{"id":36087,"date":"2025-04-25T03:17:25","date_gmt":"2025-04-25T03:17:25","guid":{"rendered":"https:\/\/wotaichem.com\/?p=32625"},"modified":"2026-02-27T07:27:15","modified_gmt":"2026-02-27T07:27:15","slug":"fibra-pan-um-aditivo-de-fibra-para-concreto-comprovado-e-confiavel","status":"publish","type":"post","link":"https:\/\/wotaichem.com\/pt\/fibra-pan-um-aditivo-de-fibra-para-concreto-comprovado-e-confiavel\/","title":{"rendered":"Fibra de Poliacrilonitrila (Fibra PAN) \u2013 Um Aditivo de Fibra para Concreto Comprovado e Confi\u00e1vel"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 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\">\u00cdndice<\/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=\"Alternar tabela de conte\u00fado\"><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:\/\/wotaichem.com\/pt\/fibra-pan-um-aditivo-de-fibra-para-concreto-comprovado-e-confiavel\/#Caracteristicas_basicas_da_fibra_PAN\" >Caracter\u00edsticas b\u00e1sicas da fibra PAN<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/wotaichem.com\/pt\/fibra-pan-um-aditivo-de-fibra-para-concreto-comprovado-e-confiavel\/#O_que_e_fibra_de_poliacrilonitrila\" >O que \u00e9 fibra de poliacrilonitrila?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/wotaichem.com\/pt\/fibra-pan-um-aditivo-de-fibra-para-concreto-comprovado-e-confiavel\/#Algumas_propriedades_basicas_da_fibra_PAN\" >Algumas propriedades b\u00e1sicas da fibra PAN<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/wotaichem.com\/pt\/fibra-pan-um-aditivo-de-fibra-para-concreto-comprovado-e-confiavel\/#Efeito_da_fibra_PAN_na_resistencia_a_fissuracao_do_concreto\" >Efeito da fibra PAN na resist\u00eancia \u00e0 fissura\u00e7\u00e3o do concreto<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/wotaichem.com\/pt\/fibra-pan-um-aditivo-de-fibra-para-concreto-comprovado-e-confiavel\/#Adquira_fibras_PAN_da_WOTAIchem%E2%84%A2_%E2%80%93_Fabricante_de_fibras_de_poliacrilonitrila_na_China\" >Adquira fibras PAN da WOTAIchem\u2122 &#8211; Fabricante de fibras de poliacrilonitrila na China.<\/a><\/li><\/ul><\/nav><\/div>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Em certas condi\u00e7\u00f5es, o concreto deve ser projetado para permitir deforma\u00e7\u00f5es significativas. Para isso, sua f\u00f3rmula geralmente requer uma grande quantidade de <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/aditivo-de-fibra-para-concreto\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">fibras como aditivo<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> . Comparadas \u00e0s <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/fibra-de-polipropileno\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">fibras de polipropileno (PP)<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> comuns , <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/fibra-pan\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">as fibras de poliacrilonitrila (PAN)<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> demonstraram suportar e distribuir a tens\u00e3o com maior efic\u00e1cia.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Estudos demonstraram que a adi\u00e7\u00e3o de uma quantidade adequada de fibra de poliacrilonitrila (PAN), que possui alta resist\u00eancia \u00e0 tra\u00e7\u00e3o e baixo m\u00f3dulo de elasticidade, pode melhorar significativamente o desempenho do concreto.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\"><strong><a href=\"https:\/\/wotaichem.com\/pt\/fibra-pan-um-aditivo-de-fibra-para-concreto-comprovado-e-confiavel\/hunningtu4-24\/\" rel=\"attachment wp-att-32628\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/04\/hunningtu4-24.webp\" class=\"alignnone wp-image-32628 size-full lazyload\" alt=\"Concreto refor\u00e7ado com fibra PAN\" width=\"650\" height=\"451\"><noscript><img decoding=\"async\" class=\"alignnone wp-image-32628 size-full\" src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/04\/hunningtu4-24.webp\" alt=\"Concreto refor\u00e7ado com fibra PAN\" width=\"650\" height=\"451\"><\/noscript><\/a><\/strong><\/span><\/p>\n<h2><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"Caracteristicas_basicas_da_fibra_PAN\"><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Caracter\u00edsticas b\u00e1sicas da <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/fibra-pan\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">fibra PAN<\/span><\/span><\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"O_que_e_fibra_de_poliacrilonitrila\"><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">O que \u00e9 fibra de poliacrilonitrila?