{"id":826,"date":"2025-01-29T21:16:46","date_gmt":"2025-01-29T21:16:46","guid":{"rendered":"https:\/\/gvs.com.br\/life-sciences\/?page_id=826"},"modified":"2025-11-07T20:33:56","modified_gmt":"2025-11-07T20:33:56","slug":"microbiologia-membrana-de-politetrafluoretileno-ptfe","status":"publish","type":"page","link":"https:\/\/www.gvs.com.br\/life-sciences\/microbiologia-membrana-de-politetrafluoretileno-ptfe\/","title":{"rendered":"Microbiologia &#8211; Membrana de Politetrafluoretileno (PTFE)"},"content":{"rendered":"\n<div class=\"wp-block-uagb-separator uagb-block-23b5519e\"><div class=\"uagb-separator-spacing-wrapper\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color wp-elements-021d1d11ae934bc395c721dad38d5d1c\">Membrana de Politetrafluoretileno (PTFE)<\/h2>\n\n\n\n<p class=\"has-text-align-justify has-text-align-justify\">Os filtros em PTFE laminado da GVS s\u00e3o feitos de um pol\u00edmero de politetrafluoretileno (PTFE) laminado em um suporte em polipropileno, para melhor durabilidade e manuseio simples. Estes filtros s\u00e3o quimicamente compat\u00edveis com \u00e1cidos fortes e solventes mais agressivos, como \u00e1lcoois. A PTFE (resina de p\u00f3 fino) \u00e9 expandida em uma estrutura em rede tridimensional chamada PTFE que forma milh\u00f5es de poros microsc\u00f3picos. Esta estrutura usa a natureza interna hidrof\u00f3bica (resistente \u00e0 \u00e1gua) e n\u00e3o aderente do PTFE para permitir a remo\u00e7\u00e3o de part\u00edculas capturadas na superf\u00edcie da membrana. Isto permite que o ar passe facilmente atrav\u00e9s da membrana enquanto coleta part\u00edculas de pequenas dimens\u00f5es como 0,1 m\u00edcrons na superf\u00edcie. As membranas em PTFE oferecem aos fabricantes de dispositivos uma barreira consistente, compat\u00edvel Tamanhos de poros Informa\u00e7\u00e3o para encomenda com a temperatura e os produtos qu\u00edmicos, contra os micr\u00f3bios e o problema das part\u00edculas. A combina\u00e7\u00e3o ideal de fluxo de ar e da press\u00e3o de entrada da \u00e1gua \u00e9 uma mais-valia para a maior parte dos dispositivos. As membranas em PTFE inerentemente hidrof\u00f3bicas n\u00e3o absorver\u00e3o a umidade do ar ou de gases, tornando-as ideais para aplica\u00e7\u00f5es de ventila\u00e7\u00e3o, separa\u00e7\u00f5es de fase e amostragens de aeross\u00f3is. Os filtros em PTFE laminado podem ser usados para filtrar solu\u00e7\u00f5es aquosas quando pr\u00e9-molhados com metanol. Estes s\u00e3o autoclav\u00e1veis at\u00e9 130 \u00b0C (260 \u00b0F).<\/p>\n\n\n\n<p class=\"has-text-align-justify has-text-align-justify\"><\/p>\n\n\n\t\t\t\t\t<div\n\t\t\t\t\t\tclass=\"wp-block-uagb-image-gallery uagb-block-152290c5     \"\n\t\t\t\t\t\tstyle=\"\"\n\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"spectra-image-gallery spectra-image-gallery__layout--grid spectra-image-gallery__layout--grid-col-6 spectra-image-gallery__layout--grid-col-tab-3 spectra-image-gallery__layout--grid-col-mob-2\">\n\t\t\t\t\t\t\t\t\t\t\t<div class='spectra-image-gallery__media-wrapper' data-spectra-gallery-image-id='3285' tabindex=\"0\">\n\t\t\t\t\t\t\t<div