{"id":10292,"date":"2025-12-24T16:26:53","date_gmt":"2025-12-24T08:26:53","guid":{"rendered":"https:\/\/dewintech.com\/?post_type=material&#038;p=10292"},"modified":"2025-12-24T16:31:01","modified_gmt":"2025-12-24T08:31:01","slug":"pe-hdpe-ldpe","status":"publish","type":"material","link":"https:\/\/dewintech.com\/fr\/material\/pe-hdpe-ldpe\/","title":{"rendered":"PE (PEHD \/ PEBD)"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"10292\" class=\"elementor elementor-10292\" data-elementor-post-type=\"material\">\n\t\t\t\t<div class=\"elementor-element elementor-element-454317cf e-flex e-con-boxed elementor-repeater-item-default_padding sk-none elementor-repeater-item-none elementor-repeater-item-none_hover e-con e-parent\" data-id=\"454317cf\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-6693ad7d e-con-full e-flex elementor-repeater-item-default_padding elementor-repeater-item-none elementor-repeater-item-none_hover e-con e-child\" data-id=\"6693ad7d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-600f80a0 elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-heading\" data-id=\"600f80a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">PE (PEHD \/ PEBD)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-188865bd elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-button\" data-id=\"188865bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjEyMTYiLCJ0b2dnbGUiOmZhbHNlfQ%3D%3D\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Obtenir des devis de mat\u00e9riaux<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5bd5c31d e-con-full e-flex elementor-repeater-item-default_padding elementor-repeater-item-none elementor-repeater-item-none_hover e-con e-child\" data-id=\"5bd5c31d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6884daef external_elementor-repeater-item-none_external elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-image\" data-id=\"6884daef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"256\" src=\"https:\/\/dewintech.com\/wp-content\/uploads\/2025\/12\/hdpe-300x256.png\" class=\"attachment-medium size-medium wp-image-10297\" alt=\"\" srcset=\"https:\/\/dewintech.com\/wp-content\/uploads\/2025\/12\/hdpe-300x256.png 300w, https:\/\/dewintech.com\/wp-content\/uploads\/2025\/12\/hdpe-768x655.png 768w, https:\/\/dewintech.com\/wp-content\/uploads\/2025\/12\/hdpe-600x511.png 600w, https:\/\/dewintech.com\/wp-content\/uploads\/2025\/12\/hdpe.png 880w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-16fd8c11 e-flex e-con-boxed elementor-repeater-item-default_padding elementor-repeater-item-none elementor-repeater-item-none_hover e-con e-parent\" data-id=\"16fd8c11\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5bbcc7cf elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-woocommerce-breadcrumb\" data-id=\"5bbcc7cf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"woocommerce-breadcrumb.default\">\n\t\t\t\t\t<nav class=\"woocommerce-breadcrumb\" aria-label=\"Breadcrumb\" data-no-translation=\"\" data-trp-gettext=\"\">Home<\/nav>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6fd5124e elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-text-editor\" data-id=\"6fd5124e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 data-path-to-node=\"2\">PE : Le \u201c\u00a0grand fr\u00e8re\u00a0\u201d et le \u201c\u00a0petit fr\u00e8re\u00a0\u201d des plastiques<\/h2><p data-path-to-node=\"3\"><span class=\"citation-9 citation-end-9\">Le poly\u00e9thyl\u00e8ne (PE) est le plastique le plus utilis\u00e9 sur la plan\u00e8te.<\/span> Si vous regardez autour de vous en ce moment, il est probable que vous soyez \u00e0 port\u00e9e de main. Dans le monde du moulage, nous divisons g\u00e9n\u00e9ralement la famille en deux personnalit\u00e9s distinctes\u00a0: <b data-path-to-node=\"3\" data-index-in-node=\"234\">HDPE<\/b> (le grand fr\u00e8re rigide et r\u00e9sistant) et <b data-path-to-node=\"3\" data-index-in-node=\"274\">LDPE<\/b> (le petit fr\u00e8re souple et doux).<\/p><p data-path-to-node=\"4\">Bien qu'ils partagent le m\u00eame ADN, leurs structures mol\u00e9culaires sont diff\u00e9rentes. <span class=\"citation-8 citation-end-8\">Le PEHD a des cha\u00eenes droites qui s'assemblent \u00e9troitement (haute densit\u00e9), tandis que le PEBD a des cha\u00eenes ramifi\u00e9es qui maintiennent les choses l\u00e2ches et flexibles.