">\u0110\u01b0\u1eddng cong \u0111\u1ed9 d\u00ednh n\u00f3ng \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch v\u1ebd \u0111\u1ed3 th\u1ecb \u0111\u1ed9 d\u00ednh n\u00f3ng theo th\u1eddi gian sau khi h\u00e0m k\u1eb9p m\u1edf. \u0110\u01b0\u1eddng cong th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u v\u1edbi \u0111\u1ed9 b\u1ec1n cao gi\u1ea3m d\u1ea7n khi v\u1eadt li\u1ec7u ngu\u1ed9i. \u0110\u1ed3 th\u1ecb n\u00e0y gi\u00fap x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u ki\u1ec7n ni\u00eam phong l\u00fd t\u01b0\u1edfng v\u00e0 d\u1ef1 \u0111o\u00e1n hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u00f3ng g\u00f3i th\u1ef1c t\u1ebf.<\/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-200c69f e-flex e-con-boxed e-con e-parent\" data-id=\"200c69f\" 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-9604edf elementor-widget elementor-widget-heading\" data-id=\"9604edf\" 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\">III. \u00dd ngh\u0129a c\u1ee7a th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng trong \u1ee9ng d\u1ee5ng \u0111\u00f3ng g\u00f3i<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e670c27 elementor-widget elementor-widget-text-editor\" data-id=\"e670c27\" 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 data-start=\"3919\" data-end=\"3966\">Ki\u1ec3m tra \u0111\u1ed9 b\u00e1m d\u00ednh khi n\u00f3ng r\u1ea5t quan tr\u1ecdng v\u00ec m\u1ed9t s\u1ed1 l\u00fd do:<\/p><ul data-start=\"3967\" data-end=\"4408\"><li data-start=\"3967\" data-end=\"4093\"><strong data-start=\"3969\" data-end=\"3991\">\u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng:<\/strong> N\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7u su\u1ea5t c\u1ea7n thi\u1ebft d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t.<\/li><li data-start=\"4094\" data-end=\"4231\"><strong data-start=\"4096\" data-end=\"4121\">T\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh:<\/strong> K\u1ebft qu\u1ea3 gi\u00fap t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh \u0111\u00f3ng g\u00f3i b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t ni\u00eam phong l\u00fd t\u01b0\u1edfng.<\/li><li data-start=\"4232\" data-end=\"4405\"><strong data-start=\"4234\" data-end=\"4258\">So s\u00e1nh v\u1eadt li\u1ec7u:<\/strong> N\u00f3 cho ph\u00e9p c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t so s\u00e1nh \u0111\u1ed9 b\u1ec1n d\u00ednh n\u00f3ng c\u1ee7a c\u00e1c m\u00e0ng phim ho\u1eb7c v\u1eadt li\u1ec7u kh\u00e1c nhau, gi\u00fap l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/li><\/ul>\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-d0184fb e-grid e-con-boxed e-con e-parent\" data-id=\"d0184fb\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-1b0ee1d e-con-full e-flex e-con e-child\" data-id=\"1b0ee1d\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6d4017f elementor-widget elementor-widget-heading\" data-id=\"6d4017f\" 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\">IV. L\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p \u0111\u1ec3 th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1746609 elementor-widget elementor-widget-text-editor\" data-id=\"1746609\" 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 data-start=\"4463\" data-end=\"4658\">\u0110\u1ec3 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m ASTM F1921, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ea7n thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng nh\u01b0 <a href=\"https:\/\/www.hottacktest.com\/vi\/heat-seal-and-hot-tack-testing-machine-astm-f1921\" target=\"_blank\" rel=\"noopener\" data-wplink-edit=\"true\">m\u00e1y th\u1eed \u0111\u1ed9 d\u00ednh n\u00f3ng<\/a>, c\u1ea7n \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c. M\u00e1y ph\u1ea3i c\u00f3 c\u00e1c kh\u1ea3 n\u0103ng sau:<\/p><ul data-start=\"4659\" data-end=\"4843\"><li data-start=\"4659\" data-end=\"4731\">Ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c nhi\u1ec7t \u0111\u1ed9 h\u00e0m, th\u1eddi gian d\u1eebng v\u00e0 \u00e1p su\u1ea5t ni\u00eam phong<\/li><li data-start=\"4732\" data-end=\"4793\">Kh\u1ea3 n\u0103ng \u0111o l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1 v\u1ee1 l\u1edbp ni\u00eam phong<\/li><li data-start=\"4794\" data-end=\"4843\">Giao di\u1ec7n m\u00e1y t\u00ednh \u0111\u1ec3 ghi l\u1ea1i v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u<\/li><\/ul><p data-start=\"4845\" data-end=\"4961\">Ngo\u00e0i ra, m\u00e1y ph\u1ea3i h\u1ed7 tr\u1ee3 c\u1ea3 ph\u01b0\u01a1ng ph\u00e1p tr\u1ec5 c\u1ed1 \u0111\u1ecbnh v\u00e0 tr\u1ec5 thay \u0111\u1ed5i, cho ph\u00e9p linh ho\u1ea1t trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c1951e5 e-con-full e-flex e-con e-child\" data-id=\"c1951e5\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a5357ed elementor-widget elementor-widget-image\" data-id=\"a5357ed\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.hottacktest.com\/vi\/heat-seal-and-hot-tack-testing-machine-astm-f1921\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/astm-f1921-hot-tack-tester.webp\" class=\"attachment-large size-large wp-image-337\" alt=\"m\u00e1y th\u1eed \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng astm f1921\" srcset=\"https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/astm-f1921-hot-tack-tester.webp 600w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/astm-f1921-hot-tack-tester-300x200.webp 300w\" 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<figcaption class=\"widget-image-caption wp-caption-text\">M\u00e1y ki\u1ec3m tra \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\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>ASTM F1921Hot Tack Test Method The ASTM F1921 standard is a crucial test method for evaluating the hot tack strength of films and other packaging materials. This test helps manufacturers determine the strength of seals formed under hot conditions, which is vital in ensuring the quality and durability of sealed packages. I. 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