{"id":59,"date":"2025-12-24T05:33:37","date_gmt":"2025-12-24T05:33:37","guid":{"rendered":"https:\/\/www.impacttesting.net\/?page_id=59"},"modified":"2025-12-24T06:11:16","modified_gmt":"2025-12-24T06:11:16","slug":"astm-d3420","status":"publish","type":"page","link":"https:\/\/www.impacttesting.net\/vi\/astm-d3420\/","title":{"rendered":"ASTM D3420"},"content":{"rendered":"<section class=\"section\" id=\"section_657769654\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-940374887\">\n\n\n\t<div id=\"col-1638947640\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\" style=\"background-color:rgb(92, 171, 188);\" >\n\t\t\t\n\t\t\t\n\n<div class=\"row\"  id=\"row-738888895\">\n\n\n\t<div id=\"col-51143759\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-3610887102\" class=\"text\">\n\t\t\n\n<h1>ASTM D1709<\/h1>\n\t\t\n<style>\n#text-3610887102 {\n  font-size: 1.5rem;\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-504136997\" class=\"text\">\n\t\t\n\n<h2>Kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp theo ki\u1ec3u con l\u1eafc c\u1ee7a m\u00e0ng nh\u1ef1a<\/h2>\n\t\t\n<style>\n#text-504136997 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-51143759 > .col-inner {\n  padding: 50px 10px 10px 10px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row align-middle align-center\"  id=\"row-1691990858\">\n\n\n\t<div id=\"col-1749916322\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"row align-middle align-center\"  id=\"row-284563785\">\n\n\n\t<div id=\"col-762647374\" class=\"col medium-7 small-12 large-7\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"row\"  id=\"row-1574871917\">\n\n\n\t<div id=\"col-1050890952\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-917069224\" class=\"text\">\n\t\t\n\n<p>Kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng \u0111\u1ed9t ng\u1ed9t. <a href=\"https:\/\/www.impacttesting.net\/vi\/astm-d3420\/\"><strong>ASTM D3420<\/strong><\/a>, ph\u01b0\u01a1ng ph\u00e1p th\u1eed ti\u00eau chu\u1ea9n cho <strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp theo ki\u1ec3u con l\u1eafc c\u1ee7a m\u00e0ng nh\u1ef1a<\/strong>, cung c\u1ea5p m\u1ed9t ti\u00eau chu\u1ea9n tham chi\u1ebfu thi\u1ebft y\u1ebfu \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp c\u1ee7a m\u00e0ng nh\u1ef1a. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch \u0111\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 \u0111\u00f3ng g\u00f3i, nh\u00e0 khoa h\u1ecdc v\u1eadt li\u1ec7u v\u00e0 chuy\u00ean gia ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, nh\u1eefng ng\u01b0\u1eddi mong mu\u1ed1n \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c lo\u1ea1i m\u00e0ng nh\u1ef1a \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee5 th\u1ec3 cho t\u1eebng \u1ee9ng d\u1ee5ng.<\/p>\n\t\t\n<style>\n#text-917069224 {\n  color: rgb(0, 0, 0);\n}\n#text-917069224 > * {\n  color: rgb(0, 0, 0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-260128887\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n<a href=\"https:\/\/www.impacttesting.net\/vi\/contact-us\/\" class=\"button primary is-outline\"  style=\"border-radius:99px;\">\n    <span>Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/span>\n  <i class=\"icon-chat\" aria-hidden=\"true\" ><\/i><\/a>\n\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1591118166\" class=\"col medium-5 small-12 large-5\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"row\"  