<\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">A fibra PAN \u00e9 uma <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/macro-fibra-sintetica\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">fibra sint\u00e9tica<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> org\u00e2nica feita de polipropileno atrav\u00e9s de um processo de fabrica\u00e7\u00e3o e tratamento de superf\u00edcie especiais. Ela possui forte poder de liga\u00e7\u00e3o (ou &#8220;ader\u00eancia&#8221;) com o material base.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Quando distribu\u00edda uniformemente no concreto, a fibra pode impedir a forma\u00e7\u00e3o ou propaga\u00e7\u00e3o de fissuras. Isso ocorre porque, quando uma fissura se inicia perto de uma fibra, a liga\u00e7\u00e3o entre a fibra e o cimento \u00e9 forte o suficiente para absorver a tens\u00e3o que, de outra forma, expandiria a fissura.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Devido \u00e0 sua elevada resist\u00eancia e excelente ader\u00eancia ao material base, a fibra de poliacrilonitrila refor\u00e7a eficazmente o concreto.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Algumas_propriedades_basicas_da_fibra_PAN\"><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Algumas propriedades b\u00e1sicas da <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/fibra-pan\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">fibra PAN<\/span><\/span><\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 10pt;\"><strong><em><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Ficha t\u00e9cnica da fibra de poliacrilonitrila WOTAIchem\u2122 (fibra PAN)<\/span><\/span><\/em><\/strong><\/span><\/p>\n<table style=\"border-collapse: collapse; width: 97.6755%; height: 511px;\">\n<tbody>\n<tr style=\"height: 53px;\">\n<td style=\"width: 22.0847%; height: 53px; background-color: #d8f2c4;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Item<\/span><\/span><\/strong><\/span><\/td>\n<td style=\"width: 17.6494%; height: 53px; background-color: #d8f2c4;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Desempenho<\/span><\/span><\/strong><\/span><\/td>\n<td style=\"width: 30.567%; height: 53px; background-color: #d8f2c4;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Item<\/span><\/span><\/strong><\/span><\/td>\n<td style=\"width: 28.4848%; height: 53px; background-color: #d8f2c4;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Desempenho<\/span><\/span><\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 53px;\">\n<td style=\"width: 22.0847%; height: 53px;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Material<\/span><\/span><\/strong><\/span><\/td>\n<td style=\"width: 17.6494%; height: 53px;\"><span style=\"font-size: 10pt;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Poliacrilonitrila<\/span><\/span><\/span><\/td>\n<td style=\"width: 30.567%; height: 53px;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Tipo de fibra<\/span><\/span><\/strong><\/span><\/td>\n<td style=\"width: 28.4848%; height: 53px;\"><span style=\"font-size: 10pt;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Monofilamentos agrupados<\/span><\/span><\/span><\/td>\n<\/tr>\n<tr style=\"height: 53px;\">\n<td style=\"width: 22.0847%; height: 53px;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Densidade \/ (g\/cm\u00b3)<\/span><\/span><\/strong><\/span><\/td>\n<td style=\"width: 17.6494%; height: 53px;\"><span style=\"font-size: 10pt;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">1.18<\/span><\/span><\/span><\/td>\n<td style=\"width: 30.567%; height: 53px;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Hidroscopia<\/span><\/span><\/strong><\/span><\/td>\n<td style=\"width: 28.4848%; height: 53px;\"><span style=\"font-size: 10pt;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">N\u00e3o absorve \u00e1gua<\/span><\/span><\/span><\/td>\n<\/tr>\n<tr style=\"height: 53px;\">\n<td style=\"width: 22.0847%; height: 53px;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Ponto de fus\u00e3o \/\u2103<\/span><\/span><\/strong><\/span><\/td>\n<td style=\"width: 17.6494%; height: 53px;\"><span style=\"font-size: 10pt;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">&gt;258\u2103<\/span><\/span><\/span><\/td>\n<td style=\"width: 30.567%; height: 53px;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">For\u00e7a de ruptura<\/span><\/span><\/strong><\/span><\/td>\n<td style=\"width: 28.4848%; height: 53px;\"><span style=\"font-size: 10pt;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u2265500m.Pass.