{"id":41380,"date":"2024-07-17T08:50:13","date_gmt":"2024-07-17T06:50:13","guid":{"rendered":"https:\/\/www.linseis.com\/polyethylene-haute-densite-pehd-une-vue-de-linterieur\/"},"modified":"2025-08-07T08:11:10","modified_gmt":"2025-08-07T06:11:10","slug":"polyethylene-haute-densite-pehd-une-vue-de-linterieur","status":"publish","type":"post","link":"https:\/\/www.linseis.com\/fr\/connaissance\/polyethylene-haute-densite-pehd-une-vue-de-linterieur\/","title":{"rendered":"Poly\u00e9thyl\u00e8ne haute densit\u00e9 (PEHD) : Une vue de l&rsquo;int\u00e9rieur"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"41380\" class=\"elementor elementor-41380 elementor-8451\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9eb8745 e-flex e-con-boxed elementor-invisible e-con e-parent\" data-id=\"9eb8745\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInUp&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-42b8a1e elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"42b8a1e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;],&quot;exclude_headings_by_selector&quot;:[],&quot;no_headings_message&quot;:&quot;Aucun titre n\\u2019a \\u00e9t\\u00e9 trouv\\u00e9 sur cette page.&quot;,&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable des mati\u00e8res\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__42b8a1e\" aria-expanded=\"true\" aria-label=\"Ouvrir la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__42b8a1e\" aria-expanded=\"true\" aria-label=\"Fermer la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__42b8a1e\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a9139e elementor-widget elementor-widget-heading\" data-id=\"8a9139e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Poly\u00e9thyl\u00e8ne haute densit\u00e9 (PEHD) et poly\u00e9thyl\u00e8ne (PE)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ffaef65 elementor-widget elementor-widget-text-editor\" data-id=\"ffaef65\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le <strong>poly\u00e9thyl\u00e8ne<\/strong> <strong>haute densit\u00e9<\/strong> <strong>(PEHD<\/strong> <strong>)<\/strong> et le <strong>poly\u00e9thyl\u00e8ne<\/strong> <strong>(PE)<\/strong> sont tous deux des types de poly\u00e9thyl\u00e8ne, mais ils pr\u00e9sentent des propri\u00e9t\u00e9s diff\u00e9rentes en raison des variations de leurs processus de fabrication.<\/p><p>Le <strong>PEHD<\/strong> est un type sp\u00e9cifique de la famille des <strong>poly\u00e9thyl\u00e8nes<\/strong>, qui se distingue par sa haute <a href=\"https:\/\/www.linseis.com\/fr\/connaissance\/cristallisation-et-recristallisation-des-polymeres\/\"><strong>cristallinit\u00e9 <\/strong><\/a>qui r\u00e9sulte d&rsquo;une faible proportion de groupes de ramification lat\u00e9rale sur les cha\u00eenes principales de polym\u00e8re et de l&rsquo;absence de longues branches lat\u00e9rales.<\/p><p>Par cons\u00e9quent, les mol\u00e9cules de <strong>PEHD<\/strong> peuvent s&rsquo;organiser en une structure ordonn\u00e9e, pseudo-cristalline, ce qui conf\u00e8re au mat\u00e9riau des propri\u00e9t\u00e9s m\u00e9caniques uniques.<br \/>D&rsquo;autre part, le <strong>poly\u00e9thyl\u00e8ne<\/strong> est produit comme une classe de mat\u00e9riaux de diff\u00e9rentes densit\u00e9s, et le degr\u00e9 et la forme des ramifications lat\u00e9rales de la cha\u00eene polym\u00e8re influencent consid\u00e9rablement ses propri\u00e9t\u00e9s.<\/p><p>Les diff\u00e9rences de fabrication entra\u00eenent des densit\u00e9s diff\u00e9rentes et diverses d\u00e9signations commerciales et scientifiques pour le <strong>poly\u00e9thyl\u00e8ne<\/strong>, y compris le <strong>PEHD<\/strong>.<\/p><p>Les distinctions entre le <strong>PEHD<\/strong> et le <strong>poly\u00e9thyl\u00e8ne<\/strong> en termes de propri\u00e9t\u00e9s physiques sont r\u00e9sum\u00e9es dans le tableau ci-dessous :<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-31885ea elementor-widget elementor-widget-spacer\" data-id=\"31885ea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4501d7 elementor-widget elementor-widget-spacer\" data-id=\"a4501d7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6586d7e elementor-widget__width-initial elementor-widget elementor-widget-shortcode\" data-id=\"6586d7e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\n<table id=\"tablepress-105\" class=\"tablepress tablepress-id-105\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\"><h3><strong>PROPERTIES<\/strong><\/h3><\/th><th