id=\"row-1704436321\">\n\n\n\t<div id=\"col-1603085255\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1542894102\">\n\t\t<a class=\"\" href=\"https:\/\/www.impacttesting.net\/vi\/falling-dart-impact-tester\/\" >\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"600\" height=\"440\" src=\"https:\/\/www.impacttesting.net\/wp-content\/uploads\/2025\/12\/ASTM-D3420-Pendulum-Impact-Resistance-of-Plastic-Film.webp\" class=\"attachment-large size-large\" alt=\"Ti\u00eau chu\u1ea9n ASTM D3420: Kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp b\u1eb1ng con l\u1eafc c\u1ee7a m\u00e0ng nh\u1ef1a\" srcset=\"https:\/\/www.impacttesting.net\/wp-content\/uploads\/2025\/12\/ASTM-D3420-Pendulum-Impact-Resistance-of-Plastic-Film.webp 600w, https:\/\/www.impacttesting.net\/wp-content\/uploads\/2025\/12\/ASTM-D3420-Pendulum-Impact-Resistance-of-Plastic-Film-545x400.webp 545w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1542894102 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\n<style>\n#row-940374887 > .col > .col-inner {\n  border-radius: 25px;\n}\n<\/style>\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_657769654 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\t<section class=\"section\" id=\"section_1917068359\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-731112645\">\n\n\n\t<div id=\"col-800103418\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"row\"  id=\"row-1902210542\">\n\n\n\t<div id=\"col-1265812834\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-2088982518\" class=\"text\">\n\t\t\n\n<h2>Ti\u00eau chu\u1ea9n ASTM D3420 v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3<\/h2>\n\t\t\n<style>\n#text-2088982518 {\n  font-size: 1.3rem;\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1917911670\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p>Ti\u00eau chu\u1ea9n ASTM D3420 quy \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p \u0111o n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u00e2m th\u1ee7ng m\u1eabu m\u00e0ng nh\u1ef1a b\u1eb1ng thi\u1ebft b\u1ecb con l\u1eafc. N\u0103ng l\u01b0\u1ee3ng \u0111\u1ed9ng h\u1ecdc c\u1ee7a con l\u1eafc m\u00f4 ph\u1ecfng c\u00e1c l\u1ef1c th\u1ef1c t\u1ebf m\u00e0 m\u00e0ng nh\u1ef1a c\u00f3 th\u1ec3 ph\u1ea3i ch\u1ecbu, ch\u1eb3ng h\u1ea1n nh\u01b0 trong qu\u00e1 tr\u00ecnh \u0111\u00f3ng g\u00f3i, v\u1eadn chuy\u1ec3n ho\u1eb7c x\u1eed l\u00fd. K\u1ebft qu\u1ea3 ph\u1ea3n \u00e1nh h\u00e0nh vi k\u00e9o \u0111\u1ed9ng h\u1ecdc c\u1ee7a m\u00e0ng nh\u1ef1a, mang l\u1ea1i \u0111\u00e1nh gi\u00e1 th\u1ef1c t\u1ebf h\u01a1n so v\u1edbi c\u00e1c th\u1eed nghi\u1ec7m k\u00e9o t\u0129nh.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1639499492\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-2210932964\" class=\"text\">\n\t\t\n\n<h3>ASTM D3420 \u2013 Ti\u00eau chu\u1ea9n ASTM v\u1ec1 th\u1eed nghi\u1ec7m va \u0111\u1eadp \u0111\u1ed1i v\u1edbi nh\u1ef1a<\/h3>\n\t\t\n<style>\n#text-2210932964 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-2060026218\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p>Ti\u00eau chu\u1ea9n ASTM D3420 t\u1eadp trung c\u1ee5 th\u1ec3 v\u00e0o <strong>kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp ki\u1ec3u con l\u1eafc<\/strong>, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng \u0111i\u1ec1u c\u00f3 li\u00ean quan nh\u1ea5t <strong>C\u00e1c ti\u00eau chu\u1ea9n ASTM v\u1ec1 th\u1eed nghi\u1ec7m va \u0111\u1eadp \u0111\u1ed1i v\u1edbi nh\u1ef1a<\/strong>. M\u1eb7c d\u00f9 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nh\u01b0 ASTM D1709 ho\u1eb7c D4272 c\u0169ng ki\u1ec3m tra c\u00e1c t\u00ednh ch\u1ea5t t\u01b0\u01a1ng t\u1ef1, nh\u01b0ng ph\u01b0\u01a1ng ph\u00e1p D3420 l\u1ea1i c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m \u0111\u1eb7c bi\u1ec7t v\u00ec:<\/p>\n<ul>\n<li>N\u00f3 cho ph\u00e9p th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng cao h\u01a1n.