{"id":50669,"date":"2026-04-14T10:31:32","date_gmt":"2026-04-14T10:31:32","guid":{"rendered":"https:\/\/www.kdmsteel.com\/?p=50669"},"modified":"2026-04-14T15:08:42","modified_gmt":"2026-04-14T15:08:42","slug":"whats-the-difference-between-fiberglass-and-polycarbonate-electrical-enclosures","status":"publish","type":"post","link":"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/","title":{"rendered":"Qual a diferen\u00e7a entre caixas el\u00e9tricas de fibra de vidro e de policarbonato?"},"content":{"rendered":"<p>A fibra de vidro e o policarbonato s\u00e3o os materiais n\u00e3o met\u00e1licos mais comuns para inv\u00f3lucros el\u00e9tricos. No entanto, existem diferen\u00e7as entre esses dois materiais em termos de resist\u00eancia \u00e0s intemp\u00e9ries e a impactos. Este artigo explica as diferen\u00e7as entre os inv\u00f3lucros de fibra de vidro e de policarbonato para ajudar engenheiros el\u00e9tricos e integradores de sistemas a escolherem o material mais adequado para seus projetos.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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 \u00edndice\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/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:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#What_Are_FiberglassFRP_Electrical_Enclosures\" >O que s\u00e3o inv\u00f3lucros el\u00e9tricos de fibra de vidro (FRP)?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#What_Are_PolycarbonatePC_Electrical_Enclosures\" >O que s\u00e3o inv\u00f3lucros el\u00e9tricos de policarbonato (PC)?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Fiberglass_vs_Polycarbonate_Enclosures_Knowing_the_Key_Differences\" >Gabinetes de fibra de vidro versus policarbonato: conhe\u00e7a as principais diferen\u00e7as<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Material_and_Composition\" >Material e composi\u00e7\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Mechanical_Strength_Impact_Resistance\" >Resist\u00eancia mec\u00e2nica e resist\u00eancia ao impacto<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Chemical_Resistance\" >Resist\u00eancia qu\u00edmica<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Weather_and_UV_Resistance\" >Resist\u00eancia \u00e0s intemp\u00e9ries e aos raios UV<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Temperature_Performance\" >Desempenho da temperatura<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Weight\" >Peso<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Transparency\" >Transpar\u00eancia<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Electrical_Insulation\" >Isolamento el\u00e9trico<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Customization_Machining\" >Personaliza\u00e7\u00e3o e Usinagem<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Cost\" >Custo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Applications\" >Aplica\u00e7\u00f5es<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#FiberglassPolycarbonate_Electrical_Enclosure_Pros_and_Cons_Summary\" >Resumo das vantagens e desvantagens das caixas el\u00e9tricas de fibra de vidro\/policarbonato<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#What_Factors_Should_Be_Considered_When_Choosing_the_Right_Enclosure\" >Que fatores devem ser considerados ao escolher a caixa de prote\u00e7\u00e3o adequada?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Installation_Environment\" >Ambiente de instala\u00e7\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#IPNEMA_Protection_Rating\" >Classifica\u00e7\u00e3o de prote\u00e7\u00e3o IP\/NEMA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Size_and_Internal_Space\" >Tamanho e espa\u00e7o interno<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Installation_Maintenance\" >Instala\u00e7\u00e3o e manuten\u00e7\u00e3o<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#FAQ\" >Perguntas frequentes<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#How_Long_Do_Fiberglass_and_Polycarbonate_Enclosures_Typically_Last\" >Qual \u00e9 a durabilidade m\u00e9dia de gabinetes de fibra de vidro e policarbonato?