{"id":3013,"date":"2021-01-21T09:20:33","date_gmt":"2021-01-21T08:20:33","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=3013"},"modified":"2025-09-29T10:44:19","modified_gmt":"2025-09-29T08:44:19","slug":"esferas-de-pmma-acrilico","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/pt-pt\/produtos\/esferas-de-plastico\/esferas-de-pmma-acrilico\/","title":{"rendered":"Esferas de PMMA (Acr\u00edlico)"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Poly(methyl_methacrylate)\">Esferas de PMMA (Acr\u00edlico) \u2013 transpar\u00eancia \u00f3ptica e desempenho leve<\/a><\/h2>\n<p>As esferas de PMMA (acr\u00edlico) combinam transpar\u00eancia semelhante ao vidro com baixa massa e opera\u00e7\u00e3o livre de corros\u00e3o. Ideais quando visibilidade, est\u00e9tica e movimento limpo e silencioso s\u00e3o essenciais\u2014como em indica\u00e7\u00e3o de fluxo, v\u00e1lvulas de reten\u00e7\u00e3o e instrumenta\u00e7\u00e3o\u2014o PMMA oferece desempenho est\u00e1vel e preciso sem o peso ou a corros\u00e3o dos metais.<\/p>\n<h3>\ud83d\udd27 Principais especifica\u00e7\u00f5es t\u00e9cnicas<\/h3>\n<ul>\n<li><strong>Composi\u00e7\u00e3o<\/strong>: PMMA (polimetil metacrilato), graus \u00f3pticos\/de engenharia<\/li>\n<li><strong>Estrutura<\/strong>: Termopl\u00e1stico amorfo<\/li>\n<li><strong>Dureza<\/strong>: Shore D ~80\u201390<\/li>\n<li><strong>Densidade<\/strong>: ~1,18 g\/cm\u00b3<\/li>\n<li><strong>Temperatura de servi\u00e7o<\/strong>: \u221240 a +80 \u00b0C (curto prazo +100 \u00b0C)<\/li>\n<li><strong>\u00d3ptico<\/strong>: Alta transpar\u00eancia (~92% de transmiss\u00e3o de luz); excelente isolante; n\u00e3o magn\u00e9ticas<\/li>\n<\/ul>\n<h3>\u2705 Vantagens das Esferas de PMMA (acr\u00edlico)<\/h3>\n<ul>\n<li><strong>Transpar\u00eancia \u00f3ptica<\/strong>: Apar\u00eancia semelhante ao vidro; pol\u00edveis<\/li>\n<li><strong>Leves &amp; silenciosas<\/strong>: Baixa in\u00e9rcia, baixo ru\u00eddo<\/li>\n<li><strong>Resist\u00eancia a intemp\u00e9ries &amp; UV<\/strong>: Boa durabilidade externa<\/li>\n<li><strong>\u00c0 prova de corros\u00e3o<\/strong>: Sem ferrugem; baixa absor\u00e7\u00e3o de umidade<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Aplica\u00e7\u00f5es<\/h3>\n<ul>\n<li><strong>Indicadores de fluxo &amp; esferas de visada<\/strong><\/li>\n<li><strong>V\u00e1lvulas de reten\u00e7\u00e3o &amp; dispensadores<\/strong><\/li>\n<li><strong>Instrumenta\u00e7\u00e3o &amp; dispositivos de laborat\u00f3rio<\/strong><\/li>\n<li><strong>Exibi\u00e7\u00e3o, cosm\u00e9tico &amp; mecanismos de POS<\/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 PMMA (Acr\u00edlico) \u2013 transpar\u00eancia \u00f3ptica e desempenho leve As esferas de PMMA (acr\u00edlico) combinam transpar\u00eancia semelhante ao vidro com baixa massa e opera\u00e7\u00e3o livre de corros\u00e3o. Ideais quando visibilidade, est\u00e9tica e movimento limpo e silencioso s\u00e3o essenciais\u2014como em indica\u00e7\u00e3o de fluxo, v\u00e1lvulas de reten\u00e7\u00e3o e instrumenta\u00e7\u00e3o\u2014o PMMA oferece desempenho est\u00e1vel e preciso [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9112,"parent":3007,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3013","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 PMMA (Acr\u00edlico) \u2013 transpar\u00eancia e leveza<\/title>\n<meta name=\"description\" content=\"Esferas de PMMA (Acr\u00edlico) oferecem alta transpar\u00eancia \u00f3ptica, baixo peso e boa resist\u00eancia, ideais para aplica\u00e7\u00f5es t\u00e9cnicas e industriais.\" 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