<\/li>\n<li>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cung c\u1ea5p hai quy tr\u00ecnh th\u1eed nghi\u1ec7m (Quy tr\u00ecnh A v\u00e0 Quy tr\u00ecnh B) v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc m\u1eabu v\u00e0 \u0111\u1ea7u d\u00f2 kh\u00e1c nhau.<\/li>\n<li>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0a ra c\u00e1c k\u1ebft qu\u1ea3 d\u1ef1a tr\u00ean n\u0103ng l\u01b0\u1ee3ng, gi\u00fap hi\u1ec3u r\u00f5 c\u1ea3 qu\u00e1 tr\u00ecnh kh\u1edfi ph\u00e1t v\u00e0 lan truy\u1ec1n h\u01b0 h\u1ecfng.<\/li>\n<\/ul>\n<p>Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 c\u00e1c lo\u1ea1i m\u00e0ng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb <strong>polyethylene, polypropylene, PET<\/strong>, v\u00e0 c\u00e1c v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i th\u00f4ng d\u1ee5ng kh\u00e1c.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-914508156\">\n\n\n\t<div id=\"col-1376689143\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"row\"  id=\"row-1048697728\">\n\n\n\t<div id=\"col-1694607772\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-1394502506\" class=\"text\">\n\t\t\n\n<h2>M\u00e1y th\u1eed va \u0111\u1eadp b\u1eb1ng con l\u1eafc li\u00ean quan<\/h2>\n\t\t\n<style>\n#text-1394502506 {\n  font-size: 1.3rem;\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-445632633\">\n\n\n\t<div id=\"col-1199787640\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h3>Thi\u1ebft b\u1ecb v\u00e0 quy tr\u00ecnh th\u1eed nghi\u1ec7m<\/h3>\n<p>\u0110\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m theo ti\u00eau chu\u1ea9n ASTM D3420, b\u1ea1n s\u1ebd c\u1ea7n m\u1ed9t m\u00e1y th\u1eed va \u0111\u1eadp ki\u1ec3u con l\u1eafc \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n. Thi\u1ebft b\u1ecb n\u00e0y <a href=\"https:\/\/www.impacttesting.net\/vi\/pendulum-impact-tester\/\"><strong>PIT-01 M\u00e1y th\u1eed va \u0111\u1eadp b\u1eb1ng con l\u1eafc<\/strong><\/a> t\u1eeb <strong>Cell Instruments<\/strong> l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p tuy\u1ec7t v\u1eddi, tu\u00e2n th\u1ee7 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n ASTM D3420 v\u00e0 mang l\u1ea1i:<\/p>\n<ul>\n<li>\u0110o n\u0103ng l\u01b0\u1ee3ng v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao (t\u1eeb 0,5 J \u0111\u1ebfn 5,0 J)<\/li>\n<li>Tr\u1ecdng l\u01b0\u1ee3ng t\u00f9y ch\u1ecdn cho c\u00e1c d\u1ea3i ki\u1ec3m tra linh ho\u1ea1t<\/li>\n<li>M\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb k\u1ef9 thu\u1eadt s\u1ed1 gi\u00fap thu th\u1eadp d\u1eef li\u1ec7u d\u1ec5 d\u00e0ng<\/li>\n<li>Hai \u0111\u1ea7u \u0111\u1eadp c\u00f3 th\u1ec3 ho\u00e1n \u0111\u1ed5i cho nhau d\u00e0nh cho Quy tr\u00ecnh A (\u0111\u01b0\u1eddng k\u00ednh 60 mm) v\u00e0 Quy tr\u00ecnh B (\u0111\u01b0\u1eddng k\u00ednh 89 mm)<\/li>\n<\/ul>\n<p>Thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m c\u1ea7n \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean b\u1ec1 m\u1eb7t b\u1eb1ng ph\u1eb3ng v\u00e0 \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m v\u1edbi m\u1ee9c n\u0103ng l\u01b0\u1ee3ng cao h\u01a1n.