{"id":6453,"date":"2025-04-24T11:04:38","date_gmt":"2025-04-24T03:04:38","guid":{"rendered":"https:\/\/www.tfcomposite.com\/?p=6453"},"modified":"2025-07-29T15:07:31","modified_gmt":"2025-07-29T07:07:31","slug":"poudre-pe","status":"publish","type":"post","link":"https:\/\/www.tfcomposite.com\/fr\/poudre-pe","title":{"rendered":"Poudre PE"},"content":{"rendered":"<p class=\"\" data-start=\"309\" data-end=\"756\">\u00a0<\/p>\n<p class=\"\" data-start=\"758\" data-end=\"844\">En fonction de sa structure mol\u00e9culaire et de sa densit\u00e9, la poudre de PE est g\u00e9n\u00e9ralement class\u00e9e comme suit\u00a0:<\/p>\n<ul data-start=\"846\" data-end=\"1052\">\n<li class=\"\" data-start=\"846\" data-end=\"890\">\n<p class=\"\" data-start=\"848\" data-end=\"890\"><strong data-start=\"848\" data-end=\"890\">Poudre de poly\u00e9thyl\u00e8ne basse densit\u00e9 (PEBD)<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"891\" data-end=\"943\">\n<p class=\"\" data-start=\"893\" data-end=\"943\"><strong data-start=\"893\" data-end=\"943\">Poudre de poly\u00e9thyl\u00e8ne lin\u00e9aire basse densit\u00e9 (PEBDL)<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"944\" data-end=\"989\">\n<p class=\"\" data-start=\"946\" data-end=\"989\"><strong data-start=\"946\" data-end=\"989\">Poudre de poly\u00e9thyl\u00e8ne haute densit\u00e9 (PEHD)<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"990\" data-end=\"1052\">\n<p class=\"\" data-start=\"992\" data-end=\"1052\"><strong data-start=\"992\" data-end=\"1052\">Poudre de poly\u00e9thyl\u00e8ne \u00e0 ultra-haut poids mol\u00e9culaire (UHMWPE)<\/strong><\/p>\n<\/li>\n<\/ul>\n<hr class=\"\" data-start=\"1054\" data-end=\"1057\" \/>\n<h3 class=\"\" data-start=\"1059\" data-end=\"1102\">\ud83e\uddea <strong data-start=\"1066\" data-end=\"1102\">2. Types et qualit\u00e9s de poudre de PE<\/strong><\/h3>\n<div class=\"group pointer-events-none relative flex justify-center *:pointer-events-auto\"><button class=\"hover:bg-token-main-surface-secondary text-token-text-secondary pointer-events-auto rounded-lg px-1 py-1 opacity-0 transition-opacity duration-200 group-focus-within:opacity-100 group-hover:opacity-100\"><\/button><\/p>\n<div class=\"tableContainer horzScrollShadows relative\">\n<table class=\"min-w-full\" data-start=\"1104\" data-end=\"1679\">\n<thead data-start=\"1104\" data-end=\"1199\">\n<tr data-start=\"1104\" data-end=\"1199\">\n<th data-start=\"1104\" data-end=\"1117\">Taper<\/th>\n<th data-start=\"1117\" data-end=\"1141\">Plage de densit\u00e9 (g\/cm\u00b3)<\/th>\n<th data-start=\"1141\" data-end=\"1199\">Application typique<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1297\" data-end=\"1679\">\n<tr data-start=\"1297\" data-end=\"1392\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1297\" data-end=\"1310\">PEBD<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1310\" data-end=\"1335\">0,910\u20130,930<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1335\" data-end=\"1392\">Rev\u00eatements, adh\u00e9sifs, films<\/td>\n<\/tr>\n<tr data-start=\"1393\" data-end=\"1488\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1393\" data-end=\"1406\">PEBDL<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1406\" data-end=\"1431\">0,915\u20130,940<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1431\" data-end=\"1488\">R\u00e9servoirs et conteneurs de rotomoulage<\/td>\n<\/tr>\n<tr data-start=\"1489\" data-end=\"1584\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1489\" data-end=\"1502\">PEHD<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1502\" data-end=\"1527\">0,941\u20130,965<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1527\" data-end=\"1584\">Tuyaux, f\u00fbts, pi\u00e8ces automobiles<\/td>\n<\/tr>\n<tr data-start=\"1585\" data-end=\"1679\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1585\" data-end=\"1598\">UHMWPE<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1598\" data-end=\"1640\">&gt; 0,940 avec un poids mol\u00e9culaire tr\u00e8s \u00e9lev\u00e9<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1640\" data-end=\"1679\">Gilets pare-balles, doublures, roulements<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr class=\"\" data-start=\"1681\" data-end=\"1684\" \/>\n<h3 class=\"\" data-start=\"1686\" data-end=\"1729\">\ud83d\udd2c <strong data-start=\"1693\" data-end=\"1729\">3. Caract\u00e9ristiques et avantages du produit<\/strong><\/h3>\n<ul data-start=\"1731\" data-end=\"2296\">\n<li class=\"\" data-start=\"1731\" data-end=\"1818\">\n<p class=\"\" data-start=\"1733\" data-end=\"1818\">\u2714\ufe0f <strong data-start=\"1736\" data-end=\"1769\">Excellente r\u00e9sistance chimique<\/strong>R\u00e9siste aux acides, aux bases, aux alcools et aux sels.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1819\" data-end=\"1910\">\n<p class=\"\" data-start=\"1821\" data-end=\"1910\">\u2714\ufe0f <strong data-start=\"1824\" data-end=\"1848\">Faible absorption d&#039;eau<\/strong>Cela le rend id\u00e9al pour les applications marines et expos\u00e9es \u00e0 l&#039;humidit\u00e9.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1911\" data-end=\"1981\">\n<p class=\"\" data-start=\"1913\" data-end=\"1981\">\u2714\ufe0f <strong data-start=\"1916\" data-end=\"1942\">Bonne r\u00e9sistance aux chocs<\/strong>: Notamment les variantes LLDPE et UHMWPE.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1982\" data-end=\"2054\">\n<p class=\"\" data-start=\"1984\" data-end=\"2054\">\u2714\ufe0f <strong data-start=\"1987\" data-end=\"2017\">Isolation \u00e9lectrique \u00e9lev\u00e9e<\/strong>Convient aux rev\u00eatements de fils et de c\u00e2bles.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2055\" data-end=\"2137\">\n<p class=\"\" data-start=\"2057\" data-end=\"2137\">\u2714\ufe0f <strong data-start=\"2060\" data-end=\"2088\">Coefficient de frottement faible<\/strong>: En particulier le poly\u00e9thyl\u00e8ne UHMWPE, utilis\u00e9 dans les applications de glissement.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2138\" data-end=\"2219\">\n<p class=\"\" data-start=\"2140\" data-end=\"2219\">\u2714\ufe0f <strong data-start=\"2143\" data-end=\"2170\">Couleurs personnalis\u00e9es disponibles<\/strong>: Par ajout de m\u00e9lange-ma\u00eetre ou de qualit\u00e9s pr\u00e9-color\u00e9es.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2220\" data-end=\"2296\">\n<p class=\"\" data-start=\"2222\" data-end=\"2296\">\u2714\ufe0f <strong data-start=\"2225\" data-end=\"2248\">Grades approuv\u00e9s par la FDA<\/strong>: Convient au contact alimentaire et pharmaceutique.<\/p>\n<\/li>\n<\/ul>\n<hr class=\"\" data-start=\"2298\" data-end=\"2301\" \/>\n<h3 class=\"\" data-start=\"2303\" data-end=\"2360\">\u2699\ufe0f <strong data-start=\"2310\" data-end=\"2360\">4. Proc\u00e9d\u00e9s de fabrication utilisant de la poudre de PE<\/strong><\/h3>\n<h4 class=\"\" data-start=\"2362\" data-end=\"2408\">4.1. <strong data-start=\"2372\" data-end=\"2408\">Moulage rotationnel (Rotomoulage)<\/strong><\/h4>\n<ul data-start=\"2409\" data-end=\"2573\">\n<li class=\"\" data-start=\"2409\" data-end=\"2472\">\n<p class=\"\" data-start=\"2411\" data-end=\"2472\">Largement utilis\u00e9 dans les grands conteneurs creux, les r\u00e9servoirs de carburant et les bacs.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2473\" data-end=\"2573\">\n<p class=\"\" data-start=\"2475\" data-end=\"2573\">N\u00e9cessite <strong data-start=\"2484\" data-end=\"2523\">granulom\u00e9trie uniforme (35\u2013100 mesh)<\/strong> pour un frittage optimal et un contr\u00f4le pr\u00e9cis de l&#039;\u00e9paisseur des parois.<\/p>\n<\/li>\n<\/ul>\n<h4 class=\"\" data-start=\"2575\" data-end=\"2641\">4.2. <strong data-start=\"2585\" data-end=\"2641\">Rev\u00eatement en poudre \u00e9lectrostatique \/ Rev\u00eatement en lit fluidis\u00e9<\/strong><\/h4>\n<ul data-start=\"2642\" data-end=\"2764\">\n<li class=\"\" data-start=\"2642\" data-end=\"2690\">\n<p class=\"\" data-start=\"2644\" data-end=\"2690\">Utilis\u00e9 pour les paniers de lave-vaisselle, les cl\u00f4tures, les canalisations.