class=\"column-2\"><h3><strong>HDPE VALUE (METRIC)<\/strong><\/h3><\/th><th class=\"column-3\"><h3><strong>PE VALUE (METRIC)<\/strong><\/h3><\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Density:<\/td><td class=\"column-2\">0.933\u20131.27 g\/cm\u00b3<\/td><td class=\"column-3\">0.915\u20130.96 g\/cm\u00b3<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Shore D Hardness:<\/td><td class=\"column-2\">55\u201369<\/td><td class=\"column-3\">42\u201356<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Tensile Strength, Ultimate:<\/td><td class=\"column-2\">15.2\u201345 MPa<\/td><td class=\"column-3\">8.96\u201354 MPa<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">Tensile Strength, Yield:<\/td><td class=\"column-2\">2.69\u2013200 MPa<\/td><td class=\"column-3\">7.6\u201314 MPa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-105 from cache --><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0ead95c elementor-widget elementor-widget-spacer\" data-id=\"0ead95c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aeb2266 elementor-widget elementor-widget-spacer\" data-id=\"aeb2266\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c348f39 elementor-widget elementor-widget-text-editor\" data-id=\"c348f39\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ces diff\u00e9rences de densit\u00e9, de duret\u00e9 et de r\u00e9sistance \u00e0 la traction illustrent les propri\u00e9t\u00e9s m\u00e9caniques uniques du <strong>PEHD<\/strong> par rapport aux autres <strong>types de<\/strong> <strong>poly\u00e9thyl\u00e8ne<\/strong>.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a04fb3 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"7a04fb3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-Rohform-1024x576.png\" class=\"attachment-large size-large wp-image-8463\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-Rohform-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-Rohform-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-Rohform-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-Rohform.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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<div class=\"elementor-element elementor-element-20567cf elementor-widget elementor-widget-heading\" data-id=\"20567cf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">La cristallinit\u00e9 du PEHD<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3a894e elementor-widget elementor-widget-text-editor\" data-id=\"f3a894e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le <strong>PEHD<\/strong> est un grade sp\u00e9cifique de la famille des <strong>poly\u00e9thyl\u00e8nes<\/strong> et se caract\u00e9rise par sa haute <strong>cristallinit\u00e9<\/strong>.<br \/>Cela signifie que les mol\u00e9cules de <strong>PEHD<\/strong> sont dispos\u00e9es selon une structure cristalline ordonn\u00e9e, ce qui conf\u00e8re au mat\u00e9riau des propri\u00e9t\u00e9s m\u00e9caniques uniques.<br \/>Pour quantifier pr\u00e9cis\u00e9ment la <strong>cristallinit\u00e9<\/strong>, il est possible d&rsquo;utiliser l&rsquo;appareil sp\u00e9cial et brevet\u00e9 <a href=\"https:\/\/www.linseis.com\/fr\/produits\/dsc-differential-scanning-calorimetry\/chip-dsc-l66-advanced\/\"><strong>Chip-DSC<\/strong><\/a>.<\/p><p>La haute <strong>cristallinit\u00e9<\/strong> <strong>du<\/strong> <strong>PEHD<\/strong> se traduit par une r\u00e9sistance chimique impressionnante et une grande r\u00e9sistance \u00e0 la traction.<br \/>Ces attributs d\u00e9coulent de son arrangement mol\u00e9culaire sp\u00e9cifique, qui conf\u00e8re au mat\u00e9riau non seulement de la r\u00e9sistance, mais aussi une certaine rigidit\u00e9.<br \/>C&rsquo;est pourquoi le <strong>PEHD<\/strong> est demand\u00e9 pour des applications telles que les syst\u00e8mes de tuyauterie, l&#8217;emballage et la construction de bateaux et de cano\u00ebs.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9a04a49 e-con-full e-flex e-con e-child\" data-id=\"9a04a49\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-1916778 e-con-full e-flex e-con e-child\" data-id=\"1916778\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-eecdecd elementor-widget elementor-widget-image\" data-id=\"eecdecd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-Rohre-2-1024x576.png\" class=\"attachment-large size-large wp-image-8480\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-Rohre-2-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-Rohre-2-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-Rohre-2-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-Rohre-2.