class=\"spectra-image-gallery__media spectra-image-gallery__media--grid\">\n\t\t\t\t<picture>\n\t\t\t\t\t<source media=\"(min-width: 1024px)\" srcset=\"https:\/\/www.gvs.com.br\/life-sciences\/wp-content\/uploads\/2025\/11\/PTFE-01-300x205.jpg\">\n\t\t\t\t\t<source media=\"(min-width: 768px)\" srcset=\"https:\/\/www.gvs.com.br\/life-sciences\/wp-content\/uploads\/2025\/11\/PTFE-01-1024x699.jpg\">\n\t\t\t\t\t<img decoding=\"async\" class=\"spectra-image-gallery__media-thumbnail spectra-image-gallery__media-thumbnail--grid\" src=\"https:\/\/www.gvs.com.br\/life-sciences\/wp-content\/uploads\/2025\/11\/PTFE-01-300x205.jpg\" alt=\"\" loading=\"lazy\" \/>\n\t\t\t\t<\/picture>\n\t\t\t\t<div class=\"spectra-image-gallery__media-thumbnail-blurrer\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"spectra-image-gallery__media-thumbnail-caption-wrapper spectra-image-gallery__media-thumbnail-caption-wrapper--overlay\">\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"spectra-image-gallery__media-thumbnail-caption spectra-image-gallery__media-thumbnail-caption--overlay\">\n\t\t\t\t\tMembrana de Politetrafluoretileno (PTFE)\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class='spectra-image-gallery__control-lightbox' tabindex='0'>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper spectra-image-gallery__control-lightbox--main\" dir=\"\">\n\t\t\t\t\t<div class=\"swiper-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<div class=\"swiper-slide\">\n\t\t\t\t\t\t\t\t<img class=\"swiper-lazy\" data-src=\"https:\/\/www.gvs.com.br\/life-sciences\/wp-content\/uploads\/2025\/11\/PTFE-01.jpg\" alt=\"\"\/>\n\t\t\t\t\t\t\t\t<div class=\"swiper-lazy-preloader swiper-lazy-preloader-white\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"swiper-button-next\"><\/div>\n\t\t\t\t\t<div class=\"swiper-button-prev\"><\/div>\n\t\t\t\t<\/div>\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<button class='spectra-image-gallery__control-lightbox--close' aria-label=\"Close\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox= \"0 0 320 512\"><path d=\"M310.6 361.4c12.5 12.5 12.5 32.75 0 45.25C304.4 412.9 296.2 416 288 416s-16.38-3.125-22.62-9.375L160 301.3L54.63 406.6C48.38 412.9 40.19 416 32 416S15.63 412.9 9.375 406.6c-12.5-12.5-12.5-32.75 0-45.25l105.4-105.4L9.375 150.6c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0L160 210.8l105.4-105.4c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-105.4 105.4L310.6 361.4z\"><\/path><\/svg>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/button>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\n\n\n<div class=\"wp-block-uagb-separator uagb-block-76f2a5fe\"><div class=\"uagb-separator-spacing-wrapper\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-c485bd56\"><h3 class=\"uagb-heading-text\">Aplica\u00e7\u00f5es:<\/h3><\/div>\n\n\n\n<p>\u2022 Filtra\u00e7\u00e3o de \u00e1cidos fortes e solu\u00e7\u00f5es agressivas<br>\u2022 Aplica\u00e7\u00f5es de ventila\u00e7\u00e3o<br>\u2022 Separa\u00e7\u00f5es de fase<br>\u2022 Amostragens de aeross\u00f3is<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-cc653e5c\"><h3 