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2691\" data-end=\"2764\">\n<p class=\"\" data-start=\"2693\" data-end=\"2764\">La poudre doit \u00eatre <strong data-start=\"2708\" data-end=\"2740\">chargeable \u00e9lectrostatiquement<\/strong>, souvent trait\u00e9s en surface.<\/p>\n<\/li>\n<\/ul>\n<h4 class=\"\" data-start=\"2766\" data-end=\"2805\">4.3. <strong data-start=\"2776\" data-end=\"2805\">Pr\u00e9paration et m\u00e9lange-ma\u00eetre<\/strong><\/h4>\n<ul data-start=\"2806\" data-end=\"2957\">\n<li class=\"\" data-start=\"2806\" data-end=\"2895\">\n<p class=\"\" data-start=\"2808\" data-end=\"2895\">La poudre de PE est un support ou une base dans les formulations de m\u00e9langes-ma\u00eetres pour colorants et additifs.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2896\" data-end=\"2957\">\n<p class=\"\" data-start=\"2898\" data-end=\"2957\"><strong data-start=\"2898\" data-end=\"2922\">Poudres fluides<\/strong> pr\u00e9f\u00e9r\u00e9 pour une alimentation r\u00e9guli\u00e8re.<\/p>\n<\/li>\n<\/ul>\n<h4 class=\"\" data-start=\"2959\" data-end=\"3004\">4.4. <strong data-start=\"2969\" data-end=\"3004\">Moulage par compression et frittage<\/strong><\/h4>\n<ul data-start=\"3005\" data-end=\"3102\">\n<li class=\"\" data-start=\"3005\" data-end=\"3102\">\n<p class=\"\" data-start=\"3007\" data-end=\"3102\">La poudre d&#039;UHMWPE est souvent utilis\u00e9e pour <strong data-start=\"3039\" data-end=\"3065\">pi\u00e8ces haute performance<\/strong>, y compris les joints d&#039;\u00e9tanch\u00e9it\u00e9, les engrenages et les guides.<\/p>\n<\/li>\n<\/ul>\n<hr class=\"\" data-start=\"3104\" data-end=\"3107\" \/>\n<h3 class=\"\" data-start=\"3109\" data-end=\"3149\">\ud83d\udcc4 <strong data-start=\"3116\" data-end=\"3149\">5. Fiche technique (FT)<\/strong><\/h3>\n<p class=\"\" data-start=\"3151\" data-end=\"3254\">Les valeurs ci-dessous repr\u00e9sentent un <strong data-start=\"3180\" data-end=\"3205\">sp\u00e9cifications typiques<\/strong>. Les donn\u00e9es r\u00e9elles peuvent varier selon la qualit\u00e9 et le fabricant.<\/p>\n<div class=\"group pointer-events-none relative flex justify-center *:pointer-events-auto\"><button class=\"hover:bg-token-main-surface-secondary text-token-text-secondary pointer-events-auto rounded-lg px-1 py-1 opacity-0 transition-opacity duration-200 group-focus-within:opacity-100 group-hover:opacity-100\"><\/button><\/p>\n<div class=\"tableContainer horzScrollShadows relative\">\n<table class=\"min-w-full\" data-start=\"3256\" data-end=\"5452\">\n<thead data-start=\"3256\" data-end=\"3353\">\n<tr data-start=\"3256\" data-end=\"3353\">\n<th data-start=\"3256\" data-end=\"3291\"><strong data-start=\"3258\" data-end=\"3270\">Propri\u00e9t\u00e9<\/strong><\/th>\n<th data-start=\"3291\" data-end=\"3318\"><strong data-start=\"3293\" data-end=\"3308\">M\u00e9thode d&#039;essai<\/strong><\/th>\n<th data-start=\"3318\" data-end=\"3353\"><strong data-start=\"3320\" data-end=\"3337\">Valeur typique<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3454\" data-end=\"5452\">\n<tr data-start=\"3454\" data-end=\"3553\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3454\" data-end=\"3489\"><strong data-start=\"3456\" data-end=\"3479\">Propri\u00e9t\u00e9s physiques<\/strong><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3489\" data-end=\"3517\">\u00a0<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3517\" data-end=\"3553\">\u00a0<\/td>\n<\/tr>\n<tr data-start=\"3554\" data-end=\"3653\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3554\" data-end=\"3589\">Apparence<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3589\" data-end=\"3617\">Inspection visuelle<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3617\" data-end=\"3653\">poudre blanche ou color\u00e9e<\/td>\n<\/tr>\n<tr data-start=\"3654\" data-end=\"3753\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3654\" data-end=\"3689\">Densit\u00e9 (PEBD)<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3689\" data-end=\"3717\">ASTM D1505<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3717\" data-end=\"3753\">0,920 g\/cm\u00b3<\/td>\n<\/tr>\n<tr data-start=\"3754\" data-end=\"3853\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3754\" data-end=\"3789\">Densit\u00e9 (PEHD)<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3789\" data-end=\"3817\">ASTM D1505<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3817\" data-end=\"3853\">0,955 g\/cm\u00b3<\/td>\n<\/tr>\n<tr data-start=\"3854\" data-end=\"3953\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3854\" data-end=\"3889\">Distribution granulom\u00e9trique<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3889\" data-end=\"3917\">Diffraction laser<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3917\" data-end=\"3953\">35 \u2013 100 mesh (personnalisable)<\/td>\n<\/tr>\n<tr data-start=\"3954\" data-end=\"4053\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3954\" data-end=\"3989\">Masse volumique apparente<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"3989\" data-end=\"4017\">ISO 60<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4017\" data-end=\"4053\">0,40 \u2013 0,55 g\/cm\u00b3<\/td>\n<\/tr>\n<tr data-start=\"4054\" data-end=\"4154\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4054\" data-end=\"4089\">Indice de fusion (190 \u00b0C\/2,16 kg)<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4089\" data-end=\"4117\">ASTM D1238<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4117\" data-end=\"4154\">0,3 \u2013 30 g\/10 min (sp\u00e9cifique \u00e0 la qualit\u00e9)<\/td>\n<\/tr>\n<tr data-start=\"4155\" data-end=\"4254\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4155\" data-end=\"4190\"><strong data-start=\"4157\" data-end=\"4182\">Propri\u00e9t\u00e9s m\u00e9caniques<\/strong><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4190\" data-end=\"4218\">\u00a0<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4218\" data-end=\"4254\">\u00a0<\/td>\n<\/tr>\n<tr data-start=\"4255\" data-end=\"4354\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4255\" data-end=\"4290\">R\u00e9sistance \u00e0 la traction \u00e0 la limite d&#039;\u00e9lasticit\u00e9<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4290\" data-end=\"4318\">ASTM D638<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4318\" data-end=\"4354\">10 \u2013 30 MPa<\/td>\n<\/tr>\n<tr data-start=\"4355\" data-end=\"4454\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4355\" data-end=\"4390\">Allongement \u00e0 la rupture<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4390\" data-end=\"4418\">ASTM D638<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4418\" data-end=\"4454\">400 \u2013 800%<\/td>\n<\/tr>\n<tr data-start=\"4455\" data-end=\"4553\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4455\" data-end=\"4489\">Module de flexion<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4489\" data-end=\"4517\">ASTM D790<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4517\" data-end=\"4553\">400 \u2013 1200 MPa<\/td>\n<\/tr>\n<tr data-start=\"4554\" data-end=\"4653\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4554\" data-end=\"4589\">R\u00e9sistance aux chocs (Izod)<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4589\" data-end=\"4617\">ASTM D256<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4617\" data-end=\"4653\">Pas de pause (encoche)<\/td>\n<\/tr>\n<tr data-start=\"4654\" data-end=\"4753\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4654\" data-end=\"4689\"><strong data-start=\"4656\" data-end=\"4678\">Propri\u00e9t\u00e9s thermiques<\/strong><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4689\" data-end=\"4717\">\u00a0<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4717\" data-end=\"4753\">\u00a0<\/td>\n<\/tr>\n<tr data-start=\"4754\" data-end=\"4853\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4754\" data-end=\"4789\">Point de