<\/span><\/p><table data-path-to-node=\"6\"><thead><tr><td><strong>Propri\u00e9t\u00e9<\/strong><\/td><td><strong>PEHD (Haute Densit\u00e9)<\/strong><\/td><td><strong>PEBD (Basse Densit\u00e9)<\/strong><\/td><td><strong>Pourquoi c'est important<\/strong><\/td><\/tr><\/thead><tbody><tr><td><span data-path-to-node=\"6,1,0,0\"><b data-path-to-node=\"6,1,0,0\" data-index-in-node=\"0\">Densit\u00e9 (g\/cm\u00b3)<\/b><\/span><\/td><td><span data-path-to-node=\"6,1,1,0\">0,94 \u2013 0,97<\/span><\/td><td><span data-path-to-node=\"6,1,2,0\">0,91 \u2013 0,94<\/span><\/td><td><span data-path-to-node=\"6,1,3,0\">Le PEHD est plus lourd\/robuste\u00a0; le PEBD est plus l\u00e9ger<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"6,2,0,0\"><b data-path-to-node=\"6,2,0,0\" data-index-in-node=\"0\">R\u00e9sistance \u00e0 la traction<\/b><\/span><\/td><td><span data-path-to-node=\"6,2,1,0\">20 \u2013 30 MPa<\/span><\/td><td><span data-path-to-node=\"6,2,2,0\">8 \u2013 15 MPa<\/span><\/td><td><span data-path-to-node=\"6,2,3,0\">Le PEHD supporte plus de contraintes m\u00e9caniques<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"6,3,0,0\"><b data-path-to-node=\"6,3,0,0\" data-index-in-node=\"0\">Point de fusion<\/b><\/span><\/td><td><span data-path-to-node=\"6,3,1,0\">~130\u00b0C<\/span><\/td><td><span data-path-to-node=\"6,3,2,0\">~110\u00b0C<\/span><\/td><td><span data-path-to-node=\"6,3,3,0\">Le PEHD reste rigide \u00e0 des temp\u00e9ratures plus \u00e9lev\u00e9es<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"6,4,0,0\"><b data-path-to-node=\"6,4,0,0\" data-index-in-node=\"0\">Flexibilit\u00e9<\/b><\/span><\/td><td><span data-path-to-node=\"6,4,1,0\">Rigide \/ Raide<\/span><\/td><td><span data-path-to-node=\"6,4,2,0\">Tr\u00e8s flexible<\/span><\/td><td><span data-path-to-node=\"6,4,3,0\">Le PEBD peut \u00eatre press\u00e9 et rebondir<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"6,5,0,0\"><b data-path-to-node=\"6,5,0,0\" data-index-in-node=\"0\">Retrait au moulage<\/b><\/span><\/td><td><span data-path-to-node=\"6,5,1,0\">1.5% \u2013 4.0%<\/span><\/td><td><span data-path-to-node=\"6,5,2,0\">1.5% \u2013 3.5%<\/span><\/td><td><span data-path-to-node=\"6,5,3,0\">Les deux ont un retrait \u00e9lev\u00e9 \u2014 l'outillage doit \u00eatre ajust\u00e9<\/span><\/td><\/tr><\/tbody><\/table><h3 data-path-to-node=\"7\">Choisir votre processus<\/h3><p data-path-to-node=\"8\"><b data-path-to-node=\"8\" data-index-in-node=\"0\">PEHD : Le choix de qualit\u00e9 industrielle<\/b> <span class=\"citation-7\">En raison de son rapport \u201c r\u00e9sistance-densit\u00e9 \u201d \u00e9lev\u00e9, le PEHD est le roi du <\/span><b data-path-to-node=\"8\" data-index-in-node=\"106\"><span class=\"citation-7\">Moulage par soufflage<\/span><\/b><span class=\"citation-7 citation-end-7\">.<\/span> <span class=\"citation-6 citation-end-6\">C'est le mat\u00e9riau derri\u00e8re les bouteilles de lait, les bouteilles d'eau de Javel et les r\u00e9servoirs de carburant.<\/span> <span class=\"citation-5\">En <\/span><b data-path-to-node=\"8\" data-index-in-node=\"191\"><span class=\"citation-5\">Moulage par injection<\/span><\/b><span class=\"citation-5 citation-end-5\">, il est utilis\u00e9 pour les articles qui doivent r\u00e9sister aux chocs, tels que les caisses robustes, les seaux et les jouets d'ext\u00e9rieur.<\/span><\/p><p data-path-to-node=\"9\"><b data-path-to-node=\"9\" data-index-in-node=\"0\">PEBD : Le sp\u00e9cialiste du \u201c squeeze \u201d<\/b> Le LDPE est tout au sujet de la sensation tactile et de l'absorption des chocs. Dans <b data-path-to-node=\"9\" data-index-in-node=\"88\">Moulage par soufflage<\/b>, il est parfait pour les bouteilles souples (comme les contenants de miel ou de moutarde) car il reprend sa forme originale apr\u00e8s avoir \u00e9t\u00e9 press\u00e9. Dans <b data-path-to-node=\"9\" data-index-in-node=\"235\">Moulage par injection<\/b>, c'est le choix id\u00e9al pour les couvercles \u00e0 enclenchement et les capuchons anti-poussi\u00e8re flexibles qui doivent s'\u00e9tirer l\u00e9g\u00e8rement pour s'adapter.<\/p><p data-path-to-node=\"10\"><b data-path-to-node=\"10\" data-index-in-node=\"0\">Le point essentiel :<\/b> Les deux mat\u00e9riaux sont incroyablement r\u00e9sistants aux produits chimiques et \u00e0 l'humidit\u00e9, et ils sont enti\u00e8rement recyclables. Cependant, ils sont difficiles \u00e0 \u201ccoller\u201d ou \u00e0 peindre car leurs surfaces sont tr\u00e8s cireuses et antiadh\u00e9sives. Si vous avez besoin d'une pi\u00e8ce qui r\u00e9siste \u00e0 une chute ou qui contient des liquides en toute s\u00e9curit\u00e9, la famille PE est votre meilleure option.