class=\"uagb-heading-text\">Benef\u00edcios:<\/h3><\/div>\n\n\n\n<p>Naturalmente hidrof\u00f3bica<br>Compat\u00edvel com \u00e1cidos fortes e solu\u00e7\u00f5es agressivas<br>Durabilidade e manuseio melhorados<br>Autoclav\u00e1vel<\/p>\n\n\n<div\n\t\tclass=\"free align wp-block-btn-button\"\tid='btnButton-1'\n\tdata-nonce='&quot;b3ec2fad91&quot;'\n\tdata-attributes='{&quot;cPostId&quot;:826,&quot;text&quot;:&quot;Download Cat\\u00e1logo&quot;,&quot;url&quot;:&quot;https:\\\/\\\/www.gvs.com.br\\\/life-sciences\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/07-Catalogo-Membranas-de-Disco-e-Folha.pdf&quot;,&quot;target&quot;:&quot;_blank&quot;,&quot;icon&quot;:{&quot;class&quot;:&quot;fa-solid fa-download&quot;},&quot;alignment&quot;:&quot;left&quot;,&quot;colors&quot;:{&quot;color&quot;:&quot;#fff&quot;,&quot;bg&quot;:&quot;var(--ast-global-color-0)&quot;},&quot;hovColors&quot;:{&quot;color&quot;:&quot;#fff&quot;,&quot;bg&quot;:&quot;var(--ast-global-color-1)&quot;},&quot;align&quot;:&quot;&quot;,&quot;actionType&quot;:&quot;link&quot;,&quot;security&quot;:&quot;none&quot;,&quot;securityPassword&quot;:&quot;&quot;,&quot;tooltip&quot;:&quot;&quot;,&quot;tooltipPos&quot;:&quot;top&quot;,&quot;attrs&quot;:{&quot;rel&quot;:&quot;noreferrer&quot;,&quot;referrerpolicy&quot;:&quot;no-referrer&quot;},&quot;hideOn&quot;:{&quot;desktop&quot;:false,&quot;tablet&quot;:false,&quot;mobile&quot;:false},&quot;isDownload&quot;:false,&quot;downloadFileName&quot;:&quot;&quot;,&quot;isUpIcon&quot;:false,&quot;upIcon&quot;:{&quot;id&quot;:null,&quot;url&quot;:&quot;&quot;,&quot;alt&quot;:&quot;&quot;,&quot;title&quot;:&quot;&quot;},&quot;iconPos&quot;:&quot;left&quot;,&quot;type&quot;:&quot;flat&quot;,&quot;isFullWidth&quot;:false,&quot;size&quot;:&quot;medium&quot;,&quot;popup&quot;:{&quot;type&quot;:&quot;image&quot;,&quot;content&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;width&quot;:&quot;&quot;},&quot;animationType&quot;:&quot;&quot;,&quot;animationDuration&quot;:0.40000000000000002220446049250313080847263336181640625,&quot;addID&quot;:&quot;&quot;,&quot;addCSS&quot;:&quot;&quot;,&quot;typography&quot;:{&quot;fontSize&quot;:{&quot;desktop&quot;:&quot;16px&quot;},&quot;fontWeight&quot;:600,&quot;textDecoration&quot;:&quot;none&quot;},&quot;padding&quot;:{&quot;vertical&quot;:&quot;12px&quot;,&quot;horizontal&quot;:&quot;24px&quot;},&quot;border&quot;:{&quot;radius&quot;:&quot;5px&quot;},&quot;shadow&quot;:[]}'\n\tdata-info='{&quot;userRoles&quot;:[],&quot;loginURL&quot;:&quot;https:\\\/\\\/www.gvs.com.br\\\/life-sciences\\\/wp-login.php&quot;}'\n><\/div>\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-uagb-tabs uagb-block-fe020205 uagb-tabs__wrap uagb-tabs__hstyle4-desktop uagb-tabs__vstyle6-tablet uagb-tabs__stack1-mobile\" data-tab-active=\"0\"><ul class=\"uagb-tabs__panel uagb-tabs__align-left\" role=\"tablist\"><li class=\"uagb-tab uagb-tabs__active\" role=\"none\"><a href=\"#uagb-tabs__tab0\" class=\"uagb-tabs-list uagb-tabs__icon-position-left\" data-tab=\"0\" role=\"tab\"><div>Informa\u00e7\u00f5es para