{"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\/ro\/standard\/astm-d3420\/","title":{"rendered":"ASTM D3420"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u00cen\u021belegerea ASTM D3420 \u0219i a importan\u021bei sale<\/h2>\n\n\n\n<p>ASTM D3420 este un standard recunoscut pe scar\u0103 larg\u0103 utilizat pentru a determina <em data-start=\"507\" data-end=\"561\">rezisten\u021ba la impact prin pendulare a materialelor din folie de plastic<\/em>. Acesta simuleaz\u0103 condi\u021bii reale de impact pentru a evalua duritatea unui film, \u00een special pentru aplica\u021bii \u00een ambalaje, produse medicale \u0219i bunuri de consum. Acest ghid explic\u0103 modul de efectuare a testului folosind un <strong data-start=\"760\" data-end=\"791\">tester de impact cu pendul de film<\/strong>, cum ar fi <strong data-start=\"805\" data-end=\"838\">Model Cell Instruments <a href=\"https:\/\/www.packqc.com\/ro\/product-category\/pendulum-impact-tester\/\">PIT-01<\/a><\/strong>, \u0219i ofer\u0103 o perspectiv\u0103 asupra <strong data-start=\"871\" data-end=\"894\">Test de impact Spencer<\/strong>, proceduri, calcule \u0219i metode de raportare.<\/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 Tester de impact Pendulum pentru filme din plastic Foi de 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>Aceste metode de testare sunt esen\u021biale \u00een evaluarea rezisten\u021bei \u0219i calit\u0103\u021bii filmelor din plastic \u0219i sunt adoptate pe scar\u0103 larg\u0103 \u00een diverse industrii, inclusiv \u00een aplica\u021bii de ambalare \u0219i siguran\u021b\u0103 alimentar\u0103.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Rezisten\u021ba la impact cu pendul a foliei din plastic: Prezentare general\u0103 a testelor<\/h2>\n\n\n\n<p>Aceast\u0103 metod\u0103 m\u0103soar\u0103 <strong data-start=\"1643\" data-end=\"1665\">energie (\u00een jouli)<\/strong> necesare pentru ca un cap cu pendul emisferic s\u0103 rup\u0103 o prob\u0103 de film \u021binut\u0103 \u00eentre cleme circulare. ASTM D3420 include dou\u0103 proceduri:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"1805\" data-end=\"1821\">Procedura A:<\/strong> Utilizeaz\u0103 o deschidere de 60 mm \u0219i un cap de impact cu diametrul de 25,4 mm.<\/li>\n\n\n\n<li><strong data-start=\"1884\" data-end=\"1922\">Procedura B (testul de impact Spencer):<\/strong> Utilizeaz\u0103 o deschidere de 89 mm \u0219i un cap de impact cu diametrul de 19 mm.<\/li>\n<\/ul>\n\n\n\n<p>Ambele proceduri utilizeaz\u0103 un aparat calibrat <strong data-start=\"2016\" data-end=\"2047\">tester de impact cu pendul de film<\/strong> pentru a m\u0103sura energia transferat\u0103 \u00een timpul impactului.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Configurarea \u0219i specifica\u021biile testerului de impact cu pendul de film<\/h2>\n\n\n\n<p>Pentru a efectua ASTM D3420 \u00een mod eficient, utiliza\u021bi un aparat de testare a impactului cu pendul certificat care respect\u0103 cerin\u021bele standardului privind aparatura. Cell Instruments\u2019 <strong data-start=\"2308\" data-end=\"2324\">Model <a href=\"https:\/\/www.packqc.com\/ro\/product-category\/pendulum-impact-tester\/\">PIT-01<\/a><\/strong> este o alegere ideal\u0103 pentru laboratoarele profesionale, oferind:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Op\u021biuni multiple de gam\u0103 de energie (0,5 p\u00e2n\u0103 la 5,0 J)<\/li>\n\n\n\n<li>Afi\u0219aje analogice sau digitale<\/li>\n\n\n\n<li>Sistem de prindere O-ring pentru a preveni alunecarea<\/li>\n\n\n\n<li>Greut\u0103\u021bi reglabile ale pendulului pentru diferite tipuri de filme<\/li>\n<\/ul>\n\n\n\n<p>Pentru o precizie optim\u0103:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Asigura\u021bi nivelarea corespunz\u0103toare a echipamentului.<\/li>\n\n\n\n<li>Reseta\u021bi cadranul sau scara digital\u0103 \u00eenainte de fiecare test.<\/li>\n\n\n\n<li>Verifica\u021bi calibrarea conform <a href=\"https:\/\/store.astm.org\/d3420-21.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D1922<\/a> sau ghidul produc\u0103torului.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Raportarea rezultatelor testelor<\/h2>\n\n\n\n<p>Raportul dvs. trebuie s\u0103 includ\u0103:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Identificarea probelor \u0219i condi\u021biile de testare<\/li>\n\n\n\n<li>Procedura utilizat\u0103 (A sau B)<\/li>\n\n\n\n<li>Num\u0103rul de e\u0219antioane testate<\/li>\n\n\n\n<li><strong data-start=\"3672\" data-end=\"3701\">Energia medie de impact (J)<\/strong><\/li>\n\n\n\n<li>Grosimea medie a specimenului<\/li>\n\n\n\n<li><strong data-start=\"3733\" data-end=\"3769\">Abaterea standard (dac\u0103 este necesar)<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u00cenregistrarea datelor de mediu, cum ar fi <strong data-start=\"3805\" data-end=\"3833\">temperatur\u0103 \u0219i umiditate<\/strong> este esen\u021bial\u0103 pentru reproductibilitate.