{"id":9837,"date":"2026-02-24T15:11:44","date_gmt":"2026-02-24T07:11:44","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/astm-d3420-2\/"},"modified":"2026-04-16T09:53:06","modified_gmt":"2026-04-16T01:53:06","slug":"astm-d3420","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/da\/standard\/astm-d3420\/","title":{"rendered":"ASTM D3420"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Forst\u00e5else af ASTM D3420 og dens betydning<\/h2>\n\n\n\n<p>ASTM D3420 er en bredt anerkendt standard, der bruges til at bestemme <em data-start=\"507\" data-end=\"561\">Plastfilmmaterialers modstandsdygtighed over for pendulslag<\/em>. Den simulerer slagforhold i den virkelige verden for at vurdere en films sejhed, is\u00e6r til anvendelser inden for emballage, medicin og forbrugsvarer. Denne vejledning forklarer, hvordan man udf\u00f8rer testen ved hj\u00e6lp af en <strong data-start=\"760\" data-end=\"791\">film pendul slagpr\u00f8veapparat<\/strong>som f.eks. <strong data-start=\"805\" data-end=\"838\">Cell Instruments Model <a href=\"https:\/\/www.packqc.com\/da\/product-category\/pendulum-impact-tester\/\">PIT-01<\/a><\/strong>og giver indsigt i <strong data-start=\"871\" data-end=\"894\">Spencer slagpr\u00f8ve<\/strong>procedurer, beregninger og rapporteringsmetoder.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"ASTM D3420 Pendulslagtester til slagtester af plastfolieplader\" width=\"500\" height=\"281\" 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<\/div><\/figure>\n\n\n\n<p>Disse testmetoder er afg\u00f8rende for evalueringen af plastfoliers sejhed og kvalitet og anvendes i vid udstr\u00e6kning i forskellige brancher, herunder emballage og f\u00f8devaresikkerhed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Plastfilms modstandsdygtighed over for pendulslag: Oversigt over test<\/h2>\n\n\n\n<p>Denne metode m\u00e5ler <strong data-start=\"1643\" data-end=\"1665\">energi (i joule)<\/strong> der kr\u00e6ves for, at et halvkugleformet pendulhoved bryder en filmpr\u00f8ve, der holdes mellem cirkul\u00e6re klemmer. ASTM D3420 omfatter to procedurer:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"1805\" data-end=\"1821\">Procedure A:<\/strong> Bruger en 60 mm bl\u00e6nde og et slaghoved med en diameter p\u00e5 25,4 mm.<\/li>\n\n\n\n<li><strong data-start=\"1884\" data-end=\"1922\">Procedure B (Spencer Impact Test):<\/strong> Bruger en 89 mm bl\u00e6nde og et slaghoved med en diameter p\u00e5 19 mm.<\/li>\n<\/ul>\n\n\n\n<p>Begge procedurer bruger en kalibreret <strong data-start=\"2016\" data-end=\"2047\">film pendul slagpr\u00f8veapparat<\/strong> for at m\u00e5le den energi, der overf\u00f8res under slaget.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ops\u00e6tning og specifikationer for film-pendulslagtester<\/h2>\n\n\n\n<p>For at udf\u00f8re ASTM D3420 effektivt skal du bruge en certificeret pendulslagstester, der overholder standardens krav til apparater. Cell Instruments' <strong data-start=\"2308\" data-end=\"2324\">Model <a href=\"https:\/\/www.packqc.com\/da\/product-category\/pendulum-impact-tester\/\">PIT-01<\/a><\/strong> er et ideelt valg til professionelle laboratorier og tilbyder:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mulighed for flere energiomr\u00e5der (0,5 til 5,0 J)<\/li>\n\n\n\n<li>Analoge eller digitale udl\u00e6sninger<\/li>\n\n\n\n<li>O-ring klemmesystem for at forhindre glidning<\/li>\n\n\n\n<li>Justerbare pendulv\u00e6gte til forskellige filmtyper<\/li>\n<\/ul>\n\n\n\n<p>For optimal n\u00f8jagtighed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u00f8rg for korrekt nivellering af udstyret.<\/li>\n\n\n\n<li>Nulstil skiven eller den digitale skala f\u00f8r hver test.<\/li>\n\n\n\n<li>Bekr\u00e6ft kalibrering i henhold til <a href=\"https:\/\/store.astm.org\/d3420-21.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D1922<\/a> eller producentens vejledning.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Rapportering af testresultater<\/h2>\n\n\n\n<p>Din rapport skal indeholde:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pr\u00f8veidentifikation og testbetingelser<\/li>\n\n\n\n<li>Anvendt procedure (A eller B)<\/li>\n\n\n\n<li>Antal testede pr\u00f8ver<\/li>\n\n\n\n<li><strong data-start=\"3672\" data-end=\"3701\">Gennemsnitlig anslagsenergi (J)<\/strong><\/li>\n\n\n\n<li>Gennemsnitlig pr\u00f8vetykkelse<\/li>\n\n\n\n<li><strong data-start=\"3733\" data-end=\"3769\">Standardafvigelse (hvis p\u00e5kr\u00e6vet)<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Registrering af milj\u00f8data som <strong data-start=\"3805\" data-end=\"3833\">temperatur og luftfugtighed<\/strong> er afg\u00f8rende for reproducerbarheden.