Pedidos<\/div><\/a><\/li><li class=\"uagb-tab \" role=\"none\"><a href=\"#uagb-tabs__tab1\" class=\"uagb-tabs-list uagb-tabs__icon-position-left\" data-tab=\"1\" role=\"tab\"><div>Caracter\u00edsticas<\/div><\/a><\/li><\/ul><div class=\"uagb-tabs__body-wrap\">\n<div class=\"wp-block-uagb-tabs-child uagb-tabs__body-container uagb-inner-tab-0\" aria-labelledby=\"uagb-tabs__tab0\">\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th>Dimens\u00f5es<\/th><th>13 mm<\/th><th>25 mm<\/th><th>47 mm<\/th><\/tr><tr><th>Embalagem<\/th><th>100\/pk<\/th><th>100\/pk<\/th><th>100\/pk<\/th><\/tr><tr><th>Tamanhos dos poros<\/th><th><\/th><th><\/th><th><\/th><\/tr><\/thead><tbody><tr><td>0,22 \u00b5m<\/td><td>1215485<\/td><td>1215486<\/td><td>1215487<\/td><\/tr><tr><td>0,45 \u00b5m<\/td><td>1215491<\/td><td>1215492<\/td><td>1215493<\/td><\/tr><tr><td>0,1 \u00b5m<\/td><td><\/td><td>1215503<\/td><td>1215504<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th>Dimens\u00f5es<\/th><th>90 mm<\/th><th>142 mm<\/th><th>293 mm<\/th><th>200\u00d7200 mm<\/th><th>305\u00d7305 mm<\/th><\/tr><tr><th>Embalagem<\/th><th>25\/pk<\/th><th>25\/pk<\/th><th>25\/pk<\/th><th>5\/pk<\/th><th>50\/pk<\/th><\/tr><tr><th>Tamanhos dos poros<\/th><th><\/th><th><\/th><th><\/th><th><\/th><th><\/th><\/tr><\/thead><tbody><tr><td>0,22 \u00b5m<\/td><td>1215488<\/td><td>1215489<\/td><td><\/td><td>3026028<\/td><td>1267681<\/td><\/tr><tr><td>0,45 \u00b5m<\/td><td>1215494<\/td><td>1215495<\/td><td>1215496<\/td><td>1237423<\/td><td>3034300<\/td><\/tr><tr><td>0,1 \u00b5m<\/td><td>1215505<\/td><td>1215506<\/td><td><\/td><td><\/td><td>1235299<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-tabs-child uagb-tabs__body-container uagb-inner-tab-1\" aria-labelledby=\"uagb-tabs__tab1\">\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th>Tamanho dos poros (\u00b5m)<\/th><th>Ponto de bolha (EtOH) (kPa)<\/th><th>Tempo de fluxo (MeOH) (seg.)<\/th><th>Espessura (\u00b5m)<\/th><\/tr><\/thead><tbody><tr><td>0,22<\/td><td>107,9 \u2013 152,0<\/td><td>80 \u2013 140<\/td><td>100 \u2013 180<\/td><\/tr><tr><td>0,45<\/td><td>63,7 \u2013 103,0<\/td><td>40 \u2013 75<\/td><td>100 \u2013 180<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-719b99b7 alignfull uagb-is-root-container\">\n<div class=\"wp-block-uagb-container uagb-block-e22ce344\"><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-c22f091f\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-aa08239f\"><h2 class=\"uagb-heading-text\"><strong>Solicite seu or\u00e7amento<\/strong><br>Conhe\u00e7a todas as vantagens que a GVS pode te trazer!<\/h2><\/div>\n\n\n<style id=\"wpforms-css-vars-248-block-ee74d81f-0131-4315-b418-d5bc26f6b3a8\">\n\t\t\t\t#wpforms-248.wpforms-block-ee74d81f-0131-4315-b418-d5bc26f6b3a8 {\n\t\t\t\t--wpforms-field-size-input-height: 43px;\n--wpforms-field-size-input-spacing: 15px;\n--wpforms-field-size-font-size: 16px;\n--wpforms-field-size-line-height: 19px;\n--wpforms-field-size-padding-h: 14px;\n--wpforms-field-size-checkbox-size: 16px;\n--wpforms-field-size-sublabel-spacing: 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