fusion<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4789\" data-end=\"4817\">DSC<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4817\" data-end=\"4853\">110 \u00b0C (PEBD), 130 \u00b0C (PEHD)<\/td>\n<\/tr>\n<tr data-start=\"4854\" data-end=\"4953\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4854\" data-end=\"4889\">Point de ramollissement Vicat<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4889\" data-end=\"4917\">ASTM D1525<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4917\" data-end=\"4953\">95\u2013120\u00b0C<\/td>\n<\/tr>\n<tr data-start=\"4954\" data-end=\"5053\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4954\" data-end=\"4989\">Conductivit\u00e9 thermique<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"4989\" data-end=\"5017\">ASTM C177<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"5017\" data-end=\"5053\">0,40 W\/m\u00b7K<\/td>\n<\/tr>\n<tr data-start=\"5054\" data-end=\"5153\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"5054\" data-end=\"5089\"><strong data-start=\"5056\" data-end=\"5076\">Autres propri\u00e9t\u00e9s<\/strong><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"5089\" data-end=\"5117\">\u00a0<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"5117\" data-end=\"5153\">\u00a0<\/td>\n<\/tr>\n<tr data-start=\"5154\" data-end=\"5253\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"5154\" data-end=\"5189\">Absorption d&#039;eau (24 h)<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"5189\" data-end=\"5217\">ASTM D570<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"5217\" data-end=\"5253\">&lt;0,01%<\/td>\n<\/tr>\n<tr data-start=\"5254\" data-end=\"5352\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"5254\" data-end=\"5289\">Indice d&#039;inflammabilit\u00e9<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"5289\" data-end=\"5316\">UL94<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"5316\" data-end=\"5352\">HB (V-2 possible avec additifs)<\/td>\n<\/tr>\n<tr data-start=\"5353\" data-end=\"5452\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"5353\" data-end=\"5388\">Conformit\u00e9 au contact des aliments<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"5388\" data-end=\"5416\">FDA 21 CFR, UE 10\/2011<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"5416\" data-end=\"5452\">Disponible (qualit\u00e9 alimentaire uniquement)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr class=\"\" data-start=\"5454\" data-end=\"5457\" \/>\n<h3 class=\"\" data-start=\"5459\" data-end=\"5494\">\ud83d\udd12 <strong data-start=\"5466\" data-end=\"5494\">6. Emballage et stockage<\/strong><\/h3>\n<ul data-start=\"5496\" data-end=\"5794\">\n<li class=\"\" data-start=\"5496\" data-end=\"5596\">\n<p class=\"\" data-start=\"5498\" data-end=\"5596\">Emballage standard : <strong data-start=\"5518\" data-end=\"5532\">sacs de 20 kg<\/strong>, <strong data-start=\"5534\" data-end=\"5560\">big bags de 500 \u00e0 1000 kg<\/strong>, ou <strong data-start=\"5565\" data-end=\"5595\">chargements de conteneurs personnalis\u00e9s<\/strong>.<\/p>\n<\/li>\n<li class=\"\" data-start=\"5597\" data-end=\"5665\">\n<p class=\"\" data-start=\"5599\" data-end=\"5665\">La membrane barri\u00e8re anti-humidit\u00e9 est utilis\u00e9e dans les applications sensibles \u00e0 l&#039;humidit\u00e9.<\/p>\n<\/li>\n<li class=\"\" data-start=\"5666\" data-end=\"5712\">\n<p class=\"\" data-start=\"5668\" data-end=\"5712\">Dur\u00e9e de conservation : <strong data-start=\"5680\" data-end=\"5693\">12 mois<\/strong> en conditions s\u00e8ches.<\/p>\n<\/li>\n<li class=\"\" data-start=\"5713\" data-end=\"5794\">\n<p class=\"\" data-start=\"5715\" data-end=\"5794\">Conserver dans un <strong data-start=\"5726\" data-end=\"5757\">entrep\u00f4t frais, sec et ombrag\u00e9<\/strong>; \u00c9vitez la lumi\u00e8re directe du soleil et l&#039;humidit\u00e9.