{"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\/sv\/standard\/astm-d3420\/","title":{"rendered":"ASTM D3420"},"content":{"rendered":"<h2 class=\"wp-block-heading\">F\u00f6rst\u00e5 ASTM D3420 och dess betydelse<\/h2>\n\n\n\n<p>ASTM D3420 \u00e4r en allm\u00e4nt erk\u00e4nd standard som anv\u00e4nds f\u00f6r att best\u00e4mma <em data-start=\"507\" data-end=\"561\">motst\u00e5ndskraft mot pendelslag hos plastfilmmaterial<\/em>. Det simulerar verkliga slagf\u00f6rh\u00e5llanden f\u00f6r att bed\u00f6ma en films seghet, s\u00e4rskilt f\u00f6r applikationer inom f\u00f6rpackning, medicin och konsumentvaror. Den h\u00e4r guiden f\u00f6rklarar hur du utf\u00f6r testet med hj\u00e4lp av en <strong data-start=\"760\" data-end=\"791\">slagprovare f\u00f6r filmpendel<\/strong>, som till exempel <strong data-start=\"805\" data-end=\"838\">Cell Instruments Modell <a href=\"https:\/\/www.packqc.com\/sv\/product-category\/pendulum-impact-tester\/\">PIT-01<\/a><\/strong>, och ger insikter i hur <strong data-start=\"871\" data-end=\"894\">Spencer slagprov<\/strong>, f\u00f6rfaranden, ber\u00e4kningar och 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 Pendulum Impact Tester f\u00f6r plastfilmer ark Impact Tester\" 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>Dessa testmetoder \u00e4r avg\u00f6rande f\u00f6r att utv\u00e4rdera seghet och kvalitet hos plastfilmer och anv\u00e4nds i stor utstr\u00e4ckning inom olika branscher, inklusive f\u00f6rpacknings- och livsmedelss\u00e4kerhetsapplikationer.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pendelslagh\u00e5llfasthet hos plastfilm: Test\u00f6versikt<\/h2>\n\n\n\n<p>Denna metod m\u00e4ter <strong data-start=\"1643\" data-end=\"1665\">energi (i joule)<\/strong> som kr\u00e4vs f\u00f6r att ett halvklotformigt pendelhuvud ska bryta en filmprovkropp som h\u00e5lls mellan cirkul\u00e4ra kl\u00e4mmor. ASTM D3420 inneh\u00e5ller tv\u00e5 procedurer:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"1805\" data-end=\"1821\">F\u00f6rfarande A:<\/strong> Anv\u00e4nder en 60 mm bl\u00e4ndare och ett slaghuvud med 25,4 mm diameter.<\/li>\n\n\n\n<li><strong data-start=\"1884\" data-end=\"1922\">F\u00f6rfarande B (Spencer Impact Test):<\/strong> Anv\u00e4nder en 89 mm bl\u00e4ndare och ett slaghuvud med en diameter p\u00e5 19 mm.<\/li>\n<\/ul>\n\n\n\n<p>B\u00e5da metoderna anv\u00e4nder en kalibrerad <strong data-start=\"2016\" data-end=\"2047\">slagprovare f\u00f6r filmpendel<\/strong> f\u00f6r att m\u00e4ta energi som \u00f6verf\u00f6rs vid islag.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Installation och specifikationer f\u00f6r slagprovning med filmpendel<\/h2>\n\n\n\n<p>F\u00f6r att utf\u00f6ra ASTM D3420 p\u00e5 ett effektivt s\u00e4tt ska du anv\u00e4nda en certifierad pendelslagprovare som uppfyller standardens apparatkrav. Cell Instruments\u2019 <strong data-start=\"2308\" data-end=\"2324\">Modell <a href=\"https:\/\/www.packqc.com\/sv\/product-category\/pendulum-impact-tester\/\">PIT-01<\/a><\/strong> \u00e4r ett perfekt val f\u00f6r professionella laboratorier och erbjuder:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Flera alternativ f\u00f6r energiintervall (0,5 till 5,0 J)<\/li>\n\n\n\n<li>Analoga eller digitala avl\u00e4sningar<\/li>\n\n\n\n<li>O-ring kl\u00e4msystem f\u00f6r att f\u00f6rhindra glidning<\/li>\n\n\n\n<li>Justerbara pendelvikter f\u00f6r olika filmtyper<\/li>\n<\/ul>\n\n\n\n<p>F\u00f6r optimal noggrannhet:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u00e4kerst\u00e4ll korrekt nivellering av utrustningen.<\/li>\n\n\n\n<li>Nollst\u00e4ll m\u00e4taren eller den digitala skalan f\u00f6re varje test.<\/li>\n\n\n\n<li>Verifiera kalibreringen enligt <a href=\"https:\/\/store.astm.org\/d3420-21.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D1922<\/a> eller tillverkarens anvisningar.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Rapportering av testresultat<\/h2>\n\n\n\n<p>Din rapport b\u00f6r inneh\u00e5lla:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Identifiering av prov och testf\u00f6rh\u00e5llanden<\/li>\n\n\n\n<li>Anv\u00e4nd metod (A eller B)<\/li>\n\n\n\n<li>Antal provkroppar som testats<\/li>\n\n\n\n<li><strong data-start=\"3672\" data-end=\"3701\">Genomsnittlig slagenergi (J)<\/strong><\/li>\n\n\n\n<li>Genomsnittlig provkroppstjocklek<\/li>\n\n\n\n<li><strong data-start=\"3733\" data-end=\"3769\">Standardavvikelse (om s\u00e5 kr\u00e4vs)<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Registrering av milj\u00f6data som <strong data-start=\"3805\" data-end=\"3833\">temperatur och luftfuktighet<\/strong> \u00e4r avg\u00f6rande f\u00f6r reproducerbarheten.