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Efectuarea testului de impact Spencer<\/h2>\n\n\n\n<p>The <strong data-start=\"2790\" data-end=\"2813\">Test de impact Spencer<\/strong> (Procedura B) este utilizat\u0103 de obicei pentru filme mai groase sau mai durabile. Iat\u0103 un scurt pas cu pas:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong data-start=\"2913\" data-end=\"2936\">Specimene de stare<\/strong> la 23 \u00b1 2\u00b0C \u0219i 50 \u00b1 10% RH.<\/li>\n\n\n\n<li><strong data-start=\"2969\" data-end=\"2990\">M\u0103surarea grosimii<\/strong> exact cu ajutorul unui micrometru (\u00b10,00025 mm).<\/li>\n\n\n\n<li><strong data-start=\"3038\" data-end=\"3055\">T\u0103ia\u021bi \u0219i monta\u021bi<\/strong> cu ajutorul unei deschideri de 89 mm \u0219i a unei cleme O-ring.<\/li>\n\n\n\n<li><strong data-start=\"3111\" data-end=\"3132\">Ridica\u021bi \u0219i elibera\u021bi<\/strong> pendulul din pozi\u021bia de blocare.<\/li>\n\n\n\n<li><strong data-start=\"3176\" data-end=\"3198\">Observa\u021bi \u0219i \u00eenregistra\u021bi<\/strong> energia absorbit\u0103 pentru ruperea filmului.<\/li>\n\n\n\n<li><strong data-start=\"3243\" data-end=\"3281\">Se repet\u0103 pentru cel pu\u021bin cinci specimene<\/strong> \u0219i calcula\u021bi media.<\/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 Tester de impact Pendulum pentru filme din plastic Foi de 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\">Calculul energiei de impact pentru procedura 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\">Unde:<\/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> = energie \u00een jouli<\/li>\n\n\n\n<li><em style=\"font-size: 16px;\" data-start=\"3420\" data-end=\"3423\">R<\/em> = scara de citire (0-100)<\/li>\n\n\n\n<li><em style=\"font-size: 16px;\" data-start=\"3452\" data-end=\"3455\">C<\/em> = capacitatea testerului (de exemplu, 0,17, 0,34, 0,67 J etc.)<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Alegerea celui mai bun tester de impact cu pendul<\/h2>\n\n\n\n<p>Testarea cu exactitate <strong data-start=\"4573\" data-end=\"4619\">rezisten\u021ba la impact prin pendulare a foliei din plastic<\/strong> Utilizarea ASTM D3420 este esen\u021bial\u0103 pentru asigurarea performan\u021bei materialelor \u00een medii solicitante. Urm\u00e2nd procedurile descrise \u0219i utiliz\u00e2nd un instrument de \u00eencredere precum <strong data-start=\"4788\" data-end=\"4815\"><a href=\"https:\/\/www.packqc.com\/ro\/\">Instrumente celulare<\/a> PIT-01<\/strong>, laboratoarele \u0219i produc\u0103torii pot realiza <strong data-start=\"4852\" data-end=\"4908\">rezultate repetabile, precise \u0219i conforme cu standardele<\/strong>. Acest lucru contribuie la asigurarea siguran\u021bei produselor, la \u00eembun\u0103t\u0103\u021birea fiabilit\u0103\u021bii ambalajelor \u0219i la men\u021binerea conformit\u0103\u021bii cu standardele interna\u021bionale.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\tContacta\u021bi-ne Ob\u021bine\u021bi solu\u021bia de testare ASTM D3420\t\t\t\t<\/h2>\n\n\n\n<p>\u00cen\u021belegerea \u0219i aplicarea ASTM D3420 Pendul I<strong data-start=\"4289\" data-end=\"4316\">mpact Metoda de testare<\/strong> asigur\u0103 fiabilitatea \u0219i siguran\u021ba filmelor din plastic \u00een aplica\u021biile din lumea real\u0103. Cu ajutorul tehnicilor robuste de testare, profesioni\u0219tii pot evalua cu \u00eencredere rezisten\u021ba filmelor la impact, contribuind la \u00eembun\u0103t\u0103\u021birea produselor \u0219i la men\u021binerea standardelor de \u00eenalt\u0103 calitate.<\/p>\n\n\n\n<p>Pentru mai multe informa\u021bii cu privire la <strong data-start=\"4646\" data-end=\"4673\">Cell Instruments PIT-01<\/strong> sau pentru a discuta despre nevoile de testare personalizate, contacta\u021bi echipa noastr\u0103 tehnic\u0103 ast\u0103zi!<\/p>","protected":false},"excerpt":{"rendered":"<p>\u00cen\u021belegerea ASTM D3420 \u0219i a importan\u021bei sale ASTM D3420 este un standard recunoscut pe scar\u0103 larg\u0103, utilizat pentru a determina rezisten\u021ba la impact prin pendulare a materialelor din folie de plastic. Acesta simuleaz\u0103 condi\u021biile de impact din lumea real\u0103 pentru a evalua duritatea unui film, \u00een special pentru aplica\u021bii \u00een ambalaje, produse medicale \u0219i bunuri de consum. Acest ghid explic\u0103 modul de efectuare a testului folosind un pendul de film [...]<\/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\/ro\/wp-json\/wp\/v2\/standard\/9837","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/ro\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/ro\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/ro\/wp-json\/wp\/v2\/media\/10016"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/ro\/wp-json\/wp\/v2\/media?parent=9837"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/ro\/wp-json\/wp\/v2\/standard-category?post=9837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}