<\/p>\n<\/li>\n<\/ul>\n<hr class=\"\" data-start=\"5796\" data-end=\"5799\" \/>\n<h3 class=\"\" data-start=\"5801\" data-end=\"5849\">\ud83c\udf31 <strong data-start=\"5808\" data-end=\"5849\">7. Informations environnementales et de s\u00e9curit\u00e9<\/strong><\/h3>\n<ul data-start=\"5851\" data-end=\"6204\">\n<li class=\"\" data-start=\"5851\" data-end=\"5911\">\n<p class=\"\" data-start=\"5853\" data-end=\"5911\">La poudre PE est <strong data-start=\"5866\" data-end=\"5879\">non toxique<\/strong>, <strong data-start=\"5881\" data-end=\"5890\">inerte<\/strong>, et <strong data-start=\"5896\" data-end=\"5910\">recyclable<\/strong>.<\/p>\n<\/li>\n<li class=\"\" data-start=\"5912\" data-end=\"6025\">\n<p class=\"\" data-start=\"5914\" data-end=\"6025\"><strong data-start=\"5914\" data-end=\"5948\">La combustion produit du CO\u2082 et de l&#039;eau<\/strong>, mais il faut veiller \u00e0 ne pas surchauffer et \u00e0 \u00e9viter la formation de produits de d\u00e9composition.<\/p>\n<\/li>\n<li class=\"\" data-start=\"6026\" data-end=\"6121\">\n<p class=\"\" data-start=\"6028\" data-end=\"6121\">Au cours du traitement, <strong data-start=\"6047\" data-end=\"6079\">syst\u00e8mes de contr\u00f4le de la poussi\u00e8re et EPI<\/strong> sont tenus d&#039;\u00e9viter les risques d&#039;inhalation.<\/p>\n<\/li>\n<li class=\"\" data-start=\"6122\" data-end=\"6204\">\n<p class=\"\" data-start=\"6124\" data-end=\"6204\">Conforme aux <strong data-start=\"6138\" data-end=\"6146\">RoHS<\/strong>, <strong data-start=\"6148\" data-end=\"6157\">ATTEINDRE<\/strong>, et <strong data-start=\"6163\" data-end=\"6171\">DEEE<\/strong> directives (selon le niveau scolaire).<\/p>\n<\/li>\n<\/ul>\n<hr class=\"\" data-start=\"6206\" data-end=\"6209\" \/>\n<h3 class=\"\" data-start=\"6211\" data-end=\"6254\">\ud83d\udcca <strong data-start=\"6218\" data-end=\"6254\">8. Applications typiques par niveau scolaire<\/strong><\/h3>\n<div class=\"group pointer-events-none relative flex justify-center *:pointer-events-auto\"><button class=\"hover:bg-token-main-surface-secondary text-token-text-secondary pointer-events-auto rounded-lg px-1 py-1 opacity-0 transition-opacity duration-200 group-focus-within:opacity-100 group-hover:opacity-100\"><\/button><\/p>\n<div class=\"tableContainer horzScrollShadows relative\">\n<table class=\"min-w-full\" data-start=\"6256\" data-end=\"7216\">\n<thead data-start=\"6256\" data-end=\"6360\">\n<tr data-start=\"6256\" data-end=\"6360\">\n<th data-start=\"6256\" data-end=\"6277\"><strong data-start=\"6258\" data-end=\"6270\">Industrie<\/strong><\/th>\n<th data-start=\"6277\" data-end=\"6327\"><strong data-start=\"6279\" data-end=\"6286\">Utiliser<\/strong><\/th>\n<th data-start=\"6327\" data-end=\"6360\"><strong data-start=\"6329\" data-end=\"6354\">Poudre PE recommand\u00e9e<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"6468\" data-end=\"7216\">\n<tr data-start=\"6468\" data-end=\"6574\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"6468\" data-end=\"6489\">Automobile<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"6489\" data-end=\"6540\">R\u00e9servoirs de carburant, garde-boue, pi\u00e8ces sous le capot<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"6540\" data-end=\"6574\">PEBDL, PEHD<\/td>\n<\/tr>\n<tr data-start=\"6575\" data-end=\"6681\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"6575\" data-end=\"6596\">Construction<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"6596\" data-end=\"6647\">Tuyaux, conduits, panneaux muraux, rev\u00eatements de membrane<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"6647\" data-end=\"6681\">PEHD, PEBD<\/td>\n<\/tr>\n<tr data-start=\"6682\" data-end=\"6788\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"6682\" data-end=\"6703\">Biens de consommation<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\" data-start=\"6703\" data-end=\"6754\">Bouteilles d&#039;eau, r\u00e9cipients, articles m\u00e9nagers<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"6754\" data-end=\"6788\">PEBD, PEBDL<\/td>\n<\/tr>\n<tr data-start=\"6789\" data-end=\"6895\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"6789\" data-end=\"6810\">Agriculture<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"6810\" data-end=\"6861\">Tuyaux