{"id":3003,"date":"2021-01-21T09:17:50","date_gmt":"2021-01-21T08:17:50","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=3003"},"modified":"2025-09-29T11:00:46","modified_gmt":"2025-09-29T09:00:46","slug":"esferas-de-vidro-borossilicato","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/pt-pt\/produtos\/esferas-de-vidro\/esferas-de-vidro-borossilicato\/","title":{"rendered":"Esferas de vidro borossilicato"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Borosilicate_glass\">Esferas de vidro borossilicato \u2013 alta clareza, resistentes a choque t\u00e9rmico<\/a><\/h2>\n<p>As esferas de vidro borossilicato combinam clareza \u00f3ptica com baixa expans\u00e3o t\u00e9rmica e excelente durabilidade qu\u00edmica. Ideais para fluidos limpos, servi\u00e7o em alta temperatura e aplica\u00e7\u00f5es de visualiza\u00e7\u00e3o\/pr\u00e9-fluxo onde metais corroem ou pol\u00edmeros amolecem, proporcionam movimento suave de baixo atrito e longa vida \u00fatil.<\/p>\n<h3>\ud83d\udd27 Especifica\u00e7\u00f5es t\u00e9cnicas chave<\/h3>\n<ul>\n<li><strong>Composi\u00e7\u00e3o<\/strong>: SiO\u2082 ~80%, B\u2082O\u2083 ~12\u201313%, Na\u2082O\/K\u2082O ~4\u20135%, Al\u2082O\u2083 ~2\u20133%<\/li>\n<li><strong>Estrutura<\/strong>: Vidro amorfo (baixa expans\u00e3o)<\/li>\n<li><strong>Dureza<\/strong>: Mohs ~6\u20137<\/li>\n<li><strong>Densidade<\/strong>: ~2,23 g\/cm\u00b3<\/li>\n<li><strong>Temperatura de servi\u00e7o<\/strong>: ~\u221250 a +230 \u00b0C (amolecimento ~820 \u00b0C)<\/li>\n<li><strong>El\u00e9trico<\/strong>: Excelente isolante; n\u00e3o magn\u00e9ticas<\/li>\n<\/ul>\n<h3>\u2705 Vantagens<\/h3>\n<ul>\n<li><strong>Resist\u00eancia a choque t\u00e9rmico<\/strong>: Baixa expans\u00e3o (\u22483,3\u00d710\u207b\u2076\/K)<\/li>\n<li><strong>Durabilidade qu\u00edmica<\/strong>: Forte resist\u00eancia a \u00e1cidos\/solventes<\/li>\n<li><strong>Clareza \u00f3ptica<\/strong>: Indica\u00e7\u00e3o visual limpa<\/li>\n<li><strong>Superf\u00edcie lisa e de baixo atrito<\/strong><\/li>\n<\/ul>\n<h3>\ud83d\udd04 Aplica\u00e7\u00f5es das esferas de vidro borossilicato<\/h3>\n<ul>\n<li><strong>Indicadores de fluxo &amp; esferas de inspe\u00e7\u00e3o<\/strong><\/li>\n<li><strong>V\u00e1lvulas de reten\u00e7\u00e3o &amp; sistemas de dosagem<\/strong><\/li>\n<li><strong>Dispositivos laboratoriais &amp; anal\u00edticos<\/strong><\/li>\n<li><strong>Bombas, atomizadores, dosagem<\/strong><\/li>\n<\/ul>\n<h3>\ud83d\udce6 Graus &amp; tamanhos dispon\u00edveis<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\"><strong>Graus<\/strong>: ISO 3290 G100 \u2013 G1000<\/a><\/li>\n<li><strong>Intervalo de di\u00e2metros<\/strong>: 1,0 mm \u2013 150,0 mm<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Esferas de vidro borossilicato \u2013 alta clareza, resistentes a choque t\u00e9rmico As esferas de vidro borossilicato combinam clareza \u00f3ptica com baixa expans\u00e3o t\u00e9rmica e excelente durabilidade qu\u00edmica. Ideais para fluidos limpos, servi\u00e7o em alta temperatura e aplica\u00e7\u00f5es de visualiza\u00e7\u00e3o\/pr\u00e9-fluxo onde metais corroem ou pol\u00edmeros amolecem, proporcionam movimento suave de baixo atrito e longa vida [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9040,"parent":2999,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3003","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 vidro borossilicato \u2013 resist\u00eancia t\u00e9rmica<\/title>\n<meta name=\"description\" content=\"Esferas de vidro borossilicato oferecem alta resist\u00eancia t\u00e9rmica, estabilidade qu\u00edmica e precis\u00e3o em aplica\u00e7\u00f5es industriais exigentes.\" \/>\n<meta name=\"robots\" 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