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#What_Is_the_Difference_Between_Fiberglass_and_Thermoplastic_Materials\" >Qual a diferen\u00e7a entre fibra de vidro e materiais termopl\u00e1sticos?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Can_I_Use_Both_Materials_in_the_Same_Installation\" >Posso usar os dois materiais na mesma instala\u00e7\u00e3o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Can_Polycarbonate_Enclosures_Be_Used_in_Chemical_Processing_Plants\" >\u00c9 poss\u00edvel utilizar inv\u00f3lucros de policarbonato em f\u00e1bricas de processamento qu\u00edmico?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/#Final_Thought\" >Considera\u00e7\u00f5es finais<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_Are_FiberglassFRP_Electrical_Enclosures\"><\/span>O que s\u00e3o inv\u00f3lucros el\u00e9tricos de fibra de vidro (FRP)?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-50675\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/What-Are-FiberglassFRP-Electrical-Enclosures.jpg\" alt=\"O que s\u00e3o inv\u00f3lucros el\u00e9tricos de fibra de vidro (FRP)?\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/What-Are-FiberglassFRP-Electrical-Enclosures.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/What-Are-FiberglassFRP-Electrical-Enclosures-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/What-Are-FiberglassFRP-Electrical-Enclosures-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/What-Are-FiberglassFRP-Electrical-Enclosures-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>As caixas el\u00e9tricas de fibra de vidro s\u00e3o inv\u00f3lucros de prote\u00e7\u00e3o feitos de poli\u00e9ster refor\u00e7ado com fibra de vidro. Este material comp\u00f3sito \u00e9 composto de pl\u00e1stico e vidro e possui alta resist\u00eancia espec\u00edfica.<\/p>\n<p>As caixas el\u00e9tricas de fibra de vidro possuem excelente resist\u00eancia \u00e0 corros\u00e3o e uma estrutura forte e r\u00edgida. Al\u00e9m disso, apresentam excelente resist\u00eancia \u00e0s intemp\u00e9ries e \u00e0 temperatura. S\u00e3o amplamente utilizadas em instala\u00e7\u00f5es el\u00e9tricas externas, ambientes mar\u00edtimos e costeiros e sistemas de distribui\u00e7\u00e3o de energia.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Are_PolycarbonatePC_Electrical_Enclosures\"><\/span>O que s\u00e3o inv\u00f3lucros el\u00e9tricos de policarbonato (PC)?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-50676\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/What-Are-PolycarbonatePC-Electrical-Enclosures.jpg\" alt=\"O que s\u00e3o inv\u00f3lucros el\u00e9tricos de policarbonato (PC)?\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/What-Are-PolycarbonatePC-Electrical-Enclosures.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/What-Are-PolycarbonatePC-Electrical-Enclosures-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/What-Are-PolycarbonatePC-Electrical-Enclosures-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/What-Are-PolycarbonatePC-Electrical-Enclosures-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>A caixa el\u00e9trica de policarbonato \u00e9 uma caixa protetora feita de policarbonato (PC), um termopl\u00e1stico de alto desempenho. O policarbonato \u00e9 tamb\u00e9m um dos pl\u00e1sticos mais utilizados. Trata-se de um tipo de pl\u00e1stico de engenharia amorfo e transparente, com alta resist\u00eancia ao impacto e isolamento el\u00e9trico.<\/p>\n<p>As caixas el\u00e9tricas de policarbonato protegem os componentes eletr\u00f4nicos contra poeira, umidade, choques e contatos acidentais. S\u00e3o amplamente utilizadas em quadros de distribui\u00e7\u00e3o internos, ambientes industriais leves, telecomunica\u00e7\u00f5es e instala\u00e7\u00f5es de dados.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Fiberglass_vs_Polycarbonate_Enclosures_Knowing_the_Key_Differences\"><\/span>Gabinetes de fibra de vidro versus policarbonato: conhe\u00e7a as principais diferen\u00e7as<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-50677\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/Fiberglass-vs.-Polycarbonate-Enclosures-Knowing-the-Key-Differences.jpg\" alt=\"Gabinetes de fibra de vidro versus policarbonato: conhecendo as principais diferen\u00e7as\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/Fiberglass-vs.