d&#039;irrigation, r\u00e9servoirs de stockage de produits chimiques<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"6861\" data-end=\"6895\">PEHD, qualit\u00e9s stabilis\u00e9es aux UV<\/td>\n<\/tr>\n<tr data-start=\"6896\" data-end=\"7002\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"6896\" data-end=\"6917\">\u00c9lectrique<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"6917\" data-end=\"6968\">Rev\u00eatements isolants, faisceaux de c\u00e2bles<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"6968\" data-end=\"7002\">PEBD, grades r\u00e9ticulables<\/td>\n<\/tr>\n<tr data-start=\"7003\" data-end=\"7109\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"7003\" data-end=\"7024\">Marin<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"7024\" data-end=\"7075\">Dispositifs de flottaison, bou\u00e9es, pi\u00e8ces de bateau<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"7075\" data-end=\"7109\">PEBDL, PEHD<\/td>\n<\/tr>\n<tr data-start=\"7110\" data-end=\"7216\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"7110\" data-end=\"7131\">Emballages alimentaires<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"7131\" data-end=\"7182\">Couches de film, bouchons, bacs<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"7182\" data-end=\"7216\">PEBD ou PEHD conformes aux normes de la FDA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr class=\"\" data-start=\"7218\" data-end=\"7221\" \/>\n<h3 class=\"\" data-start=\"7223\" data-end=\"7258\">\ud83e\uddf0 <strong data-start=\"7230\" data-end=\"7258\">9. Options de personnalisation<\/strong><\/h3>\n<p class=\"\" data-start=\"7260\" data-end=\"7309\">Les fabricants et les formulateurs proposent de la poudre de PE sous forme de :<\/p>\n<ul data-start=\"7311\" data-end=\"7562\">\n<li class=\"\" data-start=\"7311\" data-end=\"7360\">\n<p class=\"\" data-start=\"7313\" data-end=\"7360\">Divers <strong data-start=\"7321\" data-end=\"7339\">taille des particules<\/strong> (20 mesh \u2013 200 mesh)<\/p>\n<\/li>\n<li class=\"\" data-start=\"7361\" data-end=\"7403\">\n<p class=\"\" data-start=\"7363\" data-end=\"7403\"><strong data-start=\"7363\" data-end=\"7380\">Couleur assortie<\/strong> ou des poudres pr\u00e9-color\u00e9es<\/p>\n<\/li>\n<li class=\"\" data-start=\"7404\" data-end=\"7472\">\n<p class=\"\" data-start=\"7406\" data-end=\"7472\"><strong data-start=\"7406\" data-end=\"7420\">Antistatique<\/strong>, <strong data-start=\"7422\" data-end=\"7439\">stabilis\u00e9 aux UV<\/strong>, ou <strong data-start=\"7444\" data-end=\"7463\">ignifuge<\/strong> versions<\/p>\n<\/li>\n<li class=\"\" data-start=\"7473\" data-end=\"7522\">\n<p class=\"\" data-start=\"7475\" data-end=\"7522\">PE\/PP <strong data-start=\"7481\" data-end=\"7491\">m\u00e9langes<\/strong> ou <strong data-start=\"7495\" data-end=\"7515\">contenu recycl\u00e9<\/strong> notes<\/p>\n<\/li>\n<li class=\"\" data-start=\"7523\" data-end=\"7562\">\n<p class=\"\" data-start=\"7525\" data-end=\"7562\">Approuv\u00e9 par la FDA\/NSF <strong data-start=\"7542\" data-end=\"7562\">qualit\u00e9 alimentaire<\/strong><\/p>\n<\/li>\n<\/ul>\n<hr class=\"\" data-start=\"7564\" data-end=\"7567\" \/>\n<h3 class=\"\" data-start=\"7569\" data-end=\"7617\">\ud83e\udd14 <strong data-start=\"7576\" data-end=\"7617\">10. Foire aux questions (FAQ)<\/strong><\/h3>\n<p class=\"\" data-start=\"7619\" data-end=\"7807\"><strong data-start=\"7619\" data-end=\"7662\">Q1 : Puis-je utiliser de la poudre de PE en impression 3D ?<\/strong><br data-start=\"7662\" data-end=\"7665\" \/><br \/>\n\ud83d\udc49 Certains fabricants proposent <strong data-start=\"7693\" data-end=\"7725\">compatible avec la fusion sur lit de poudre<\/strong> Les qualit\u00e9s PE sont utilis\u00e9es, mais g\u00e9n\u00e9ralement d&#039;autres polym\u00e8res (par exemple, le PA12) sont pr\u00e9f\u00e9r\u00e9s pour la pr\u00e9cision.