{"id":2951,"date":"2021-01-21T09:08:42","date_gmt":"2021-01-21T08:08:42","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=2951"},"modified":"2025-09-29T10:33:29","modified_gmt":"2025-09-29T08:33:29","slug":"esferas-de-tantalo","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/pt-pt\/produtos\/esferas-de-metais-nao-ferrosos-e-suas-ligas\/esferas-de-tantalo\/","title":{"rendered":"Esferas de T\u00e2ntalo"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Tantalum\">Esferas de T\u00e2ntalo \u2013 Resist\u00eancia Ultra \u00e0 Corros\u00e3o &amp; Biocompatibilidade<\/a><\/h2>\n<p>As Esferas de T\u00e2ntalo oferecem resist\u00eancia excecional a \u00e1cidos agressivos e cloretos, permanecendo n\u00e3o magn\u00e9ticas e n\u00e3o fa\u00edscantes. Com densidade muito elevada e uma superf\u00edcie Ta\u2082O\u2085 naturalmente passiva, proporcionam veda\u00e7\u00e3o limpa e confi\u00e1vel e desempenho de rolamento nos ambientes qu\u00edmicos, farmac\u00eauticos e de instrumenta\u00e7\u00e3o mais exigentes.<\/p>\n<h3>\ud83d\udd27 Especifica\u00e7\u00f5es T\u00e9cnicas Principais<\/h3>\n<ul>\n<li><strong>Composi\u00e7\u00e3o<\/strong>: Ta \u226599.9% (comercialmente puro)<\/li>\n<li><strong>Estrutura<\/strong>: Metal refrat\u00e1rio, rede cristalina BCC<\/li>\n<li><strong>Dureza<\/strong>: ~120\u2013160 HV (dependente da condi\u00e7\u00e3o)<\/li>\n<li><strong>Resist\u00eancia \u00e0 Tra\u00e7\u00e3o<\/strong>: \u2248 200\u2013300 MPa (recozido; maior quando encruado)<\/li>\n<li><strong>Densidade<\/strong>: ~16.6 g\/cm\u00b3<\/li>\n<li><strong>Ponto de Fus\u00e3o<\/strong>: ~3017 \u00b0C<\/li>\n<li><strong>El\u00e9trico\/Magn\u00e9tico<\/strong>: Resistividade ~13\u201315 \u00b5\u03a9\u00b7cm; n\u00e3o magn\u00e9tico<\/li>\n<li><strong>Corros\u00e3o<\/strong>: Excecional na maioria dos \u00e1cidos; n\u00e3o adequado para meios contendo HF<\/li>\n<\/ul>\n<h3>\u2705 Vantagens<\/h3>\n<ul>\n<li><strong>Resist\u00eancia Extrema \u00e0 Corros\u00e3o<\/strong> em servi\u00e7o com misturas de \u00e1cidos\/cloretos<\/li>\n<li><strong>Biocompat\u00edvel &amp; Inerte<\/strong> (filme de Ta\u2082O\u2085)<\/li>\n<li><strong>Alta Densidade<\/strong> para veda\u00e7\u00e3o positiva e movimento est\u00e1vel<\/li>\n<li><strong>N\u00e3o Fa\u00edscantes &amp; N\u00e3o Magn\u00e9ticas<\/strong><\/li>\n<\/ul>\n<h3>\ud83d\udd04 Aplica\u00e7\u00f5es das Esferas de T\u00e2ntalo<\/h3>\n<ul>\n<li><strong>Qu\u00edmica &amp; Farmac\u00eautica<\/strong>: Esferas de reten\u00e7\u00e3o\/assento para fluidos agressivos<\/li>\n<li><strong>Processos \u00damidos de Semicondutores<\/strong> &amp; dosagem de precis\u00e3o<\/li>\n<li><strong>Instrumenta\u00e7\u00e3o<\/strong>: Elementos rolantes \u00e0 prova de corros\u00e3o<\/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, DIN 5401, AFBMA (toler\u00e2ncias equivalentes)<\/a><\/li>\n<li><strong>Faixa de Di\u00e2metro<\/strong>: Tamanhos padr\u00e3o imperiais e m\u00e9tricos; tamanhos fora de padr\u00e3o\/personalizados sob consulta<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Esferas de T\u00e2ntalo \u2013 Resist\u00eancia Ultra \u00e0 Corros\u00e3o &amp; Biocompatibilidade As Esferas de T\u00e2ntalo oferecem resist\u00eancia excecional a \u00e1cidos agressivos e cloretos, permanecendo n\u00e3o magn\u00e9ticas e n\u00e3o fa\u00edscantes. Com densidade muito elevada e uma superf\u00edcie Ta\u2082O\u2085 naturalmente passiva, proporcionam veda\u00e7\u00e3o limpa e confi\u00e1vel e desempenho de rolamento nos ambientes qu\u00edmicos, farmac\u00eauticos e de instrumenta\u00e7\u00e3o [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8752,"parent":2937,"menu_order":7,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2951","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 T\u00e2ntalo \u2013 Resist\u00eancia \u00e0 Corros\u00e3o &amp; Biocompatibilidade<\/title>\n<meta name=\"description\" content=\"Esferas de t\u00e2ntalo oferecem excelente resist\u00eancia \u00e0 corros\u00e3o, biocompatibilidade e confiabilidade em aplica\u00e7\u00f5es m\u00e9dicas e 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