-Polycarbonate-Enclosures-Knowing-the-Key-Differences.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/Fiberglass-vs.-Polycarbonate-Enclosures-Knowing-the-Key-Differences-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/Fiberglass-vs.-Polycarbonate-Enclosures-Knowing-the-Key-Differences-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/Fiberglass-vs.-Polycarbonate-Enclosures-Knowing-the-Key-Differences-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>A fibra de vidro e o policarbonato s\u00e3o ambos pl\u00e1sticos. Mas os dois materiais diferem em muitos aspectos, incluindo resist\u00eancia qu\u00edmica, propriedades f\u00edsicas e resist\u00eancia \u00e0s intemp\u00e9ries. Aqui est\u00e1 uma explica\u00e7\u00e3o detalhada das diferen\u00e7as entre fibra de vidro e policarbonato:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Material_and_Composition\"><\/span>Material e composi\u00e7\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A fibra de vidro \u00e9 um pl\u00e1stico termofixo feito de fibra de vidro incorporada em resina de poli\u00e9ster\/ep\u00f3xi. Sua resist\u00eancia estrutural e rigidez s\u00e3o proporcionadas pelas fibras. O policarbonato \u00e9 um termopl\u00e1stico feito de bisfenol A e fosg\u00eanio. \u00c9 flex\u00edvel e resistente a impactos.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Mechanical_Strength_Impact_Resistance\"><\/span>Resist\u00eancia mec\u00e2nica e resist\u00eancia ao impacto<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>O policarbonato \u00e9 superior \u00e0 fibra de vidro em resist\u00eancia a impactos. As caixas el\u00e9tricas de fibra de vidro possuem alta resist\u00eancia \u00e0 compress\u00e3o e estrutural, mantendo sua forma mesmo sob cargas pesadas. J\u00e1 a fibra de vidro apresenta baixa tenacidade. Se submetida a um forte impacto, pode apresentar rachaduras, marcas brancas ou at\u00e9 mesmo quebrar.<\/p>\n<p>Como material para vidro \u00e0 prova de balas, o policarbonato possui excelente resist\u00eancia a impactos e tenacidade. O policarbonato consegue absorver o impacto sem rachar. No entanto, seu desempenho em termos de rigidez sob cargas pesadas \u00e9 baixo.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chemical_Resistance\"><\/span>Resist\u00eancia qu\u00edmica<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ambos os materiais podem ser usados em ambientes corrosivos. Mas a fibra de vidro possui melhor resist\u00eancia qu\u00edmica.<\/p>\n<p>Caixas de policarbonato podem ser usadas em ambientes marinhos ou levemente corrosivos. No entanto, elas n\u00e3o s\u00e3o t\u00e3o dur\u00e1veis quanto a fibra de vidro nessas condi\u00e7\u00f5es. O policarbonato \u00e9 suscet\u00edvel \u00e0 eros\u00e3o por solventes, \u00e1cidos e \u00f3leos. Se uma caixa de policarbonato for exposta a uma subst\u00e2ncia corrosiva, ela pode rachar ou descolorir.<\/p>\n<p>A estrutura de fibra de vidro \u00e9 mais resistente a produtos qu\u00edmicos do que a de policarbonato. Se o ambiente de instala\u00e7\u00e3o apresentar altas concentra\u00e7\u00f5es de produtos qu\u00edmicos, a fibra de vidro \u00e9 a op\u00e7\u00e3o preferencial.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Weather_and_UV_Resistance\"><\/span>Resist\u00eancia \u00e0s intemp\u00e9ries e aos raios UV<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Se o policarbonato for exposto \u00e0 luz UV por um longo per\u00edodo, sua superf\u00edcie amarelar\u00e1 ou se tornar\u00e1 quebradi\u00e7a. Atualmente, a maioria das estruturas de policarbonato recebe tratamento com inibidores de UV, o que pode aumentar sua vida \u00fatil em ambientes externos.<\/p>\n<p>A fibra de vidro possui excelente toler\u00e2ncia aos raios UV. No entanto, gabinetes de fibra de vidro expostos \u00e0 luz solar direta por longos per\u00edodos podem desenvolver um fen\u00f4meno chamado efloresc\u00eancia da fibra. A efloresc\u00eancia da fibra n\u00e3o afeta a integridade estrutural nem o isolamento el\u00e9trico do gabinete. Sua superf\u00edcie tende a acumular \u00f3leo e manchas, o que pode afetar os circuitos condutores. Uma limpeza ocasional pode ajudar a evitar esse problema.