{"id":2071,"date":"2021-01-20T15:39:14","date_gmt":"2021-01-20T14:39:14","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=2071"},"modified":"2025-09-29T21:59:45","modified_gmt":"2025-09-29T19:59:45","slug":"billes-en-polyoxymethylene-pom","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-plastique\/billes-en-polyoxymethylene-pom\/","title":{"rendered":"Billes en Polyoxym\u00e9thyl\u00e8ne (POM)"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Polyoxymethylene\">Billes en polyoxym\u00e9thyl\u00e8ne (POM\/ac\u00e9tal) \u2013 faible friction, stabilit\u00e9 dimensionnelle<\/a><\/h2>\n<p>Les Billes en Polyoxym\u00e9thyl\u00e8ne offrent une rigidit\u00e9 proche du m\u00e9tal avec un tr\u00e8s faible frottement, une excellente r\u00e9sistance \u00e0 l\u2019usure et une stabilit\u00e9 dimensionnelle remarquable. Disponibles en homopolym\u00e8re (POM-H) ou copolym\u00e8re (POM-C), elles fonctionnent de mani\u00e8re fiable dans les m\u00e9canismes de pr\u00e9cision, la gestion des fluides et les roulements \u00e0 faible \u00e0 moyen chargement, o\u00f9 la r\u00e9sistance \u00e0 la corrosion et le fonctionnement silencieux sont essentiels.<\/p>\n<h3>\ud83d\udd27 Caract\u00e9ristiques techniques cl\u00e9s<\/h3>\n<ul>\n<li><strong>Composition<\/strong> : POM-H \/ POM-C (qualit\u00e9s d\u2019ing\u00e9nierie)<\/li>\n<li><strong>Structure<\/strong> : Thermoplastique semi-cristallin<\/li>\n<li><strong>Duret\u00e9<\/strong> : Shore D ~80\u201385<\/li>\n<li><strong>Densit\u00e9<\/strong> : ~1,40\u20131,43 g\/cm\u00b3<\/li>\n<li><strong>Temp\u00e9rature de service<\/strong> : \u221240 \u00e0 +100 \u00b0C (court terme ~120 \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>Faible friction &amp; usure<\/strong> : Mouvement doux et silencieux<\/li>\n<li><strong>Stabilit\u00e9 dimensionnelle<\/strong> : Faible fluage, faible absorption d\u2019humidit\u00e9<\/li>\n<li><strong>R\u00e9sistance chimique<\/strong> : Carburants, huiles, nombreux solvants<\/li>\n<li><strong>Rapport r\u00e9sistance\/poids<\/strong> : Alternative rigide et l\u00e9g\u00e8re au m\u00e9tal<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Applications des Billes en Polyoxym\u00e9thyl\u00e8ne<\/h3>\n<ul>\n<li><strong>Roulements &amp; galets \u00e0 faible\/moyenne charge<\/strong><\/li>\n<li><strong>Vannes, si\u00e8ges, doseurs<\/strong><\/li>\n<li><strong>Pompes &amp; d\u00e9bitm\u00e8tres<\/strong><\/li>\n<li><strong>M\u00e9canismes de pr\u00e9cision &amp; 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 polyoxym\u00e9thyl\u00e8ne (POM\/ac\u00e9tal) \u2013 faible friction, stabilit\u00e9 dimensionnelle Les Billes en Polyoxym\u00e9thyl\u00e8ne offrent une rigidit\u00e9 proche du m\u00e9tal avec un tr\u00e8s faible frottement, une excellente r\u00e9sistance \u00e0 l\u2019usure et une stabilit\u00e9 dimensionnelle remarquable. Disponibles en homopolym\u00e8re (POM-H) ou copolym\u00e8re (POM-C), elles fonctionnent de mani\u00e8re fiable dans les m\u00e9canismes de pr\u00e9cision, la gestion des [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9120,"parent":2063,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2071","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 Polyoxym\u00e9thyl\u00e8ne (POM) \u2013 Rigidit\u00e9 et pr\u00e9cision<\/title>\n<meta name=\"description\" content=\"Billes en Polyoxym\u00e9thyl\u00e8ne : rigides, r\u00e9sistantes \u00e0 l\u2019usure et stables, id\u00e9ales pour roulements, pompes, vannes et applications m\u00e9caniques.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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