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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<\/div>\n\t\t<div class=\"elementor-element elementor-element-5a8d9e7 e-con-full e-flex e-con e-child\" data-id=\"5a8d9e7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6453036 elementor-widget elementor-widget-image\" data-id=\"6453036\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/20-1024x576.png\" class=\"attachment-large size-large wp-image-19537\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/20-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/20-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/20-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/20.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d6438ac elementor-widget elementor-widget-heading\" data-id=\"d6438ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Le point de fusion du poly\u00e9thyl\u00e8ne haute densit\u00e9<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3112811 elementor-widget elementor-widget-text-editor\" data-id=\"3112811\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L&rsquo;une des principales caract\u00e9ristiques physiques du <strong>PEHD<\/strong> est son <a href=\"https:\/\/www.linseis.com\/fr\/connaissance\/point-de-fusion-cristallisation-et-transition-vitreuse-des-polymeres\/\"><strong>point<\/strong>\u00a0<\/a>qui se situe g\u00e9n\u00e9ralement entre 120\u00b0C et 180\u00b0C.<\/p><p>Une m\u00e9thode courante pour d\u00e9terminer le <strong>point de<\/strong> <strong>fusion<\/strong> est l&rsquo;utilisation d&rsquo;un <strong>calorim\u00e8tre diff\u00e9rentiel dynamique<\/strong>, \u00e9galement appel\u00e9 <strong>DSC<\/strong>.<\/p><p>Ce mat\u00e9riau convient donc parfaitement \u00e0 diverses m\u00e9thodes de fabrication industrielle.<br \/>Le processus d&rsquo;extrusion pour la production de bouteilles et de conteneurs en est un bon exemple.<br \/>Au cours de ce processus, le <strong>PEHD<\/strong> est chauff\u00e9 \u00e0 une temp\u00e9rature d&rsquo;environ 150\u00b0C \u00e0 160\u00b0C, proche de son point de fusion, ce qui le rend mall\u00e9able.<br \/>Il est ensuite souffl\u00e9 dans un moule et refroidi pour prendre sa forme finale.<\/p><p>Gr\u00e2ce \u00e0 cette plage de temp\u00e9rature sp\u00e9cifique, le <strong>PEHD<\/strong> conserve une robustesse et une \u00e9tanch\u00e9it\u00e9 \u00e9lev\u00e9es au cours de ce traitement &#8211; des propri\u00e9t\u00e9s particuli\u00e8rement essentielles pour l&#8217;emballage de produits de nettoyage ou d&rsquo;huiles de moteur.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0bbe709 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"0bbe709\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Reinigungsmittel-HDPE-1024x576.png\" class=\"attachment-large size-large wp-image-8493\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Reinigungsmittel-HDPE-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Reinigungsmittel-HDPE-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Reinigungsmittel-HDPE-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Reinigungsmittel-HDPE.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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<div class=\"elementor-element elementor-element-c076700 elementor-widget elementor-widget-heading\" data-id=\"c076700\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">La robustesse et la temp\u00e9rature de transition vitreuse du PEHD<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44f3c33 elementor-widget elementor-widget-text-editor\" data-id=\"44f3c33\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La robustesse du <strong>PEHD<\/strong> \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es ouvre la voie \u00e0 des applications o\u00f9 le mat\u00e9riau est expos\u00e9 \u00e0 des conditions thermiques extr\u00eames sans perdre sa structure ou sa fonctionnalit\u00e9.<\/p><p>Les syst\u00e8mes de canalisations g\u00e9othermiques en sont un excellent exemple.