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Temperature_Performance\"><\/span>Desempenho da temperatura<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A fibra de vidro apresenta melhor desempenho t\u00e9rmico do que o policarbonato. A temperatura m\u00e1xima de opera\u00e7\u00e3o do policarbonato \u00e9 de 115 \u00b0C, enquanto a da fibra de vidro \u00e9 de 150 \u00b0C. Essas s\u00e3o temperaturas m\u00e1ximas t\u00edpicas de opera\u00e7\u00e3o cont\u00ednua. Varia\u00e7\u00f5es de curto prazo podem atingir valores mais altos.<\/p>\n<p>A caixa de policarbonato tem uma toler\u00e2ncia moderada \u00e0 temperatura. No entanto, ela pode amolecer ou deformar em altas temperaturas. A fibra de vidro, por outro lado, suporta temperaturas e tens\u00f5es t\u00e9rmicas mais elevadas. Portanto, as caixas de fibra de vidro apresentam maior estabilidade dimensional t\u00e9rmica.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Weight\"><\/span>Peso<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Em termos de peso, as caixas el\u00e9tricas de policarbonato s\u00e3o mais leves do que as de fibra de vidro. A leveza da caixa el\u00e9trica de policarbonato facilita o transporte e a instala\u00e7\u00e3o, reduzindo tamb\u00e9m os custos de envio. J\u00e1 as caixas el\u00e9tricas de fibra de vidro, mais pesadas, dificultam a instala\u00e7\u00e3o.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Transparency\"><\/span>Transpar\u00eancia<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>O pr\u00f3prio policarbonato \u00e9 transparente. Portanto, voc\u00ea pode optar por uma caixa de policarbonato com uma tampa transparente. Isso facilita a inspe\u00e7\u00e3o visual sem precisar abrir a caixa. A caixa de fibra de vidro geralmente \u00e9 opaca, mas tamb\u00e9m pode ser equipada com uma janela transparente de policarbonato.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Electrical_Insulation\"><\/span>Isolamento el\u00e9trico<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tanto as caixas de fibra de vidro quanto as de policarbonato possuem bom isolamento el\u00e9trico. Mas, em geral, as caixas de fibra de vidro oferecem melhor isolamento em condi\u00e7\u00f5es ambientais exigentes.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Customization_Machining\"><\/span>Personaliza\u00e7\u00e3o e Usinagem<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>As caixas de policarbonato s\u00e3o mais f\u00e1ceis de perfurar, cortar e modificar no local durante a personaliza\u00e7\u00e3o da produ\u00e7\u00e3o ou do processamento. Voc\u00ea pode personalizar caixas de policarbonato rapidamente. O material de fibra de vidro \u00e9 mais duro. Ao usin\u00e1-lo, \u00e9 necess\u00e1rio usar ferramentas profissionais. Al\u00e9m disso, o corte da fibra de vidro produz poeira fina prejudicial.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cost\"><\/span>Custo<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Em geral, as caixas de policarbonato s\u00e3o mais baratas do que as de fibra de vidro. As caixas de policarbonato t\u00eam um custo inicial menor. Isso tamb\u00e9m reduz os custos de envio e instala\u00e7\u00e3o. A fibra de vidro dura mais em ambientes agressivos, mas voc\u00ea pagar\u00e1 mais pelo material e pelo frete.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Applications\"><\/span>Aplica\u00e7\u00f5es<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Voc\u00ea pode aplicar a caixa de policarbonato em lumin\u00e1rias externas, itens resistentes a impactos ou \u00e1reas frequentemente modificadas. Por exemplo, caixas de distribui\u00e7\u00e3o de energia tempor\u00e1rias em canteiros de obras, caixas de energia m\u00f3veis e caixas de controle de automa\u00e7\u00e3o predial.<\/p>\n<p>As caixas de fibra de vidro s\u00e3o normalmente utilizadas em ambientes qu\u00edmicos ou para instala\u00e7\u00f5es externas de longa dura\u00e7\u00e3o. Por exemplo, em caixas de jun\u00e7\u00e3o fotovoltaicas, esta\u00e7\u00f5es de tratamento de esgoto, plataformas de perfura\u00e7\u00e3o de petr\u00f3leo e f\u00e1bricas de produtos qu\u00edmicos.