<\/p><hr data-path-to-node=\"11\" \/><p data-path-to-node=\"12\"><b data-path-to-node=\"12\" data-index-in-node=\"0\">Concevez-vous un contenant pour un nettoyant chimique ou un couvercle flexible pour un pot alimentaire ? Je peux vous aider \u00e0 d\u00e9cider si la rigidit\u00e9 du HDPE ou la douceur du LDPE correspond mieux \u00e0 votre exp\u00e9rience utilisateur.<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4b2f122 e-con-full elementor-repeater-item-none_hover e-flex elementor-repeater-item-default_padding elementor-repeater-item-none e-con e-child\" data-id=\"4b2f122\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;,&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-248be5c8 elementor-absolute plane-loop e-transform e-transform elementor-view-default elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-icon\" data-id=\"248be5c8\" data-element_type=\"widget\" data-e-type=\"widget\" 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data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-cubes\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M488.6 250.2L392 214V105.5c0-15-9.3-28.4-23.4-33.7l-100-37.5c-8.1-3.1-17.1-3.1-25.3 0l-100 37.5c-14.1 5.3-23.4 18.7-23.4 33.7V214l-96.6 36.2C9.3 255.5 0 268.9 0 283.9V394c0 13.6 7.7 26.1 19.9 32.2l100 50c10.1 5.1 22.1 5.1 32.2 0l103.9-52 103.9 52c10.1 5.1 22.1 5.1 32.2 0l100-50c12.2-6.1 19.9-18.6 19.9-32.2V283.9c0-15-9.3-28.4-23.4-33.7zM358 214.8l-85 31.9v-68.2l85-37v73.3zM154 104.1l102-38.2 102 38.2v.6l-102 41.4-102-41.4v-.6zm84 291.1l-85 42.5v-79.1l85-38.8v75.4zm0-112l-102 41.4-102-41.4v-.6l102-38.2 102 38.2v.6zm240 112l-85 42.5v-79.1l85-38.8v75.4zm0-112l-102 41.4-102-41.4v-.6l102-38.2 102 38.2v.6z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6b180fbf e-con-full elementor-repeater-item-none_hover e-flex elementor-repeater-item-default_padding elementor-repeater-item-none e-con e-child\" data-id=\"6b180fbf\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-68515c06 elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-heading\" data-id=\"68515c06\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pr\u00eat \u00e0 utiliser ce mat\u00e9riau pour vos pi\u00e8ces ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e793646 elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-heading\" data-id=\"4e793646\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Contactez-nous pour \u00e9valuer la fabricabilit\u00e9, les tol\u00e9rances et le co\u00fbt pour votre application sp\u00e9cifique.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7d668abf elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-button\" data-id=\"7d668abf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs elementor-animation-float\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjEyMTYiLCJ0b2dnbGUiOmZhbHNlfQ%3D%3D\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M190.5 66.9l22.2-22.2c9.4-9.4 24.6-9.4 33.9 0L441 239c9.4 9.4 9.4 24.6 0 33.9L246.6 467.3c-9.4 9.4-24.6 9.4-33.9 0l-22.2-22.2c-9.5-9.5-9.3-25 .4-34.3L311.4 296H24c-13.3 0-24-10.7-24-24v-32c0-13.3 10.7-24 24-24h287.4L190.9 101.2c-9.8-9.3-10-24.8-.4-34.3z\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Obtenir des conseils sur les mat\u00e9riaux<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>PE (HDPE \/ LDPE) Get material quotes PE: The &#8220;Big Brother&#8221; and &#8220;Little Brother&#8221; of Plastics Polyethylene (PE) is the most widely used plastic on the planet. If you look around your room right now, you are likely within arm\u2019s reach of it. In the world of molding, we generally split the family into two [&hellip;]<\/p>\n","protected":false},"featured_media":0,"menu_order":0,"template":"","format":"standard","meta":{"footnotes":""},"material_category":[242],"class_list":["post-10292","material","type-material","status-publish","format-standard","hentry","material_category-plastic-injection"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>PE (HDPE \/ LDPE) - Dewin - Help You Make Custom Parts &amp; Assembilies in Vietnam &amp; China<\/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:\/\/dewintech.com\/fr\/materiau\/pe-hdpe-ldpe\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PE (HDPE \/ LDPE)\" \/>\n<meta property=\"og:description\" content=\"PE (HDPE \/ LDPE) Get material quotes PE: The &#8220;Big Brother&#8221; and &#8220;Little Brother&#8221; of Plastics Polyethylene (PE) is the most widely used plastic on the planet. 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