{"id":19398,"date":"2026-07-22T06:58:15","date_gmt":"2026-07-22T06:58:15","guid":{"rendered":"https:\/\/www.qualtechproductsindustry.com\/discuss-the-specific-use-and-purpose-astm-d5420-21-tcstandard-test-method-for-impact-resistance-of-flat-rigid-plastic-specimen-by-means-of-a-striker-impacted-by-a-falling-weight-you-can-wri\/"},"modified":"2026-07-22T06:58:15","modified_gmt":"2026-07-22T06:58:15","slug":"discuter-de-lutilisation-specifique-et-de-lobjectif-de-la-norme-astm-d5420-21-methode-dessai-standard-pour-la-resistance-aux-chocs-deprouvettes-en-plastique-rigide-planes-au-moyen-dun-percuteur","status":"publish","type":"post","link":"https:\/\/www.qualtechproductsindustry.co.uk\/fr\/discuss-the-specific-use-and-purpose-astm-d5420-21-tcstandard-test-method-for-impact-resistance-of-flat-rigid-plastic-specimen-by-means-of-a-striker-impacted-by-a-falling-weight-you-can-wri\/","title":{"rendered":"ASTM D5420 \u2013 21 : \u00c9valuation de la r\u00e9sistance aux chocs des plastiques rigides"},"content":{"rendered":"<p>Les mati\u00e8res plastiques sont omnipr\u00e9sentes dans la vie moderne, qu\u2019il s\u2019agisse d\u2019\u00e9quipements de s\u00e9curit\u00e9, de mat\u00e9riaux de construction ou de produits de grande consommation. Ces mat\u00e9riaux doivent r\u00e9sister \u00e0 des chocs soudains sans se briser ni se fissurer. La norme ASTM D5420-21 est une m\u00e9thode d\u2019essai normalis\u00e9e qui \u00e9value la r\u00e9sistance \u00e0 l\u2019endommagement d\u2019\u00e9chantillons plats et rigides en plastique lorsqu\u2019ils sont frapp\u00e9s par une masse en chute, aidant ainsi les fabricants \u00e0 garantir que leurs produits\u2026 <\/p>\n<div class=\"pmpro\">\n<div class=\"pmpro_card pmpro_content_message\">\n<h2 class=\"pmpro_card_title pmpro_font-large\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"var(--pmpro--color--accent)\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"feather feather-lock\"><rect x=\"3\" y=\"11\" width=\"18\" height=\"11\" rx=\"2\" ry=\"2\"><\/rect><path d=\"M7 11V7a5 5 0 0 1 10 0v4\"><\/path><\/svg>L'abonnement \u00e0 la collection \u00ab Insights &amp; Commentary \u00bb est obligatoire<\/h2>\n<div class=\"pmpro_card_content\">\n<p> Vous devez \u00eatre abonn\u00e9 \u00e0 la rubrique \u00ab Insights &amp; Commentary \u00bb pour acc\u00e9der \u00e0 ce contenu.<\/p>\n<p><a class=\"pmpro_btn\" href=\"https:\/\/www.qualtechproductsindustry.co.uk\/fr\/membership-checkout\/?pmpro_level=1\">S'inscrire d\u00e8s maintenant<\/a><\/p>\n<\/div>\n<div class=\"pmpro_card_actions pmpro_font-medium\">Vous \u00eates d\u00e9j\u00e0 membre ? <a href=\"https:\/\/www.qualtechproductsindustry.co.uk\/fr\/login\/?redirect_to=https%3A%2F%2Fwww.qualtechproductsindustry.co.uk%2Ffr%2Fdiscuss-the-specific-use-and-purpose-astm-d5420-21-tcstandard-test-method-for-impact-resistance-of-flat-rigid-plastic-specimen-by-means-of-a-striker-impacted-by-a-falling-weight-you-can-wri%2F\">Connectez-vous ici<\/a><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Plastic materials are everywhere in modern life, from safety equipment to building materials to consumer products. These materials need to withstand sudden impacts without breaking or cracking. ASTM D5420-21 is a standardized test method that measures how well flat, rigid plastic specimens resist damage when struck by a falling weight, helping manufacturers ensure their products... <\/p>\n<div class=\"pmpro\"><div class=\"pmpro_card pmpro_content_message\"><h2 class=\"pmpro_card_title pmpro_font-large\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"var(--pmpro--color--accent)\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"feather feather-lock\"><rect x=\"3\" y=\"11\" width=\"18\" height=\"11\" rx=\"2\" ry=\"2\"><\/rect><path d=\"M7 11V7a5 5 0 0 1 10 0v4\"><\/path><\/svg>L'abonnement \u00e0 la collection \u00ab Insights &amp; Commentary \u00bb est obligatoire<\/h2><div class=\"pmpro_card_content\"><p> Vous devez \u00eatre abonn\u00e9 \u00e0 la rubrique \u00ab Insights &amp; Commentary \u00bb pour acc\u00e9der \u00e0 ce contenu.<\/p><p><a class=\"pmpro_btn\" href=\"https:\/\/www.qualtechproductsindustry.co.uk\/fr\/membership-checkout\/?pmpro_level=1\">S'inscrire d\u00e8s maintenant<\/a><\/p><\/div><div class=\"pmpro_card_actions pmpro_font-medium\">Vous \u00eates d\u00e9j\u00e0 membre ? <a href=\"https:\/\/www.qualtechproductsindustry.co.uk\/fr\/login\/?redirect_to=https%3A%2F%2Fwww.qualtechproductsindustry.co.uk%2Ffr%2Fdiscuss-the-specific-use-and-purpose-astm-d5420-21-tcstandard-test-method-for-impact-resistance-of-flat-rigid-plastic-specimen-by-means-of-a-striker-impacted-by-a-falling-weight-you-can-wri%2F\">Connectez-vous ici<\/a><\/div><\/div><\/div>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pmpro_default_level":"","footnotes":""},"categories":[535,534],"tags":[],"class_list":["post-19398","post","type-post","status-publish","format-standard","hentry","category-astm","category-science","pmpro-level-required","pmpro-level-1","pmpro-no-access"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ASTM D5420 - 21: Assessing Impact Resistance in Rigid Plastics - QUALTECH PRODUCTS INDUSTRY<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.qualtechproductsindustry.co.uk\/fr\/discuter-de-lutilisation-specifique-et-de-lobjectif-de-la-norme-astm-d5420-21-methode-dessai-standard-pour-la-resistance-aux-chocs-deprouvettes-en-plastique-rigide-planes-au-moyen-dun-percuteur\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ASTM D5420 - 21: Assessing Impact Resistance in Rigid Plastics - QUALTECH PRODUCTS INDUSTRY\" \/>\n<meta property=\"og:description\" content=\"Plastic materials are everywhere in modern life, from safety equipment to building materials to consumer products. 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