<br \/>Dans ces syst\u00e8mes, la chaleur g\u00e9othermique circule depuis le sous-sol, atteignant des temp\u00e9ratures allant de 50\u00b0C \u00e0 370\u00b0C, selon la profondeur et la r\u00e9gion, pour chauffer des b\u00e2timents ou produire de l&rsquo;\u00e9lectricit\u00e9. Les tuyaux <strong>en PEHD<\/strong> sont pr\u00e9sents dans cet environnement car ils r\u00e9sistent aux liquides chauds sans perdre leur forme ni se casser.<\/p><p>Cette r\u00e9silience thermique fait \u00e9galement du <strong>PEHD<\/strong> le meilleur choix pour d&rsquo;autres applications, telles que les syst\u00e8mes de chauffage par rayonnement \u00e0 partir du sol, o\u00f9 l&rsquo;eau chaude circule dans les tuyaux, ce qui permet d&rsquo;obtenir des temp\u00e9ratures ambiantes confortables.<\/p><p>Le <a href=\"https:\/\/www.linseis.com\/fr\/connaissance\/temperature-de-transition-du-verre\/\"><strong>verre<\/strong> <strong>de transition<\/strong> <strong>de transition vitreuse<\/strong> <strong>(Tg)<\/strong><\/a> <strong>du<\/strong> <strong> poly\u00e9thyl\u00e8ne<\/strong> <strong>haute densit\u00e9<\/strong> <strong>(PEHD)<\/strong> se situe g\u00e9n\u00e9ralement entre -100\u00b0C et -130\u00b0C environ.<br \/>Cette faible <strong>Tg<\/strong> signifie que <strong>le PEHD<\/strong> reste rigide et dur \u00e0 des temp\u00e9ratures inf\u00e9rieures \u00e0 cette plage.<\/p><p>La <strong>temp\u00e9rature de<\/strong> <strong>transition<\/strong> <strong>vitreuse<\/strong> est la temp\u00e9rature \u00e0 laquelle un polym\u00e8re amorphe passe d&rsquo;un \u00e9tat dur et vitreux \u00e0 un \u00e9tat mou et caoutchouteux, ou vice versa.<\/p><p>Dans le cas du <strong>PEHD<\/strong>, cette transition se produit \u00e0 des temp\u00e9ratures tr\u00e8s basses, ce qui refl\u00e8te sa grande rigidit\u00e9 et sa fragilit\u00e9 \u00e0 l&rsquo;\u00e9tat vitreux.<br \/>Le <strong>Chip-DSC<\/strong> permet \u00e9galement de d\u00e9terminer avec pr\u00e9cision la temp\u00e9rature \u00e0 laquelle se produit la transition vitreuse.<\/p><p>Le <strong>Tg du<\/strong> <strong>PEHD <\/strong>est nettement inf\u00e9rieur \u00e0 celui d&rsquo;autres polym\u00e8res, ce qui le rend adapt\u00e9 aux applications exigeant un comportement \u00e0 basse temp\u00e9rature.<br \/>La connaissance de la <strong>Tg du PEHD<\/strong> est cruciale pour les applications o\u00f9 les propri\u00e9t\u00e9s m\u00e9caniques et les performances \u00e0 diff\u00e9rentes temp\u00e9ratures jouent un r\u00f4le essentiel.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-243805f e-con-full e-flex e-con e-child\" data-id=\"243805f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-b7d1c46 e-con-full e-flex e-con e-child\" data-id=\"b7d1c46\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0f72433 elementor-widget elementor-widget-image\" data-id=\"0f72433\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Fussbodenheizung-mit-HDPE-Rohren-1024x576.png\" class=\"attachment-large size-large wp-image-8514\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Fussbodenheizung-mit-HDPE-Rohren-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Fussbodenheizung-mit-HDPE-Rohren-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Fussbodenheizung-mit-HDPE-Rohren-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Fussbodenheizung-mit-HDPE-Rohren.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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<\/div>\n\t\t<div class=\"elementor-element elementor-element-f8307e8 e-con-full e-flex e-con e-child\" data-id=\"f8307e8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9070aec elementor-widget elementor-widget-image\" data-id=\"9070aec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/25-1024x576.png\" class=\"attachment-large size-large wp-image-19558\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/25-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/25-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/25-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/25.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-48f7a73 elementor-widget elementor-widget-heading\" data-id=\"48f7a73\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Diff\u00e9rents types de PEHD<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b27924d elementor-widget elementor-widget-text-editor\" data-id=\"b27924d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Il existe diff\u00e9rentes qualit\u00e9s de <strong>PEHD<\/strong>, en fonction du poids mol\u00e9culaire et de la ramification.