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Utf\u00f6rande av Spencer Impact Test<\/h2>\n\n\n\n<p>De <strong data-start=\"2790\" data-end=\"2813\">Spencer slagprov<\/strong> (Procedur B) anv\u00e4nds vanligen f\u00f6r tjockare eller mer h\u00e5llbara filmer. H\u00e4r \u00e4r en kort steg-f\u00f6r-steg beskrivning:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong data-start=\"2913\" data-end=\"2936\">Prover i skick<\/strong> till 23 \u00b1 2\u00b0C och 50 \u00b1 10% RH.<\/li>\n\n\n\n<li><strong data-start=\"2969\" data-end=\"2990\">M\u00e4t tjockleken<\/strong> exakt med hj\u00e4lp av en mikrometer (\u00b10,00025 mm).<\/li>\n\n\n\n<li><strong data-start=\"3038\" data-end=\"3055\">Klipp och montera<\/strong> prover med en 89 mm bl\u00e4ndare och O-ringskl\u00e4mma.<\/li>\n\n\n\n<li><strong data-start=\"3111\" data-end=\"3132\">H\u00f6jning och s\u00e4nkning<\/strong> pendeln fr\u00e5n det sp\u00e4rrade l\u00e4get.<\/li>\n\n\n\n<li><strong data-start=\"3176\" data-end=\"3198\">Observera och registrera<\/strong> den energi som absorberas f\u00f6r att filmen ska brista.<\/li>\n\n\n\n<li><strong data-start=\"3243\" data-end=\"3281\">Upprepa f\u00f6r minst fem exemplar<\/strong> och ber\u00e4kna genomsnittet.<\/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 Pendulum Impact Tester f\u00f6r plastfilmer ark Impact Tester\" 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\">Ber\u00e4kning av slagenergi f\u00f6r procedur 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\">Var?<\/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> = avl\u00e4sning p\u00e5 skala (0-100)<\/li>\n\n\n\n<li><em style=\"font-size: 16px;\" data-start=\"3452\" data-end=\"3455\">C<\/em> = testarens kapacitet (t.ex. 0,17, 0,34, 0,67 J, etc.)<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Att v\u00e4lja den b\u00e4sta pendelslagprovaren<\/h2>\n\n\n\n<p>Noggrann testning <strong data-start=\"4573\" data-end=\"4619\">motst\u00e5nd mot pendelslag hos plastfilm<\/strong> med ASTM D3420 \u00e4r avg\u00f6rande f\u00f6r att s\u00e4kerst\u00e4lla materialprestanda i kr\u00e4vande milj\u00f6er. Genom att f\u00f6lja de beskrivna procedurerna och anv\u00e4nda ett tillf\u00f6rlitligt instrument som <strong data-start=\"4788\" data-end=\"4815\"><a href=\"https:\/\/www.packqc.com\/sv\/\">Cellinstrument<\/a> PIT-01<\/strong>, kan laboratorier och tillverkare uppn\u00e5 <strong data-start=\"4852\" data-end=\"4908\">repeterbara, exakta och standardiserade resultat<\/strong>. Detta bidrar till att garantera produkts\u00e4kerhet, f\u00f6rb\u00e4ttra f\u00f6rpackningens tillf\u00f6rlitlighet och uppr\u00e4tth\u00e5lla \u00f6verensst\u00e4mmelse med internationella standarder.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\tKontakta oss F\u00e5 ASTM D3420 testl\u00f6sning\t\t\t\t<\/h2>\n\n\n\n<p>F\u00f6rst\u00e5 och till\u00e4mpa ASTM D3420 Pendulum I<strong data-start=\"4289\" data-end=\"4316\">p\u00e5verkan Testmetod<\/strong> s\u00e4kerst\u00e4ller tillf\u00f6rlitligheten och s\u00e4kerheten hos plastfilmer i verkliga till\u00e4mpningar. Med robusta testprocedurer kan yrkesverksamma med s\u00e4kerhet utv\u00e4rdera filmens slagt\u00e5lighet, vilket bidrar till att driva produktf\u00f6rb\u00e4ttringar och uppr\u00e4tth\u00e5lla h\u00f6gkvalitativa standarder.<\/p>\n\n\n\n<p>F\u00f6r mer information om <strong data-start=\"4646\" data-end=\"4673\">Cell Instruments PIT-01<\/strong> eller f\u00f6r att diskutera kundanpassade testbehov, kontakta v\u00e5rt tekniska team idag!<\/p>","protected":false},"excerpt":{"rendered":"<p>F\u00f6rst\u00e5 ASTM D3420 och dess betydelse ASTM D3420 \u00e4r en allm\u00e4nt erk\u00e4nd standard som anv\u00e4nds f\u00f6r att best\u00e4mma pendelimpaktmotst\u00e5ndet hos plastfilmmaterial. Den simulerar verkliga slagf\u00f6rh\u00e5llanden f\u00f6r att bed\u00f6ma en films seghet, s\u00e4rskilt f\u00f6r applikationer inom f\u00f6rpackning, medicin och konsumentvaror. Den h\u00e4r guiden f\u00f6rklarar hur man utf\u00f6r testet med hj\u00e4lp av en filmpendel [...]<\/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\/sv\/wp-json\/wp\/v2\/standard\/9837","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/sv\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/sv\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/sv\/wp-json\/wp\/v2\/media\/10016"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/sv\/wp-json\/wp\/v2\/media?parent=9837"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/sv\/wp-json\/wp\/v2\/standard-category?post=9837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}