<\/span><\/span><\/span><\/td>\n<\/tr>\n<tr style=\"height: 53px;\">\n<td style=\"width: 22.0847%; height: 53px;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Seguran\u00e7a<\/span><\/span><\/strong><\/span><\/td>\n<td style=\"width: 17.6494%; height: 53px;\"><span style=\"font-size: 10pt;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">n\u00e3o t\u00f3xico<\/span><\/span><\/span><\/td>\n<td style=\"width: 30.567%; height: 53px;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">M\u00f3dulo de elasticidade (N\/mm\u00b2)<\/span><\/span><\/strong><\/span><\/td>\n<td style=\"width: 28.4848%; height: 53px;\"><span style=\"font-size: 10pt;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">&gt;16774<\/span><\/span><\/span><\/td>\n<\/tr>\n<tr style=\"height: 82px;\">\n<td style=\"width: 22.0847%; height: 82px;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Resist\u00eancia a \u00e1cidos e \u00e1lcalis<\/span><\/span><\/strong><\/span><\/td>\n<td style=\"width: 17.6494%; height: 82px;\"><span style=\"font-size: 10pt;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u226595%<\/span><\/span><\/span><\/td>\n<td style=\"width: 30.567%; height: 82px;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Alongamento na ruptura (%)<\/span><\/span><\/strong><\/span><\/td>\n<td style=\"width: 28.4848%; height: 82px;\"><span style=\"font-size: 10pt;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">&lt;13<\/span><\/span><\/span><\/td>\n<\/tr>\n<tr style=\"height: 82px;\">\n<td style=\"width: 22.0847%; height: 82px;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Condutividade el\u00e9trica<\/span><\/span><\/strong><\/span><\/td>\n<td style=\"width: 17.6494%; height: 82px;\"><span style=\"font-size: 10pt;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Baixo<\/span><\/span><\/span><\/td>\n<td style=\"width: 30.567%; height: 82px;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Contagem de fibras (dtex)<\/span><\/span><\/strong><\/span><\/td>\n<td style=\"width: 28.4848%; height: 82px;\"><span style=\"font-size: 10pt;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">0,8-1,5<\/span><\/span><\/span><\/td>\n<\/tr>\n<tr style=\"height: 82px;\">\n<td style=\"width: 22.0847%; height: 82px;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Condutividade t\u00e9rmica<\/span><\/span><\/strong><\/span><\/td>\n<td style=\"width: 17.6494%; height: 82px;\"><span style=\"font-size: 10pt;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Baixo<\/span><\/span><\/span><\/td>\n<td style=\"width: 30.567%; height: 82px;\"><span style=\"font-size: 10pt;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Faixa de comprimento<\/span><\/span><\/strong><\/span><\/td>\n<td style=\"width: 28.4848%; height: 82px;\"><span style=\"font-size: 10pt;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">1 mm, 1,5 mm, 2 mm, 3 mm, 6 mm, 12 mm, 16 mm, 19 mm<\/span><\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Efeito_da_fibra_PAN_na_resistencia_a_fissuracao_do_concreto\"><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Efeito da fibra PAN na resist\u00eancia \u00e0 fissura\u00e7\u00e3o do concreto<\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">O poliacrilonitrilo (PAN), com f\u00f3rmula molecular (CH\u2082CHCN)\u2099, cont\u00e9m um grupo nitrilo polar (\u2013CN) em sua estrutura, o que o torna hidrof\u00edlico. Isso permite que as fibras de PAN se dispersem uniformemente em sistemas \u00e0 base de \u00e1gua. Devido a essa propriedade, as fibras de PAN s\u00e3o amplamente utilizadas para melhorar a resist\u00eancia a fissuras em materiais como argamassa de cimento polim\u00e9rico, concreto e massa corrida.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Foi demonstrado que as fibras de PAN melhoram significativamente a resist\u00eancia \u00e0 fissura\u00e7\u00e3o do concreto. Pesquisas indicam que diferentes dosagens de fibras de PAN podem ter efeitos variados no concreto. Na tabela abaixo, o \u00edndice de fissura\u00e7\u00e3o \u00e9 usado como m\u00e9trica para avaliar o desempenho do concreto em rela\u00e7\u00e3o \u00e0 fissura\u00e7\u00e3o.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><em><strong><span style=\"font-size: 10pt;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">A influ\u00eancia de diferentes quantidades de adi\u00e7\u00e3o de fibras no \u00edndice de fissura\u00e7\u00e3o do concreto.