<\/p>\n<p class=\"\" data-start=\"7809\" data-end=\"7977\"><strong data-start=\"7809\" data-end=\"7880\">Q2 : Comment assurer une bonne dispersion de la poudre de PE dans un syst\u00e8me de r\u00e9sine ?<\/strong><br data-start=\"7880\" data-end=\"7883\" \/><br \/>\n\ud83d\udc49 Utilisez <strong data-start=\"7890\" data-end=\"7911\">m\u00e9langeurs \u00e0 cisaillement \u00e9lev\u00e9<\/strong>, et, \u00e9ventuellement, des poudres trait\u00e9es en surface pour am\u00e9liorer la compatibilit\u00e9.<\/p>\n<p class=\"\" data-start=\"7979\" data-end=\"8134\"><strong data-start=\"7979\" data-end=\"8014\">Q3 : La poudre de PE est-elle biod\u00e9gradable ?<\/strong><br data-start=\"8014\" data-end=\"8017\" \/><br \/>\n\ud83d\udc49 Non. Le poly\u00e9thyl\u00e8ne standard est <strong data-start=\"8049\" data-end=\"8070\">non biod\u00e9gradable<\/strong>, mais <strong data-start=\"8076\" data-end=\"8094\">oxo-d\u00e9gradable<\/strong> ou <strong data-start=\"8098\" data-end=\"8120\">m\u00e9lange de biopolym\u00e8res<\/strong> Les notes existent.<\/p>\n<p class=\"\" data-start=\"8136\" data-end=\"8265\"><strong data-start=\"8136\" data-end=\"8179\">Q4\u00a0: La poudre de PE r\u00e9tr\u00e9cit-elle en refroidissant\u00a0?<\/strong><br data-start=\"8179\" data-end=\"8182\" \/><br \/>\n\ud83d\udc49 Oui, surtout le PEHD. La conception du moule doit en tenir compte. <strong data-start=\"8236\" data-end=\"8264\">taux de r\u00e9tr\u00e9cissement (~1,5\u20134%)<\/strong>.<\/p>\n<p class=\"\" data-start=\"8267\" data-end=\"8446\"><strong data-start=\"8267\" data-end=\"8332\">Q5 : La poudre de PE peut-elle \u00eatre utilis\u00e9e avec de la fibre de verre ou des charges min\u00e9rales ?<\/strong><br data-start=\"8332\" data-end=\"8335\" \/><br \/>\n\ud83d\udc49 Oui, et c&#039;est souvent le cas <strong data-start=\"8359\" data-end=\"8402\">m\u00e9lang\u00e9 avec du talc, de la fibre de verre ou du mica<\/strong> pour am\u00e9liorer la rigidit\u00e9 ou la r\u00e9sistance thermique.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u00a0 Selon leur structure mol\u00e9culaire et leur densit\u00e9, les poudres de poly\u00e9thyl\u00e8ne sont g\u00e9n\u00e9ralement class\u00e9es comme suit\u00a0: poudre de poly\u00e9thyl\u00e8ne basse densit\u00e9 (PEBD), poudre de poly\u00e9thyl\u00e8ne lin\u00e9aire basse densit\u00e9 (PEBDL), poudre de poly\u00e9thyl\u00e8ne haute densit\u00e9 (PEHD), poudre de poly\u00e9thyl\u00e8ne \u00e0 ultra-haut poids mol\u00e9culaire (PEUHMW). \ud83e\uddea 2. Types et qualit\u00e9s de poudres de poly\u00e9thyl\u00e8ne\u00a0: Type\u00a0: Plage de densit\u00e9 (g\/cm\u00b3)\u00a0: Application typique\u00a0: PEBD\u00a0: 0,910\u20130,930\u00a0: Rev\u00eatements, adh\u00e9sifs, films\u00a0; PEBDL\u00a0: 0,915\u20130,940\u00a0: Rotomoulage [\u2026]<\/p>","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[332,334],"class_list":["post-6453","post","type-post","status-publish","format-standard","hentry","category-proxy-products","tag-glass-fiber-auxiliary-material-bpo-paste","tag-pe-powder"],"_links":{"self":[{"href":"https:\/\/www.tfcomposite.com\/fr\/wp-json\/wp\/v2\/posts\/6453","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tfcomposite.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tfcomposite.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tfcomposite.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tfcomposite.com\/fr\/wp-json\/wp\/v2\/comments?post=6453"}],"version-history":[{"count":1,"href":"https:\/\/www.tfcomposite.com\/fr\/wp-json\/wp\/v2\/posts\/6453\/revisions"}],"predecessor-version":[{"id":6454,"href":"https:\/\/www.tfcomposite.com\/fr\/wp-json\/wp\/v2\/posts\/6453\/revisions\/6454"}],"wp:attachment":[{"href":"https:\/\/www.tfcomposite.com\/fr\/wp-json\/wp\/v2\/media?parent=6453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tfcomposite.com\/fr\/wp-json\/wp\/v2\/categories?post=6453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tfcomposite.com\/fr\/wp-json\/wp\/v2\/tags?post=6453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}