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FiberglassPolycarbonate_Electrical_Enclosure_Pros_and_Cons_Summary\"><\/span>Resumo das vantagens e desvantagens das caixas el\u00e9tricas de fibra de vidro\/policarbonato<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-50678\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/FiberglassPolycarbonate-Electrical-Enclosure-Pros-and-Cons-Summary.jpg\" alt=\"Resumo das vantagens e desvantagens das caixas el\u00e9tricas de fibra de vidro e policarbonato\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/FiberglassPolycarbonate-Electrical-Enclosure-Pros-and-Cons-Summary.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/FiberglassPolycarbonate-Electrical-Enclosure-Pros-and-Cons-Summary-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/FiberglassPolycarbonate-Electrical-Enclosure-Pros-and-Cons-Summary-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/FiberglassPolycarbonate-Electrical-Enclosure-Pros-and-Cons-Summary-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<table width=\"624\">\n<tbody>\n<tr>\n<td width=\"67\"><\/td>\n<td width=\"277\"><strong>Gabinete de fibra de vidro<\/strong><\/td>\n<td width=\"280\"><strong>Caixa de policarbonato<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"67\"><strong>Pr\u00f3s<\/strong><\/td>\n<td width=\"277\">\u25cf Excelente resist\u00eancia \u00e0 corros\u00e3o<\/p>\n<p>\u25cf Forte e estruturalmente r\u00edgido<\/p>\n<p>\u25cf Resist\u00eancia aos raios UV e \u00e0s intemp\u00e9ries<\/p>\n<p>\u25cf Toler\u00e2ncia a altas temperaturas<\/p>\n<p>\u25cf Longa vida \u00fatil em ambientes exigentes<\/td>\n<td width=\"280\">\u25cf Leve<\/p>\n<p>\u25cf Boa resist\u00eancia ao impacto<\/p>\n<p>\u25cf F\u00e1cil de modificar<\/p>\n<p>\u25cf custo-benef\u00edcio<\/td>\n<\/tr>\n<tr>\n<td width=\"67\"><strong>Contras<\/strong><\/td>\n<td width=\"277\">\u25cf Mais pesado<\/p>\n<p>\u25cf Dif\u00edcil de modificar<\/p>\n<p>\u25cf Custo mais elevado<\/p>\n<p>\u25cf Opaco<\/p>\n<p>\u25cf A superf\u00edcie pode desenvolver uma camada fibrosa com o tempo (necessita de limpeza)<\/td>\n<td width=\"280\">\u25cf Menor resist\u00eancia aos raios UV<\/p>\n<p>\u25cf Menor resist\u00eancia qu\u00edmica\/\u00e0 corros\u00e3o<\/p>\n<p>\u25cf Toler\u00e2ncia a temperaturas mais baixas<\/p>\n<p>\u25cf Vida \u00fatil mais curta em um ambiente exigente<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"What_Factors_Should_Be_Considered_When_Choosing_the_Right_Enclosure\"><\/span>Que fatores devem ser considerados ao escolher a caixa de prote\u00e7\u00e3o adequada?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-50679\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/What-Factors-Should-Be-Considered-When-Choosing-the-Right-Enclosure-1.jpg\" alt=\"Que fatores devem ser considerados ao escolher a caixa de prote\u00e7\u00e3o adequada?\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/What-Factors-Should-Be-Considered-When-Choosing-the-Right-Enclosure-1.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/What-Factors-Should-Be-Considered-When-Choosing-the-Right-Enclosure-1-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/What-Factors-Should-Be-Considered-When-Choosing-the-Right-Enclosure-1-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/What-Factors-Should-Be-Considered-When-Choosing-the-Right-Enclosure-1-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Installation_Environment\"><\/span>Ambiente de instala\u00e7\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>O ambiente de instala\u00e7\u00e3o \u00e9 interno ou externo? Para ambientes externos, \u00e9 preciso considerar os efeitos dos raios UV, da chuva e das varia\u00e7\u00f5es de temperatura na caixa el\u00e9trica. Avalie a presen\u00e7a de produtos qu\u00edmicos, \u00e1gua do mar ou poeira no ambiente de instala\u00e7\u00e3o. Se o ambiente for agressivo, recomenda-se escolher um material mais resistente.