{"id":2077,"date":"2021-01-20T15:39:56","date_gmt":"2021-01-20T14:39:56","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=2077"},"modified":"2025-09-29T22:04:54","modified_gmt":"2025-09-29T20:04:54","slug":"billes-en-polyurethane-pur","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-plastique\/billes-en-polyurethane-pur\/","title":{"rendered":"Billes en Polyur\u00e9thane (PUR)"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Polyurethane\">Billes en polyur\u00e9thane (PUR) \u2013 r\u00e9silience \u00e9lev\u00e9e, contact non marquant<\/a><\/h2>\n<p>Les billes en polyur\u00e9thane (PUR) associent grande r\u00e9silience, r\u00e9sistance \u00e0 l\u2019abrasion et amortissement du bruit avec un contact qui ne marque pas les surfaces. Id\u00e9ales lorsque l\u2019absorption des chocs, le mouvement silencieux et la protection des surfaces comptent\u2014comme dans les clapets anti-retour, alimentateurs et paliers basse vitesse\u2014le PUR offre des performances durables et adh\u00e9rentes sans le poids ni la corrosion des m\u00e9taux.<\/p>\n<h3>\ud83d\udd27 Caract\u00e9ristiques techniques cl\u00e9s<\/h3>\n<ul>\n<li><strong>Composition<\/strong> : \u00c9lastom\u00e8re PUR coul\u00e9 (polyester ou poly\u00e9ther) \/ grades TPU<\/li>\n<li><strong>Structure<\/strong> : \u00c9lastom\u00e8re r\u00e9ticul\u00e9 ou thermoplastique<\/li>\n<li><strong>Duret\u00e9<\/strong> : Shore A ~70\u201395 (option Shore D ~45\u201360)<\/li>\n<li><strong>Densit\u00e9<\/strong> : ~1.10\u20131.25 g\/cm\u00b3<\/li>\n<li><strong>Temp\u00e9rature de service<\/strong> : \u221230 \u00e0 +80 \u00b0C (court terme ~+90 \u00b0C)<\/li>\n<li><strong>\u00c9lectrique<\/strong> : Bon isolant ; non magn\u00e9tique<\/li>\n<\/ul>\n<h3>\u2705 Avantages<\/h3>\n<ul>\n<li><strong>R\u00e9sistance \u00e0 l\u2019abrasion &amp; \u00e0 la coupure<\/strong><\/li>\n<li><strong>Amortissement des chocs &amp; du bruit<\/strong><\/li>\n<li><strong>Adh\u00e9rence non marquante<\/strong> : Grande friction, contact doux<\/li>\n<li><strong>Tol\u00e9rance chimique<\/strong> : Bonne avec huiles\/graisses ; le PUR poly\u00e9ther r\u00e9siste \u00e0 l\u2019hydrolyse<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Applications des billes en polyur\u00e9thane<\/h3>\n<ul>\n<li><strong>Clapets anti-retour &amp; si\u00e8ges<\/strong><\/li>\n<li><strong>Alimentateurs vibrants &amp; trieurs<\/strong><\/li>\n<li><strong>Rouleaux\/paliers basse vitesse<\/strong><\/li>\n<li><strong>But\u00e9es, accouplements, guidages<\/strong><\/li>\n<\/ul>\n<h3>\ud83d\udce6 Qualit\u00e9s &amp; dimensions disponibles<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\"><strong>Qualit\u00e9s<\/strong> : ISO 3290 GI \u2013 GIII<\/a><\/li>\n<li><strong>Plage de diam\u00e8tres<\/strong> : 1\/16&Prime; \u2013 4&Prime;<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Billes en polyur\u00e9thane (PUR) \u2013 r\u00e9silience \u00e9lev\u00e9e, contact non marquant Les billes en polyur\u00e9thane (PUR) associent grande r\u00e9silience, r\u00e9sistance \u00e0 l\u2019abrasion et amortissement du bruit avec un contact qui ne marque pas les surfaces. Id\u00e9ales lorsque l\u2019absorption des chocs, le mouvement silencieux et la protection des surfaces comptent\u2014comme dans les clapets anti-retour, alimentateurs et [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9156,"parent":2063,"menu_order":7,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2077","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Billes en Polyur\u00e9thane (PUR) \u2013 \u00c9lasticit\u00e9 et r\u00e9sistance \u00e0 l\u2019usure<\/title>\n<meta name=\"description\" content=\"Billes en Polyur\u00e9thane (PUR) \u00e9lastiques, r\u00e9sistantes \u00e0 l\u2019abrasion et durables, id\u00e9ales pour roulements, pompes, vannes et usages techniques\" \/>\n<meta name=\"robots\" content=\"index, follow, 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