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1379098358\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h3>Chu\u1ea9n b\u1ecb v\u00e0 x\u1eed l\u00fd m\u1eabu<\/h3>\n<p>Vi\u1ec7c chu\u1ea9n b\u1ecb m\u1eabu \u0111\u00fang c\u00e1ch s\u1ebd \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i. H\u00e3y l\u00e0m theo c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<ul>\n<li><strong>Lo\u1ea1i m\u1eabu<\/strong>: S\u1eed d\u1ee5ng c\u00e1c m\u1eabu m\u00e0ng h\u00ecnh tr\u00f2n ho\u1eb7c h\u00ecnh vu\u00f4ng \u2014 \u0111\u01b0\u1eddng k\u00ednh 100 mm ho\u1eb7c k\u00edch th\u01b0\u1edbc 100\u00d7100 mm.<\/li>\n<li><strong>\u0110\u1ed9 d\u00e0y<\/strong>: D\u00f9ng micromet \u0111\u1ec3 \u0111o v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ebfn 0,00125 mm.<\/li>\n<li><strong>T\u1eadp luy\u1ec7n th\u1ec3 l\u1ef1c<\/strong>: Th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ki\u1ec7n h\u00f3a m\u1eabu th\u1eed \u1edf nhi\u1ec7t \u0111\u1ed9 23 \u00b1 2\u00b0C v\u00e0 \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i 50 \u00b1 10% (theo ti\u00eau chu\u1ea9n ASTM D618) trong \u00edt nh\u1ea5t 40 gi\u1edd.<\/li>\n<\/ul>\n<p>\u0110\u1ea3m b\u1ea3o c\u00e1c m\u1eabu \u0111\u01b0\u1ee3c <strong>kh\u00f4ng c\u00f3 n\u1ebfp g\u1ea5p, khuy\u1ebft t\u1eadt hay \u0111\u1ed9 d\u00e0y kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u<\/strong>, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m sai l\u1ec7ch k\u1ebft qu\u1ea3.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-257065073\">\n\n\n\t<div id=\"col-1678925672\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"row\"  id=\"row-498861466\">\n\n\n\t<div id=\"col-1003162318\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"row\"  id=\"row-45549898\">\n\n\n\t<div id=\"col-1293328865\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-380120981\" class=\"text\">\n\t\t\n\n<h2>T\u1ed5ng quan v\u1ec1 quy tr\u00ecnh th\u1eed nghi\u1ec7m va \u0111\u1eadp b\u1eb1ng con l\u1eafc<\/h2>\n\t\t\n<style>\n#text-380120981 {\n  font-size: 1.3rem;\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row align-bottom align-center\"  id=\"row-1096283693\">\n\n\n\t<div id=\"col-1470676470\" class=\"col medium-7 small-12 large-7\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<ol>\n<li><strong>K\u1eb9p m\u1eabu th\u1eed<\/strong> gi\u1eefa hai t\u1ea5m tr\u00f2n.<\/li>\n<li><strong>N\u00e2ng v\u00e0 kh\u00f3a con l\u1eafc l\u1ea1i<\/strong> v\u1ec1 v\u1ecb tr\u00ed ban \u0111\u1ea7u.<\/li>\n<li><strong>\u0110\u1eb7t l\u1ea1i ch\u1ec9 s\u1ed1 v\u1ec1 0<\/strong> v\u00e0 ki\u1ec3m tra xem c\u00e1c b\u1ed9 ph\u1eadn \u0111\u00e3 \u0111\u01b0\u1ee3c c\u0103n ch\u1ec9nh \u0111\u00fang ch\u01b0a.<\/li>\n<li><strong>Th\u1ea3 con l\u1eafc ra<\/strong> \u0111\u1ec3 t\u00e1c \u0111\u1ed9ng v\u00e0o t\u00e2m c\u1ee7a m\u1eabu th\u1eed.<\/li>\n<li><strong>Xem gi\u00e1 tr\u1ecb n\u0103ng l\u01b0\u1ee3ng<\/strong> t\u1eeb m\u1eb7t s\u1ed1 k\u1ef9 thu\u1eadt s\u1ed1 ho\u1eb7c analog.<\/li>\n<\/ol>\n<p>L\u1eb7p l\u1ea1i th\u1eed nghi\u1ec7m n\u00e0y tr\u00ean \u00edt nh\u1ea5t n\u0103m m\u1eabu \u0111\u1ec3 t\u00ednh \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb trung b\u00ecnh d\u00f9ng cho b\u00e1o c\u00e1o.