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Gennemf\u00f8relse af Spencer Impact Test<\/h2>\n\n\n\n<p>De <strong data-start=\"2790\" data-end=\"2813\">Spencer slagpr\u00f8ve<\/strong> (Procedure B) bruges ofte til tykkere eller mere holdbare film. Her er en kort trin-for-trin gennemgang:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong data-start=\"2913\" data-end=\"2936\">Tilstandspr\u00f8ver<\/strong> til 23 \u00b1 2\u00b0C og 50 \u00b1 10% RH.<\/li>\n\n\n\n<li><strong data-start=\"2969\" data-end=\"2990\">M\u00e5l tykkelse<\/strong> pr\u00e6cist ved hj\u00e6lp af et mikrometer (\u00b10,00025 mm).<\/li>\n\n\n\n<li><strong data-start=\"3038\" data-end=\"3055\">Klip og monter<\/strong> pr\u00f8ver ved hj\u00e6lp af en 89 mm \u00e5bning og O-ringsklemme.<\/li>\n\n\n\n<li><strong data-start=\"3111\" data-end=\"3132\">L\u00f8ft og slip<\/strong> pendulet fra den l\u00e5ste position.<\/li>\n\n\n\n<li><strong data-start=\"3176\" data-end=\"3198\">Observer og registrer<\/strong> den energi, der absorberes for at bryde filmen.<\/li>\n\n\n\n<li><strong data-start=\"3243\" data-end=\"3281\">Gentag med mindst fem pr\u00f8ver<\/strong> og beregn gennemsnittet.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"ASTM D3420 Pendulslagtester til slagtester af plastfolieplader\" width=\"500\" height=\"281\" 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<\/div><\/figure>\n\n\n\n<p><strong data-start=\"3310\" data-end=\"3356\">Beregning af anslagsenergi for procedure B:<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em data-start=\"3360\" data-end=\"3379\">E = (R \/ 100) \u00d7 C<\/em><br data-start=\"3379\" data-end=\"3382\">Hvor?<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em style=\"font-size: 16px;\" data-start=\"3393\" data-end=\"3396\">E<\/em> = energi i joule<\/li>\n\n\n\n<li><em style=\"font-size: 16px;\" data-start=\"3420\" data-end=\"3423\">R<\/em> = afl\u00e6sning p\u00e5 skalaen (0-100)<\/li>\n\n\n\n<li><em style=\"font-size: 16px;\" data-start=\"3452\" data-end=\"3455\">C<\/em> = testerens kapacitet (f.eks. 0,17, 0,34, 0,67 J osv.)<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Valg af den bedste pendulslagtester<\/h2>\n\n\n\n<p>N\u00f8jagtig testning <strong data-start=\"4573\" data-end=\"4619\">Plastfilms modstandsdygtighed over for pendulslag<\/strong> Brug af ASTM D3420 er afg\u00f8rende for at sikre materialets ydeevne i kr\u00e6vende milj\u00f8er. Ved at f\u00f8lge de beskrevne procedurer og bruge et p\u00e5lideligt instrument som <strong data-start=\"4788\" data-end=\"4815\"><a href=\"https:\/\/www.packqc.com\/da\/\">Celleinstrumenter<\/a> PIT-01<\/strong>kan laboratorier og producenter opn\u00e5 <strong data-start=\"4852\" data-end=\"4908\">gentagelige, pr\u00e6cise og standardoverensstemmende resultater<\/strong>. Det er med til at sikre produktsikkerheden, forbedre emballagens p\u00e5lidelighed og sikre overholdelse af internationale standarder.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\tKontakt os F\u00e5 ASTM D3420 testl\u00f8sning\t\t\t\t<\/h2>\n\n\n\n<p>Forst\u00e5else og anvendelse af ASTM D3420 Pendulum I<strong data-start=\"4289\" data-end=\"4316\">mpact Testmetode<\/strong> sikrer plastfoliers p\u00e5lidelighed og sikkerhed i den virkelige verden. Med robuste testprocedurer kan fagfolk med sikkerhed evaluere filmens slagfasthed, hvilket hj\u00e6lper med at drive produktforbedringer og opretholde standarder af h\u00f8j kvalitet.<\/p>\n\n\n\n<p>For mere information om <strong data-start=\"4646\" data-end=\"4673\">Cell Instruments PIT-01<\/strong> eller for at diskutere skr\u00e6ddersyede testbehov, s\u00e5 kontakt vores tekniske team i dag!<\/p>","protected":false},"excerpt":{"rendered":"<p>Forst\u00e5else af ASTM D3420 og dens betydning ASTM D3420 er en bredt anerkendt standard, der bruges til at bestemme plastfilmmaterialers modstandsdygtighed over for pendulslag. Den simulerer slagforhold i den virkelige verden for at vurdere en films sejhed, is\u00e6r til anvendelser inden for emballage, medicin og forbrugsvarer. Denne vejledning forklarer, hvordan man udf\u00f8rer testen ved hj\u00e6lp af et filmpendul [...]<\/p>","protected":false},"featured_media":10016,"parent":0,"template":"","meta":{"_acf_changed":true,"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":"","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":""}}},"standard-category":[611],"class_list":["post-9837","standard","type-standard","status-publish","has-post-thumbnail","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/da\/wp-json\/wp\/v2\/standard\/9837","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/da\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/da\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/da\/wp-json\/wp\/v2\/media\/10016"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/da\/wp-json\/wp\/v2\/media?parent=9837"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/da\/wp-json\/wp\/v2\/standard-category?post=9837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}