{"id":3023,"date":"2021-01-21T09:21:40","date_gmt":"2021-01-21T08:21:40","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=3023"},"modified":"2025-09-29T10:52:15","modified_gmt":"2025-09-29T08:52:15","slug":"esferas-de-cloreto-de-polivinila-pvc","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/pt-pt\/produtos\/esferas-de-plastico\/esferas-de-cloreto-de-polivinila-pvc\/","title":{"rendered":"Esferas de cloreto de polivinila (PVC)"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Polyvinyl_chloride\">Esferas de cloreto de polivinila (PVC) \u2013 dur\u00e1veis, resistentes quimicamente<\/a><\/h2>\n<p>As Esferas de cloreto de polivinila (PVC) oferecem resist\u00eancia qu\u00edmica robusta, estabilidade dimensional e opera\u00e7\u00e3o silenciosa e livre de corros\u00e3o a um custo muito competitivo. Dispon\u00edveis em graus r\u00edgidos (uPVC) e flex\u00edveis (plastificados), s\u00e3o indicadas quando corros\u00e3o de metais, peso ou custo s\u00e3o preocupa\u00e7\u00f5es\u2014como em v\u00e1lvulas, sistemas de dosagem e fun\u00e7\u00f5es leves de guia\/rolete.<\/p>\n<h3>\ud83d\udd27 Especifica\u00e7\u00f5es t\u00e9cnicas principais<\/h3>\n<ul>\n<li><strong>Composi\u00e7\u00e3o<\/strong>: PVC (uPVC r\u00edgido \/ graus flex\u00edveis plastificados)<\/li>\n<li><strong>Estrutura<\/strong>: Termopl\u00e1stico amorfo<\/li>\n<li><strong>Dureza<\/strong>: Shore D ~70\u201385 (uPVC); Shore A ~70\u201395 (flex\u00edvel)<\/li>\n<li><strong>Densidade<\/strong>: ~1,35\u20131,45 g\/cm\u00b3<\/li>\n<li><strong>Temperatura de servi\u00e7o<\/strong>: \u221215 a +60 \u00b0C (curto prazo ~+70 \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>Resist\u00eancia qu\u00edmica<\/strong>: \u00e1cidos, bases, sais<\/li>\n<li><strong>\u00c0 prova de corros\u00e3o<\/strong>: sem ferrugem ou efeitos galv\u00e2nicos<\/li>\n<li><strong>Estabilidade dimensional<\/strong>: baixa absor\u00e7\u00e3o de umidade<\/li>\n<li><strong>Custo-benef\u00edcio<\/strong>: alternativa econ\u00f4mica aos metais<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Aplica\u00e7\u00f5es das Esferas de cloreto de polivinila<\/h3>\n<ul>\n<li><strong>V\u00e1lvulas de reten\u00e7\u00e3o, sedes &amp; dosagem<\/strong><\/li>\n<li><strong>Bombas &amp; indicadores de vaz\u00e3o<\/strong><\/li>\n<li><strong>Rolos\/Guias leves<\/strong><\/li>\n<li><strong>Equipamentos para qu\u00edmica &amp; tratamento de \u00e1gua<\/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>Intervalo de di\u00e2metros<\/strong>: 1\/16&#8243; \u2013 4&#8243;<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Esferas de cloreto de polivinila (PVC) \u2013 dur\u00e1veis, resistentes quimicamente As Esferas de cloreto de polivinila (PVC) oferecem resist\u00eancia qu\u00edmica robusta, estabilidade dimensional e opera\u00e7\u00e3o silenciosa e livre de corros\u00e3o a um custo muito competitivo. Dispon\u00edveis em graus r\u00edgidos (uPVC) e flex\u00edveis (plastificados), s\u00e3o indicadas quando corros\u00e3o de metais, peso ou custo s\u00e3o preocupa\u00e7\u00f5es\u2014como [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9172,"parent":3007,"menu_order":8,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3023","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 cloreto de polivinila (PVC) \u2013 versatilidade<\/title>\n<meta name=\"description\" content=\"Esferas de cloreto de polivinila (PVC) s\u00e3o dur\u00e1veis, resistentes a produtos qu\u00edmicos e vers\u00e1teis para aplica\u00e7\u00f5es t\u00e9cnicas e industriais.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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