<\/p>\n<p>L\u01b0u \u00fd: N\u1ebfu con l\u1eafc kh\u00f4ng \u0111\u00e2m th\u1ee7ng m\u00e0ng, h\u00e3y t\u0103ng n\u0103ng l\u01b0\u1ee3ng va ch\u1ea1m b\u1eb1ng c\u00e1ch th\u00eam tr\u1ecdng l\u01b0\u1ee3ng ph\u1ee5 ho\u1eb7c s\u1eed d\u1ee5ng m\u1eabu m\u1ecfng h\u01a1n.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-48690955\" class=\"col medium-5 small-12 large-5\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"video video-fit mb\" style=\"padding-top:56.25%;\"><iframe title=\"M\u00e1y th\u1eed va \u0111\u1eadp ki\u1ec3u con l\u1eafc ASTM D3420 d\u00e0nh cho m\u00e0ng v\u00e0 t\u1ea5m nh\u1ef1a\" width=\"1020\" height=\"574\" src=\"https:\/\/www.youtube.com\/embed\/vEx4esxMESw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-854031762\">\n\n\n\t<div id=\"col-834828069\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"row\"  id=\"row-720061186\">\n\n\n\t<div id=\"col-1051539952\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"row\"  id=\"row-9895641\">\n\n\n\t<div id=\"col-277802022\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-3346540798\" class=\"text\">\n\t\t\n\n<h2>Gi\u1ea3i th\u00edch d\u1eef li\u1ec7u v\u00e0 ph\u00e2n t\u00edch k\u1ebft qu\u1ea3<\/h2>\n\t\t\n<style>\n#text-3346540798 {\n  font-size: 1.3rem;\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row align-middle align-center\"  id=\"row-5264996\">\n\n\n\t<div id=\"col-779754085\" class=\"col medium-5 small-12 large-5\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<ol>\n<li>K\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng th\u1ec3 hi\u1ec7n l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng (t\u00ednh b\u1eb1ng joule) c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m th\u1ee7ng m\u00e0ng. \u0110\u00e2y l\u00e0 th\u01b0\u1edbc \u0111o tr\u1ef1c ti\u1ebfp kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u1ee7a v\u1eadt li\u1ec7u. C\u00e1c gi\u00e1 tr\u1ecb cao h\u01a1n cho th\u1ea5y m\u00e0ng c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n.<\/li>\n<li>Khi so s\u00e1nh c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u ho\u1eb7c c\u00e1c l\u00f4 s\u1ea3n ph\u1ea9m, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u00e0y, \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 k\u1eb9p lu\u00f4n nh\u1ea5t qu\u00e1n \u0111\u1ec3 lo\u1ea1i b\u1ecf s\u1ef1 bi\u1ebfn \u0111\u1ed9ng.<\/li>\n<\/ol>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1834331730\" class=\"col medium-5 small-12 large-5\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1720604446\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"600\" height=\"440\" src=\"https:\/\/www.impacttesting.net\/wp-content\/uploads\/2025\/12\/ASTM-D3420-Pendulum-Impact-Resistance-of-Plastic-Film.webp\" class=\"attachment-large size-large\" alt=\"Ti\u00eau chu\u1ea9n ASTM D3420: Kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp b\u1eb1ng con l\u1eafc c\u1ee7a m\u00e0ng nh\u1ef1a\" srcset=\"https:\/\/www.impacttesting.net\/wp-content\/uploads\/2025\/12\/ASTM-D3420-Pendulum-Impact-Resistance-of-Plastic-Film.webp 600w, https:\/\/www.impacttesting.net\/wp-content\/uploads\/2025\/12\/ASTM-D3420-Pendulum-Impact-Resistance-of-Plastic-Film-545x400.webp 545w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1720604446 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1917068359 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\t<section class=\"section\" id=\"section_1480563843\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-236467161\">\n\n\n\t<div id=\"col-796332057\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"row align-center\"  id=\"row-67090431\">\n\n\n\t<div id=\"col-542301154\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-1507386269\" class=\"text\">\n\t\t\n\n<h2>T\u1ea1i sao n\u00ean ch\u1ecdn d\u1ecbch v\u1ee5 c\u1ee7a Impacttesting.net?