{"id":13787,"date":"2023-05-02T03:43:33","date_gmt":"2023-05-02T03:43:33","guid":{"rendered":"https:\/\/hansaplas.com\/?p=13787"},"modified":"2023-05-04T09:16:13","modified_gmt":"2023-05-04T09:16:13","slug":"pfa-vs-ptfe-uma-comparacao-definitiva","status":"publish","type":"post","link":"https:\/\/hansaplas.com\/pt\/pfa-vs-ptfe\/","title":{"rendered":"PFA vs PTFE: Uma compara\u00e7\u00e3o definitiva"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-13803 aligncenter\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2023\/05\/PFA-Vs-PTFE.jpg\" alt=\"PFA vs PTFE\" width=\"800\" height=\"450\" srcset=\"https:\/\/hansaplas.com\/wp-content\/uploads\/2023\/05\/PFA-Vs-PTFE.jpg 800w, https:\/\/hansaplas.com\/wp-content\/uploads\/2023\/05\/PFA-Vs-PTFE-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>PFA (<a href=\"https:\/\/en.wikipedia.org\/wiki\/Perfluoroalkoxy_alkane\">Perfluoroalcoxialcano<\/a>) s\u00e3o <a href=\"https:\/\/en.wikipedia.org\/wiki\/Copolymer\">copol\u00edmeros<\/a> de<a href=\"https:\/\/en.wikipedia.org\/wiki\/Tetrafluoroethylene\"> tetrafluoroetileno<\/a> e <a href=\"https:\/\/en.wikipedia.org\/wiki\/Perfluoroether\">perfluoro\u00e9teres<\/a> necess\u00e1rio para dispositivos expostos a elementos biol\u00f3gicos e qu\u00edmicos agressivos.<\/p>\n<p>PTFE (<a href=\"https:\/\/hansaplas.com\/pt\/material-ptfe\/\">Politetrafluoroetileno<\/a>) \u00e9 um fluoropol\u00edmero que cont\u00e9m \u00e1tomos de fl\u00faor e carbono. \u00c9 conhecido por sua resist\u00eancia a produtos qu\u00edmicos e natureza microporosa, tornando-o repelente \u00e0 \u00e1gua.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/hansaplas.com\/pt\/pfa-vs-ptfe\/#PFA_VS_PTFE_History\" >Hist\u00f3ria do PFA vs. PTFE<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hansaplas.com\/pt\/pfa-vs-ptfe\/#Comparing_PFA_and_PTFE_Properties\" >Comparando propriedades de PFA e PTFE<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hansaplas.com\/pt\/pfa-vs-ptfe\/#PFA_Properties\" >Propriedades PFA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hansaplas.com\/pt\/pfa-vs-ptfe\/#PTFE_Properties\" >Propriedades do PTFE<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hansaplas.com\/pt\/pfa-vs-ptfe\/#PFA_Vs_PTFE_Advantages\" >Vantagens do PFA vs. PTFE<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hansaplas.com\/pt\/pfa-vs-ptfe\/#PFA_Advantages\" >Vantagens do PFA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/hansaplas.com\/pt\/pfa-vs-ptfe\/#PTFE_Advantages\" >Vantagens do PTFE<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/hansaplas.com\/pt\/pfa-vs-ptfe\/#PFA_and_PTFE_Disadvantages\" >Desvantagens do PFA e do PTFE<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/hansaplas.com\/pt\/pfa-vs-ptfe\/#PFA_Disadvantages\" >Desvantagens do PFA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/hansaplas.com\/pt\/pfa-vs-ptfe\/#PTFE_Disadvantages\" >Desvantagens do PTFE<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/hansaplas.com\/pt\/pfa-vs-ptfe\/#Applications_PFA_and_PTFE\" >Aplica\u00e7\u00f5es: PFA e PTFE<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/hansaplas.com\/pt\/pfa-vs-ptfe\/#PFA_Applications\" >Aplica\u00e7\u00f5es PFA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/hansaplas.com\/pt\/pfa-vs-ptfe\/#PTFE_Applications\" >Aplica\u00e7\u00f5es de PTFE<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/hansaplas.com\/pt\/pfa-vs-ptfe\/#Conclusion\" >Conclus\u00e3o<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"PFA_VS_PTFE_History\"><\/span>Hist\u00f3ria do PFA vs. PTFE<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Politetrafluoroetileno (PTFE)<\/strong>: Foi descoberto em 1938 pelo qu\u00edmico americano Roy J. Plunkett, da Du Pont Company. Ele era respons\u00e1vel por analisar uma amostra espec\u00edfica de tetrafluoroetileno. Uma descoberta acidental ocorreu enquanto ele tentava criar um g\u00e1s refrigerante de alta qualidade. A amostra foi retirada e eles descobriram um revestimento de textura branca e cerosa devido \u00e0 polimeriza\u00e7\u00e3o do g\u00e1s. Este material tem sido usado h\u00e1 muitos anos.