\nLes chiffres qui suivent le <strong>PEHD<\/strong>, tels que \u00ab\u00a0500\u00a0\u00bb, \u00ab\u00a0300\u00a0\u00bb ou \u00ab\u00a01000\u00a0\u00bb, repr\u00e9sentent g\u00e9n\u00e9ralement le poids mol\u00e9culaire en milliers. <\/p>\n<p>Cela signifie que le <strong>PEHD<\/strong> <strong>500<\/strong> a un poids mol\u00e9culaire moyen d&rsquo;environ 500 000, le <strong>PEHD<\/strong> <strong>300<\/strong> d&rsquo;environ 300 000 et le <strong>PEHD<\/strong> <strong>1000 d&rsquo;<\/strong> environ 1 000 000.<\/p>\n<p>Un poids mol\u00e9culaire plus \u00e9lev\u00e9 peut entra\u00eener une augmentation de la solidit\u00e9, de la t\u00e9nacit\u00e9 et de la r\u00e9sistance chimique, en fonction de la formulation et de la m\u00e9thode de fabrication sp\u00e9cifiques.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c625f3 elementor-widget elementor-widget-heading\" data-id=\"9c625f3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Les grades les plus courants sont les suivants :<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-abf55a3 e-con-full e-flex e-con e-child\" data-id=\"abf55a3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-59a465a e-con-full e-flex e-con e-child\" data-id=\"59a465a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-befb529 elementor-widget elementor-widget-text-editor\" data-id=\"befb529\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li><strong>HDPE 500 :<\/strong>\n<ul>\n<li>Ce type de PEHD, dont le poids mol\u00e9culaire est d&rsquo;environ 500 000, est connu pour sa grande r\u00e9sistance aux chocs et est couramment utilis\u00e9 dans la construction de cano\u00ebs et de bateaux.\nGr\u00e2ce \u00e0 sa r\u00e9sistance \u00e0 la corrosion due \u00e0 l&rsquo;eau sal\u00e9e et \u00e0 sa robustesse, les bateaux et les cano\u00ebs fabriqu\u00e9s en <strong>PEHD<\/strong> <strong>500<\/strong> sont durables et ne n\u00e9cessitent qu&rsquo;un minimum d&rsquo;entretien. <\/li>\n<\/ul>\n<\/li>\n<\/ul>\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<div class=\"elementor-element elementor-element-20243d8 e-con-full e-flex e-con e-child\" data-id=\"20243d8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fa7696c elementor-widget elementor-widget-image\" data-id=\"fa7696c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-im-Kanubau-1024x576.png\" class=\"attachment-large size-large wp-image-8541\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-im-Kanubau-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-im-Kanubau-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-im-Kanubau-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-im-Kanubau.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-67e6c8b e-con-full e-flex e-con e-child\" data-id=\"67e6c8b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-994cb5d e-con-full e-flex e-con e-child\" data-id=\"994cb5d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5849594 elementor-widget elementor-widget-image\" data-id=\"5849594\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-in-der-Lebensmittelindustrie-1024x576-1.png\" class=\"attachment-large size-large wp-image-20052\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-in-der-Lebensmittelindustrie-1024x576-1.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-in-der-Lebensmittelindustrie-1024x576-1-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/HDPE-in-der-Lebensmittelindustrie-1024x576-1-768x432.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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<\/div>\n\t\t<div class=\"elementor-element elementor-element-816bb8c e-con-full e-flex e-con e-child\" data-id=\"816bb8c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7ac4db0 elementor-widget elementor-widget-text-editor\" data-id=\"7ac4db0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li><strong>HDPE 300 :<\/strong>\n<ul>\n<li>Ce type de produit, dont le poids mol\u00e9culaire est d&rsquo;environ 300 000, est couramment utilis\u00e9 pour l&#8217;emballage des produits alimentaires.\nSa r\u00e9sistance aux produits chimiques et sa faible absorption d&rsquo;eau permettent de conserver la fra\u00eecheur des aliments et d&rsquo;\u00e9viter toute contamination.\nEn outre, le <strong>PEHD<\/strong> <strong>300<\/strong> est conforme aux normes de la FDA, ce qui signifie qu&rsquo;il ne pr\u00e9sente aucun danger pour le contact avec les aliments.  <\/li>\n<\/ul>\n<\/li>\n<\/ul>\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>\n\t\t<div class=\"elementor-element elementor-element-6401d94 e-con-full e-flex e-con e-child\" data-id=\"6401d94\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-71a6934 e-con-full e-flex e-con e-child\" data-id=\"71a6934\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2ab642b elementor-widget elementor-widget-text-editor\" data-id=\"2ab642b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li><span style=\"text-decoration: underline;\">HDPE 1000 :<\/span>\n<ul>\n<li>Avec un poids mol\u00e9culaire d&rsquo;environ 1 000 000, ce type de produit est couramment utilis\u00e9 dans les applications industrielles en raison de sa grande r\u00e9sistance \u00e0 l&rsquo;abrasion et aux influences chimiques.\nUn exemple est la production de paliers lisses ou de bandes d&rsquo;usure dans les syst\u00e8mes de convoyage, car ces pi\u00e8ces sont soumises \u00e0 une friction constante. <\/li>\n<\/ul>\n<\/li>\n<\/ul>\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<div class=\"elementor-element elementor-element-e9e1480 e-con-full e-flex e-con e-child\" data-id=\"e9e1480\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9bfabf1 elementor-widget elementor-widget-image\" data-id=\"9bfabf1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Verschleissschiene-HDPE-1024x576.png\" class=\"attachment-large size-large wp-image-8559\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Verschleissschiene-HDPE-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Verschleissschiene-HDPE-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Verschleissschiene-HDPE-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Verschleissschiene-HDPE.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-efecd1d elementor-widget elementor-widget-spacer\" data-id=\"efecd1d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-26b9975 elementor-widget elementor-widget-text-editor\" data-id=\"26b9975\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>En fonction des exigences sp\u00e9cifiques d&rsquo;une application, qu&rsquo;il s&rsquo;agisse de la r\u00e9sistance aux rayons UV, de la r\u00e9sistance m\u00e9canique ou de l&rsquo;aptitude au contact alimentaire, un grade particulier de <strong>PEHD<\/strong> peut \u00eatre s\u00e9lectionn\u00e9 pour obtenir les meilleurs r\u00e9sultats.\nCela souligne la polyvalence et l&rsquo;adaptabilit\u00e9 du <strong>PEHD<\/strong> dans divers secteurs industriels et commerciaux. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f7c342 elementor-widget elementor-widget-heading\" data-id=\"1f7c342\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Avantages de l'utilisation du poly\u00e9thyl\u00e8ne haute densit\u00e9<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93c669b elementor-widget elementor-widget-text-editor\" data-id=\"93c669b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li>Consistance chimique<\/li>\n<li>S\u00e9curit\u00e9 alimentaire<\/li>\n<li>Coh\u00e9rence des UV<\/li>\n<li>R\u00e9sistance \u00e0 l&rsquo;humidit\u00e9<\/li>\n<li>Durabilit\u00e9 et l\u00e9g\u00e8ret\u00e9<\/li>\n<li>Recyclabilit\u00e9<\/li>\n<li>Polyvalence<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-87f6761 elementor-widget elementor-widget-spacer\" data-id=\"87f6761\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\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\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Le poly\u00e9thyl\u00e8ne haute densit\u00e9 (PEHD) et le poly\u00e9thyl\u00e8ne (PE) sont tous deux des types de poly\u00e9thyl\u00e8ne, mais ils ont des propri\u00e9t\u00e9s diff\u00e9rentes en raison des diff\u00e9rences de production.<\/p>\n","protected":false},"author":3,"featured_media":13753,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[187],"tags":[],"class_list":["post-41380","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-connaissance"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/posts\/41380","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/comments?post=41380"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/posts\/41380\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/media\/13753"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/media?parent=41380"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/categories?post=41380"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/tags?post=41380"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}