{"id":2073,"date":"2021-01-20T15:39:29","date_gmt":"2021-01-20T14:39:29","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=2073"},"modified":"2025-09-29T22:01:17","modified_gmt":"2025-09-29T20:01:17","slug":"billes-en-polypropylene-pp","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-plastique\/billes-en-polypropylene-pp\/","title":{"rendered":"Billes en Polypropyl\u00e8ne (PP)"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Polypropylene\">Billes en polypropyl\u00e8ne (PP) \u2013 ultra-l\u00e9g\u00e8res, r\u00e9sistantes chimiquement, \u00e9conomiques<\/a><\/h2>\n<p>Les billes en polypropyl\u00e8ne (PP) offrent une tr\u00e8s faible densit\u00e9, une excellente r\u00e9sistance chimique et un fonctionnement propre, non magn\u00e9tique. Thermoplastique technique semi-cristallin, le PP assure une marche silencieuse et une faible absorption d\u2019humidit\u00e9, id\u00e9al pour flotteurs, dosage et fluides non agressifs lorsque le poids et la corrosion sont d\u00e9terminants.<\/p>\n<h3>\ud83d\udd27 Caract\u00e9ristiques techniques cl\u00e9s<\/h3>\n<ul>\n<li><strong>Composition<\/strong> : Homopolym\u00e8re de polypropyl\u00e8ne ou grades copolym\u00e8re al\u00e9atoire<\/li>\n<li><strong>Structure<\/strong> : Thermoplastique semi-cristallin<\/li>\n<li><strong>Duret\u00e9<\/strong> : Shore D ~65\u201375 (env.)<\/li>\n<li><strong>Densit\u00e9<\/strong> : ~0,90\u20130,91 g\/cm\u00b3 (flotte dans l\u2019eau)<\/li>\n<li><strong>Temp\u00e9rature de service<\/strong> : ~\u221210 \u00e0 +95 \u00b0C (court terme jusqu\u2019\u00e0 ~110 \u00b0C ; selon le grade)<\/li>\n<li><strong>R\u00e9sistance chimique<\/strong> : Excellente vs eau, sels, acides, bases ; limit\u00e9e vs oxydants forts\/aromatiques<\/li>\n<li><strong>Absorption d\u2019humidit\u00e9<\/strong> : Tr\u00e8s faible ; <strong>\u00c9lectrique<\/strong> : bon isolant ; <strong>Magn\u00e9tique<\/strong> : non magn\u00e9tique<\/li>\n<li><strong>Contact alimentaire<\/strong> : Grades conformes disponibles (sur demande)<\/li>\n<\/ul>\n<h3>\u2705 Avantages<\/h3>\n<ul>\n<li><strong>Ultra-l\u00e9g\u00e8ret\u00e9<\/strong> : R\u00e9duit l\u2019inertie et le bruit<\/li>\n<li><strong>Anticorrosion<\/strong> dans de nombreux milieux aqueux\/alcalins<\/li>\n<li><strong>Faible absorption d\u2019humidit\u00e9<\/strong> avec dimensions stables<\/li>\n<li><strong>Non \u00e9tincelant &amp; non magn\u00e9tique<\/strong><\/li>\n<li><strong>\u00c9conomiques<\/strong> : Rentables pour grands volumes<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Applications des billes en polypropyl\u00e8ne<\/h3>\n<ul>\n<li><strong>Flotteurs &amp; indicateurs de niveau<\/strong> : Indicateurs flottants et stables<\/li>\n<li><strong>Vannes &amp; dosage<\/strong> : Billes clapet pour milieux non agressifs<\/li>\n<li><strong>Traitement de l\u2019eau &amp; mat\u00e9riel de laboratoire<\/strong><\/li>\n<li><strong>Utilit\u00e9s agroalimentaires\/pharma<\/strong> (avec grades conformes)<\/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, DIN 5401, AFBMA (tol\u00e9rances \u00e9quivalentes)<\/a><\/li>\n<li><strong>Plage de diam\u00e8tres<\/strong> : Tailles imp\u00e9riales et m\u00e9triques standard ; dimensions sp\u00e9ciales\/sur mesure sur demande<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Billes en polypropyl\u00e8ne (PP) \u2013 ultra-l\u00e9g\u00e8res, r\u00e9sistantes chimiquement, \u00e9conomiques Les billes en polypropyl\u00e8ne (PP) offrent une tr\u00e8s faible densit\u00e9, une excellente r\u00e9sistance chimique et un fonctionnement propre, non magn\u00e9tique. Thermoplastique technique semi-cristallin, le PP assure une marche silencieuse et une faible absorption d\u2019humidit\u00e9, id\u00e9al pour flotteurs, dosage et fluides non agressifs lorsque le poids [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9132,"parent":2063,"menu_order":5,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2073","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 Polypropyl\u00e8ne (PP) \u2013 L\u00e9g\u00e8ret\u00e9 et r\u00e9sistance chimique<\/title>\n<meta name=\"description\" content=\"Billes en Polypropyl\u00e8ne (PP) : l\u00e9g\u00e8res, r\u00e9sistantes aux produits chimiques et \u00e9conomiques, adapt\u00e9es aux pompes, vannes et usages industriels.\" \/>\n<meta name=\"robots\" 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