<\/p>\n<figure id=\"attachment_13788\" aria-describedby=\"caption-attachment-13788\" style=\"width: 670px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-13788 size-full\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2023\/05\/Figure-1-PTFE.jpg\" alt=\"PTFE\" width=\"670\" height=\"380\" \/><figcaption id=\"caption-attachment-13788\" class=\"wp-caption-text\">PTFE<\/figcaption><\/figure>\n<p><strong>Perfluoroalcoxi alcalino (PFA:<\/strong> Ele foi feito para cobrir as limita\u00e7\u00f5es do PTFE, como suas diferen\u00e7as nos pontos de fus\u00e3o.<\/p>\n<figure id=\"attachment_13789\" aria-describedby=\"caption-attachment-13789\" style=\"width: 670px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-13789 size-full\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2023\/05\/Figure-2-PFA.jpg\" alt=\"PFA\" width=\"670\" height=\"380\" \/><figcaption id=\"caption-attachment-13789\" class=\"wp-caption-text\">PFA<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Comparing_PFA_and_PTFE_Properties\"><\/span>Comparando propriedades de PFA e PTFE<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"PFA_Properties\"><\/span>Propriedades PFA<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>O material PFA \u00e9 conhecido por n\u00e3o ser inflam\u00e1vel, ter alta resist\u00eancia qu\u00edmica, baixo coeficiente de atrito, alta pureza, alta rigidez diel\u00e9trica e baixa absor\u00e7\u00e3o de umidade.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"PTFE_Properties\"><\/span>Propriedades do PTFE<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>O PTFE \u00e9 popular por sua alta densidade de 2200 kg\/m3, alta resist\u00eancia el\u00e9trica e rigidez diel\u00e9trica, natureza hidrof\u00f3bica, intensa resist\u00eancia \u00e0 flex\u00e3o e baixo coeficiente de atrito.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"PFA_Vs_PTFE_Advantages\"><\/span>Vantagens do PFA vs. PTFE<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"PFA_Advantages\"><\/span>Vantagens do PFA<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Forma transparente, tornando-o ideal para a fabrica\u00e7\u00e3o de equipamentos de laborat\u00f3rio<\/li>\n<li>\u00c9 f\u00e1cil de remodelar e soldar<\/li>\n<li>Alta resist\u00eancia qu\u00edmica<\/li>\n<li>Resist\u00eancia excepcional a altas temperaturas<\/li>\n<li>Altos n\u00edveis de pureza<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"PTFE_Advantages\"><\/span>Vantagens do PTFE<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Propriedades antiaderentes<\/li>\n<li>Alta resist\u00eancia qu\u00edmica<\/li>\n<li>Revestimento de PTFE f\u00e1cil de instalar<\/li>\n<li>Resistente \u00e0 corros\u00e3o<\/li>\n<li>N\u00e3o inflam\u00e1vel<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"PFA_and_PTFE_Disadvantages\"><\/span>Desvantagens do PFA e do PTFE<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Embora esses materiais tenham propriedades superiores em aplica\u00e7\u00f5es modernas, eles apresentam certas limita\u00e7\u00f5es. Essas limita\u00e7\u00f5es incluem:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"PFA_Disadvantages\"><\/span>Desvantagens do PFA<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Baixa durabilidade de flex\u00e3o em compara\u00e7\u00e3o com PTFE<\/li>\n<li>Baixa permea\u00e7\u00e3o<\/li>\n<li>Caro comparado ao PTFE<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"PTFE_Disadvantages\"><\/span>Desvantagens do PTFE<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Pode retornar \u00e0 sua forma original ap\u00f3s a instala\u00e7\u00e3o<\/li>\n<li>N\u00e3o \u00e9 f\u00e1cil fabricar em grandes quantidades<\/li>\n<li>Material n\u00e3o facilmente sold\u00e1vel<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Applications_PFA_and_PTFE\"><\/span>Aplica\u00e7\u00f5es: PFA e PTFE<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Algumas aplica\u00e7\u00f5es pr\u00e1ticas comuns desses materiais incluem:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"PFA_Applications\"><\/span>Aplica\u00e7\u00f5es PFA<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_13790\" aria-describedby=\"caption-attachment-13790\" style=\"width: 670px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-13790 size-full\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2023\/05\/Figure-3-PFA-Applications.jpg\" alt=\" Aplica\u00e7\u00f5es PFA\" width=\"670\" height=\"380\" \/><figcaption id=\"caption-attachment-13790\" class=\"wp-caption-text\">Aplica\u00e7\u00f5es PFA<\/figcaption><\/figure>\n<p>\u00c9 usado na fabrica\u00e7\u00e3o de equipamentos pl\u00e1sticos de laborat\u00f3rio e m\u00e9dicos, pois resiste \u00e0 corros\u00e3o qu\u00edmica. Al\u00e9m disso, pode servir como revestimento para recipientes de produtos qu\u00edmicos.<\/p>\n<p>Outras aplica\u00e7\u00f5es incluem tubos para passagem de fluidos, como tubula\u00e7\u00f5es, e aplica\u00e7\u00f5es em temperaturas extremas. Mais importante ainda, \u00e9 a escolha perfeita onde a alta pureza \u00e9 uma prioridade.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"PTFE_Applications\"><\/span>Aplica\u00e7\u00f5es de PTFE<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_13791\" aria-describedby=\"caption-attachment-13791\" style=\"width: 670px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-13791 size-full\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2023\/05\/Figure-4-PTFE-Applications.jpg\" alt=\"Aplica\u00e7\u00f5es de PTFE\" width=\"670\" height=\"380\" \/><figcaption id=\"caption-attachment-13791\" class=\"wp-caption-text\">Aplica\u00e7\u00f5es de PTFE<\/figcaption><\/figure>\n<p>\u00c9 usado na fabrica\u00e7\u00e3o de panelas antiaderentes devido \u00e0s suas propriedades hidrof\u00f3bicas e antiaderentes. Para reduzir o atrito, o revestimento ou material PTFE \u00e9 sempre uma alternativa perfeita.<\/p>\n<p>Devido \u00e0s suas propriedades quimicamente inertes, \u00e9 utilizado em tanques que armazenam fluidos reativos. Lembre-se: o PTFE \u00e9 altamente n\u00e3o reativo devido \u00e0 sua in\u00e9rcia em rela\u00e7\u00e3o aos \u00e1tomos de fl\u00faor.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclus\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Com essas informa\u00e7\u00f5es, voc\u00ea pode escolher entre PFA ou PTFE para qualquer aplica\u00e7\u00e3o. Para todos os seus produtos de PTFE, <a href=\"https:\/\/hansaplas.com\/pt\/contate-nos\/\">A HANSA est\u00e1 aqui para ajudar<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>PFA (Perfluoroalkoxy alkane) are copolymers of tetrafluoroethylene and perfluoroethers required for devices exposed to harsh biological and chemical elements. PTFE (Polytetrafluoroethylene) is a fluoropolymer containing [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":13803,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"disabled","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-13787","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PFA Vs PTFE: An Ultimate Comparison - Hansa<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hansaplas.com\/pt\/pfa-vs-ptfe\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PFA Vs PTFE: An Ultimate Comparison - Hansa\" \/>\n<meta property=\"og:description\" content=\"PFA (Perfluoroalkoxy alkane) are copolymers of tetrafluoroethylene and perfluoroethers required for devices exposed to harsh biological and chemical elements. 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