<br \/>PIT-01 M\u00e1y th\u1eed va \u0111\u1eadp b\u1eb1ng con l\u1eafc<\/h2>\n\t\t\n<style>\n#text-1507386269 {\n  font-size: 1.4rem;\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-196568470\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p>C\u00e1i <a href=\"https:\/\/www.impacttesting.net\/vi\/pendulum-impact-tester\/\"><strong>PIT-01 M\u00e1y th\u1eed va \u0111\u1eadp b\u1eb1ng con l\u1eafc<\/strong><\/a> V\u1edbi c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn v\u00e0 giao di\u1ec7n th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng, Impacttesting.net l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho:<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1500571508\" class=\"col medium-7 small-12 large-7\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-4246617393\" class=\"text\">\n\t\t\n\n<p>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng m\u00e0ng bao b\u00ec<br \/>Th\u1eed nghi\u1ec7m nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n trong ph\u00f2ng th\u00ed nghi\u1ec7m<br \/>Tu\u00e2n th\u1ee7 <a href=\"https:\/\/www.impacttesting.net\/vi\/astm-d3420\/\"><strong>ASTM D3420<\/strong><\/a> v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n li\u00ean quan<\/p>\n\t\t\n<style>\n#text-4246617393 {\n  font-size: 1.1rem;\n  line-height: 1.3;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-3034229848\" class=\"text\">\n\t\t\n\n<p>Khi \u00e1p d\u1ee5ng PIT-01, ng\u01b0\u1eddi d\u00f9ng s\u1ebd c\u00f3 th\u00eam ni\u1ec1m tin v\u00e0o <strong>\u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111\u1ed9 l\u1eb7p l\u1ea1i v\u00e0 hi\u1ec7u qu\u1ea3<\/strong> c\u1ee7a c\u00e1c quy tr\u00ecnh th\u1eed nghi\u1ec7m t\u00e1c \u0111\u1ed9ng c\u1ee7a h\u1ecd.<\/p>\n\t\t\n<style>\n#text-3034229848 {\n  font-size: 1.1rem;\n}\n<\/style>\n\t<\/div>\n\t\n<a href=\"https:\/\/www.impacttesting.net\/vi\/contact-us\/\" class=\"button primary is-outline\"  style=\"border-radius:99px;\">\n    <span>Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/span>\n  <i class=\"icon-chat\" aria-hidden=\"true\" 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241);\n}\n<\/style>\n\t<\/section>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"footnotes":""},"class_list":["post-59","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.impacttesting.net\/vi\/wp-json\/wp\/v2\/pages\/59","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.impacttesting.net\/vi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.impacttesting.net\/vi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.impacttesting.net\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.impacttesting.net\/vi\/wp-json\/wp\/v2\/comments?post=59"}],"version-history":[{"count":5,"href":"https:\/\/www.impacttesting.net\/vi\/wp-json\/wp\/v2\/pages\/59\/revisions"}],"predecessor-version":[{"id":75,"href":"https:\/\/www.impacttesting.net\/vi\/wp-json\/wp\/v2\/pages\/59\/revisions\/75"}],"wp:attachment":[{"href":"https:\/\/www.impacttesting.net\/vi\/wp-json\/wp\/v2\/media?parent=59"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}