{"id":1134,"count":1,"description":"<div class=\"container-fluid\">\r\n<div class=\"row\">\r\n<div class=\"col-xs-12 col-sm-12 col-md-12 col-lg-12 vertical-distance\">\r\n<div class=\"doc-title\">\r\n<h2 class=\"doc-headline\">Essai de films plastiques ; d\u00e9termination de la contrainte de r\u00e9traction<\/h2>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<h3>Mat\u00e9riel d&#039;essai<\/h3>\r\n<a href=\"https:\/\/www.din.de\/en\/getting-involved\/standards-committees\/navp\/publications\/wdc-beuth:din21:593579\" target=\"_blank\" rel=\"noopener\">DIN 53369<\/a> sp\u00e9cifie l'essai des films thermor\u00e9tractables, souvent utilis\u00e9s dans l'emballage et les applications similaires. Les \u00e9chantillons sont g\u00e9n\u00e9ralement coup\u00e9s \u00e0 des dimensions normalis\u00e9es (par exemple, 130 mm \u00d7 15 mm) pour garantir l'uniformit\u00e9 pendant l'essai.\r\n<h3>Processus de test<\/h3>\r\nL'\u00e9chantillon est chauff\u00e9 \u00e0 une temp\u00e9rature pr\u00e9d\u00e9finie (jusqu'\u00e0 210\u00b0C) pour simuler les conditions de r\u00e9traction \u00e0 la chaleur. Au cours du processus, le syst\u00e8me mesure des param\u00e8tres cl\u00e9s tels que la force de r\u00e9traction, la force de contraction et le rapport de r\u00e9traction. Une fois chauff\u00e9, l'\u00e9chantillon est refroidi et le syst\u00e8me enregistre les changements en temps r\u00e9el pour analyse.\r\n<h3>Interpr\u00e9tation des r\u00e9sultats du test<\/h3>\r\nResults are expressed in terms of shrinkage force, contracting force, and shrinkage ratio. These values indicate the material's response to heat, crucial for assessing its performance in applications like packaging. Higher precision measurements enhance the reliability of the data\u200b.","link":"https:\/\/www.qualitester.com\/fr\/categorie-produit\/din\/din-53369\/","name":"DIN 53369","slug":"din-53369","taxonomy":"product_cat","parent":1133,"meta":[],"_links":{"self":[{"href":"https:\/\/www.qualitester.com\/fr\/wp-json\/wp\/v2\/product_cat\/1134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualitester.com\/fr\/wp-json\/wp\/v2\/product_cat"}],"about":[{"href":"https:\/\/www.qualitester.com\/fr\/wp-json\/wp\/v2\/taxonomies\/product_cat"}],"up":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/fr\/wp-json\/wp\/v2\/product_cat\/1133"}],"wp:post_type":[{"href":"https:\/\/www.qualitester.com\/fr\/wp-json\/wp\/v2\/product?product_cat=1134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}