<\/span><\/span><\/span><\/strong><\/em><\/p>\n<p><span style=\"color: #ff0000;\"><strong><a href=\"https:\/\/wotaichem.com\/pt\/fibra-pan-um-aditivo-de-fibra-para-concreto-comprovado-e-confiavel\/dsc4-24\/\" rel=\"attachment wp-att-32634\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/04\/DSC4-24.webp\" class=\"alignnone wp-image-32634 size-full lazyload\" alt=\"Teor de fibra PAN no \u00edndice de fissura\u00e7\u00e3o do concreto\" width=\"650\" height=\"451\"><noscript><img decoding=\"async\" class=\"alignnone wp-image-32634 size-full\" src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/04\/DSC4-24.webp\" alt=\"Teor de fibra PAN no \u00edndice de fissura\u00e7\u00e3o do concreto\" width=\"650\" height=\"451\"><\/noscript><\/a><\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">O \u00edndice de fissura\u00e7\u00e3o \u00e9 definido pela classifica\u00e7\u00e3o da largura da fissura em cinco faixas de tamanho: maior que 3 mm, 2\u20133 mm, 1\u20132 mm, 0,5\u20131 mm e menor que 0,5 mm. A cada faixa \u00e9 atribu\u00eddo um valor: 3, 2, 1, 0,5 e 0,25, respectivamente. O comprimento das fissuras em cada faixa \u00e9 multiplicado pelo seu valor, e o total \u00e9 calculado por metro quadrado para obter o \u00edndice de fissura\u00e7\u00e3o da amostra.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Por exemplo, em uma \u00e1rea de 1 m\u00b2, existem duas fissuras de graus diferentes. Digamos que o comprimento da fissura com largura superior a 3 mm (\u00edndice m\u00e9trico correspondente 3) seja de 110 mm, e o comprimento da fissura com largura entre 2 mm e 3 mm (\u00edndice m\u00e9trico correspondente 2) seja de 90 mm. Ent\u00e3o, o \u00edndice de fissura\u00e7\u00e3o ser\u00e1 calculado como: (3 \u00d7 110) + (2 \u00d7 90) = 510. Esse n\u00famero nos d\u00e1 uma ideia da gravidade da fissura\u00e7\u00e3o <\/span><\/span><br \/>\n<span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">.<\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Conforme ilustrado na figura, quanto mais fibra PAN for adicionada, menor ser\u00e1 o \u00edndice de fissura\u00e7\u00e3o, indicando melhor desempenho e menor n\u00famero de fissuras ou fissuras de menor tamanho.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Adquira_fibras_PAN_da_WOTAIchem%E2%84%A2_%E2%80%93_Fabricante_de_fibras_de_poliacrilonitrila_na_China\"><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Adquira <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/fibra-pan\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">fibras PAN<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> da <\/span><\/span><a href=\"https:\/\/wotaichem.com\/about-wotai\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">WOTAIchem\u2122<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> &#8211; Fabricante de fibras de poliacrilonitrila na China.<\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">No setor de materiais de constru\u00e7\u00e3o, a escolha do refor\u00e7o pode fazer toda a diferen\u00e7a. Quando se trata de melhorar o desempenho do concreto e de diversos outros materiais de constru\u00e7\u00e3o, as fibras de poliacrilonitrila (PAN) WOTAIchem\u2122 se destacam como uma solu\u00e7\u00e3o de primeira linha.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u2705 <\/span><\/span><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Garantia de Qualidade Superior:<\/span><\/span><\/strong><br \/>\n<span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> As fibras WOTAIchem\u2122 PAN possuem propriedades consistentes, como alta resist\u00eancia \u00e0 tra\u00e7\u00e3o, excelente resist\u00eancia a \u00e1cidos e \u00e1lcalis e dimens\u00f5es precisas.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u2705 <\/span><\/span><a href=\"https:\/\/wotaichem.com\/oem-solution\/\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Feito sob medida para suas necessidades:<\/span><\/span><\/strong><\/a><br \/>\n<span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Se voc\u00ea precisa de fibras de um comprimento espec\u00edfico, desde as curtas de 1 mm at\u00e9 as mais longas de 19 mm, ou outros tipos de fibras ( <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/macro-fibra-sintetica\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">fibra sint\u00e9tica macro<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> , <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/fibra-de-monofilamento-de-polipropileno\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">fibra monofilamento de polipropileno<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> , <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/fibra-de-pet\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">fibra PET<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> , <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/fibra-de-pva\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">fibra PVA<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> , etc.), nosso portf\u00f3lio de produtos atende \u00e0s suas necessidades.