{"id":3015,"date":"2021-01-21T09:20:47","date_gmt":"2021-01-21T08:20:47","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=3015"},"modified":"2025-09-29T10:47:22","modified_gmt":"2025-09-29T08:47:22","slug":"esferas-de-polioximetileno-pom","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/pt-pt\/produtos\/esferas-de-plastico\/esferas-de-polioximetileno-pom\/","title":{"rendered":"Esferas de polioximetileno (POM)"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Polyoxymethylene\">Esferas de polioximetileno (POM\/Acetal\/Delrin) \u2013 baixo atrito, estabilidade dimensional<\/a><\/h2>\n<p>As esferas de polioximetileno (POM) oferecem rigidez semelhante \u00e0 do metal com atrito muito baixo, excelente resist\u00eancia ao desgaste e not\u00e1vel estabilidade dimensional. Dispon\u00edveis como homopol\u00edmero (POM-H) ou copol\u00edmero (POM-C), atuam de forma confi\u00e1vel em mecanismos de precis\u00e3o, manuseio de fluidos e rolamentos de baixa a m\u00e9dia carga, onde importam a resist\u00eancia \u00e0 corros\u00e3o e o funcionamento silencioso.<\/p>\n<h3>\ud83d\udd27 Principais especifica\u00e7\u00f5es t\u00e9cnicas<\/h3>\n<ul>\n<li><strong>Composi\u00e7\u00e3o<\/strong>: POM-H \/ POM-C (graus de engenharia)<\/li>\n<li><strong>Estrutura<\/strong>: Termopl\u00e1stico semicristalino<\/li>\n<li><strong>Dureza<\/strong>: Shore D ~80\u201385<\/li>\n<li><strong>Densidade<\/strong>: ~1,40\u20131,43 g\/cm\u00b3<\/li>\n<li><strong>Temperatura de servi\u00e7o<\/strong>: \u221240 a +100 \u00b0C (curto prazo ~120 \u00b0C)<\/li>\n<li><strong>El\u00e9trico<\/strong>: Bom isolante; n\u00e3o magn\u00e9ticas<\/li>\n<\/ul>\n<h3>\u2705 Vantagens<\/h3>\n<ul>\n<li><strong>Baixo atrito &amp; desgaste<\/strong>: Movimento suave e silencioso<\/li>\n<li><strong>Estabilidade dimensional<\/strong>: Baixo creep, baixa absor\u00e7\u00e3o de umidade<\/li>\n<li><strong>Resist\u00eancia qu\u00edmica<\/strong>: Combust\u00edveis, \u00f3leos, muitos solventes<\/li>\n<li><strong>Rela\u00e7\u00e3o resist\u00eancia\/peso<\/strong>: Alternativa r\u00edgida e leve ao metal<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Aplica\u00e7\u00f5es das Esferas de polioximetileno (POM)<\/h3>\n<ul>\n<li><strong>Rolamentos &amp; roletes de baixa\/m\u00e9dia carga<\/strong><\/li>\n<li><strong>V\u00e1lvulas, sedes, dispensadores<\/strong><\/li>\n<li><strong>Bombas &amp; medidores de vaz\u00e3o<\/strong><\/li>\n<li><strong>Mecanismos de precis\u00e3o &amp; guias<\/strong><\/li>\n<\/ul>\n<h3>\ud83d\udce6 Classes &amp; tamanhos dispon\u00edveis<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\"><strong>Classes<\/strong>: ISO 3290 GI \u2013 GIII<\/a><\/li>\n<li><strong>Faixa de di\u00e2metros<\/strong>: 1\/16&#8243; \u2013 4&#8243;<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Esferas de polioximetileno (POM\/Acetal\/Delrin) \u2013 baixo atrito, estabilidade dimensional As esferas de polioximetileno (POM) oferecem rigidez semelhante \u00e0 do metal com atrito muito baixo, excelente resist\u00eancia ao desgaste e not\u00e1vel estabilidade dimensional. Dispon\u00edveis como homopol\u00edmero (POM-H) ou copol\u00edmero (POM-C), atuam de forma confi\u00e1vel em mecanismos de precis\u00e3o, manuseio de fluidos e rolamentos de baixa [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9124,"parent":3007,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3015","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>Esferas de polioximetileno (POM) \u2013 precis\u00e3o e resist\u00eancia<\/title>\n<meta name=\"description\" content=\"Esferas de polioximetileno (POM) oferecem alta rigidez, resist\u00eancia ao desgaste e estabilidade dimensional em aplica\u00e7\u00f5es industriais.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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