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\"><strong><a href=\"https:\/\/wotaichem.com\/pt\/fibra-pan-um-aditivo-de-fibra-para-concreto-comprovado-e-confiavel\/pan4-24\/\" rel=\"attachment wp-att-32630\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/04\/PAN4-24.webp\" class=\"alignnone wp-image-32630 size-full lazyload\" alt=\"Aditivo de fibra para concreto - fibra de poliacrilonitrila\" width=\"650\" height=\"451\"><noscript><img decoding=\"async\" class=\"alignnone wp-image-32630 size-full\" src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/04\/PAN4-24.webp\" alt=\"Aditivo de fibra para concreto - fibra de poliacrilonitrila\" width=\"650\" height=\"451\"><\/noscript><\/a><\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u2705 <\/span><\/span><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Desempenho com excelente custo-benef\u00edcio<\/span><\/span><\/strong><br \/>\n<span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Nossos processos de produ\u00e7\u00e3o eficientes nos permitem oferecer pre\u00e7os competitivos sem comprometer a qualidade.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u2705 <\/span><\/span><a href=\"https:\/\/wotaichem.com\/wotaichem-service\/\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Suporte e assist\u00eancia especializada<\/span><\/span><\/strong><\/a><br \/>\n<span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Nossa equipe qualificada est\u00e1 sempre pronta para fornecer suporte t\u00e9cnico. Nosso compromisso \u00e9 garantir sua total satisfa\u00e7\u00e3o e o sucesso de seus projetos de constru\u00e7\u00e3o.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Clique <\/span><\/span><a href=\"https:\/\/wotaichem.com\/sample-request\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">aqui<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> para entrar em contato com <\/span><\/span><a href=\"https:\/\/wotaichem.com\/team\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">nossa equipe<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> e solicitar uma <\/span><\/span><a href=\"https:\/\/wotaichem.com\/sample-request\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">amostra gr\u00e1tis<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> !<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\"><strong><a href=\"https:\/\/wotaichem.com\/pt\/fibra-pan-um-aditivo-de-fibra-para-concreto-comprovado-e-confiavel\/mianfeiyangpin4-24-2\/\" rel=\"attachment wp-att-32635\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/04\/mianfeiyangpin4-24-2.webp\" class=\"alignnone wp-image-32635 size-full lazyload\" alt=\"amostra de fibra PAN\" width=\"650\" height=\"451\"><noscript><img decoding=\"async\" class=\"alignnone wp-image-32635 size-full\" src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/04\/mianfeiyangpin4-24-2.webp\" alt=\"amostra de fibra PAN\" width=\"650\" height=\"451\"><\/noscript><\/a><\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Em certas condi\u00e7\u00f5es, o concreto deve ser projetado para permitir deforma\u00e7\u00f5es significativas. Para isso, sua f\u00f3rmula geralmente requer uma grande quantidade de fibras como aditivo . Comparadas \u00e0s fibras de polipropileno (PP) comuns , as fibras de poliacrilonitrila (PAN) demonstraram suportar e distribuir a tens\u00e3o com maior efic\u00e1cia. &nbsp; Estudos demonstraram que a adi\u00e7\u00e3o de uma quantidade adequada de fibra de poliacrilonitrila (PAN), que possui alta resist\u00eancia \u00e0 tra\u00e7\u00e3o e baixo m\u00f3dulo de elasticidade, pode melhorar significativamente o desempenho do concreto. &nbsp; Caracter\u00edsticas b\u00e1sicas da fibra PAN &nbsp; O que \u00e9 fibra de poliacrilonitrila? &nbsp; A fibra PAN \u00e9 uma fibra sint\u00e9tica org\u00e2nica feita de polipropileno atrav\u00e9s de um processo de fabrica\u00e7\u00e3o e tratamento de superf\u00edcie especiais. Ela possui forte poder de liga\u00e7\u00e3o (ou &#8220;ader\u00eancia&#8221;) com o material base. &nbsp; Quando distribu\u00edda uniformemente no concreto, a fibra pode impedir a forma\u00e7\u00e3o ou propaga\u00e7\u00e3o de fissuras. Isso ocorre porque, quando uma [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":36129,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-36087","post","type-post","status-publish","format-standard","has-post-thumbnail","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/posts\/36087","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/comments?post=36087"}],"version-history":[{"count":0,"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/posts\/36087\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/media\/36129"}],"wp:attachment":[{"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/media?parent=36087"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/categories?post=36087"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/tags?post=36087"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}