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"IPNEMA_Protection_Rating\"><\/span>Classifica\u00e7\u00e3o de prote\u00e7\u00e3o IP\/NEMA<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Escolha um <a href=\"https:\/\/www.kdmsteel.com\/pt\/gabinete-ip\/\">Propriedade Intelectual<\/a>\/<a href=\"https:\/\/www.kdmsteel.com\/pt\/involucro-nema\/\">NEMA<\/a>Escolha uma caixa com classifica\u00e7\u00e3o adequada ao seu ambiente. Por exemplo, voc\u00ea pode optar por IP65\/IP66 para prote\u00e7\u00e3o contra poeira e \u00e1gua, ou por NEMA4\/4x para prote\u00e7\u00e3o contra corros\u00e3o e lavagem.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Size_and_Internal_Space\"><\/span>Tamanho e espa\u00e7o interno<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u00c9 necess\u00e1rio garantir que a caixa el\u00e9trica tenha espa\u00e7o suficiente para os componentes e para a organiza\u00e7\u00e3o dos cabos. Al\u00e9m disso, voc\u00ea pode reservar espa\u00e7o para futuras expans\u00f5es. Um tamanho ligeiramente maior tamb\u00e9m evita o superaquecimento.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Installation_Maintenance\"><\/span>Instala\u00e7\u00e3o e manuten\u00e7\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A caixa \u00e9 f\u00e1cil de instalar? E voc\u00ea precisa de acesso frequente ou modifica\u00e7\u00f5es? Normalmente, caixas leves e f\u00e1ceis de usinar podem reduzir o tempo e os custos de m\u00e3o de obra.<\/p>\n<p>Al\u00e9m dos fatores mencionados acima, voc\u00ea tamb\u00e9m precisa considerar a resist\u00eancia mec\u00e2nica, a resist\u00eancia \u00e0 corros\u00e3o e os requisitos funcionais da caixa. Avalie esses fatores e combine-os com as necessidades reais da sua aplica\u00e7\u00e3o para escolher a caixa el\u00e9trica ideal para o seu projeto.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>Perguntas frequentes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-50681\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/FAQ-2-2.jpg\" alt=\"Perguntas frequentes\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/FAQ-2-2.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/FAQ-2-2-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/FAQ-2-2-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/FAQ-2-2-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_Long_Do_Fiberglass_and_Polycarbonate_Enclosures_Typically_Last\"><\/span>Qual \u00e9 a durabilidade m\u00e9dia de gabinetes de fibra de vidro e policarbonato?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>As caixas de fibra de vidro geralmente duram de 15 a 25 anos ou mais. Sua durabilidade \u00e9 ainda maior em ambientes agressivos. J\u00e1 as caixas de policarbonato normalmente duram de 5 a 15 anos. Se expostas ao sol por longos per\u00edodos, seu desgaste ser\u00e1 mais r\u00e1pido.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_Is_the_Difference_Between_Fiberglass_and_Thermoplastic_Materials\"><\/span>Qual a diferen\u00e7a entre fibra de vidro e materiais termopl\u00e1sticos?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A fibra de vidro (FRP) \u00e9 um material comp\u00f3sito feito de fibras de vidro e resina. \u00c9 r\u00edgida e muito resistente, al\u00e9m de ser resistente a produtos qu\u00edmicos e raios UV. No entanto, \u00e9 mais dif\u00edcil de modificar no local em compara\u00e7\u00e3o com os termopl\u00e1sticos.<\/p>\n<p>Os termopl\u00e1sticos s\u00e3o pl\u00e1sticos mold\u00e1veis que amolecem quando aquecidos. S\u00e3o leves, flex\u00edveis e f\u00e1ceis de moldar ou processar. No entanto, apresentam baixa resist\u00eancia ao calor e \u00e0 corros\u00e3o.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_I_Use_Both_Materials_in_the_Same_Installation\"><\/span>Posso usar os dois materiais na mesma instala\u00e7\u00e3o?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sim. Voc\u00ea pode usar ambos os materiais na mesma instala\u00e7\u00e3o. Voc\u00ea pode combinar os dois materiais dependendo da sua aplica\u00e7\u00e3o. Por exemplo, use gabinetes de fibra de vidro em \u00e1reas externas. Use um gabinete de policarbonato em \u00e1reas internas ou outras \u00e1reas de baixa demanda. Voc\u00ea precisa garantir que todos os gabinetes atendam \u00e0s classifica\u00e7\u00f5es IP\/NEMA exigidas. E o gabinete deve ser compat\u00edvel com o projeto geral do seu sistema.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_Polycarbonate_Enclosures_Be_Used_in_Chemical_Processing_Plants\"><\/span>\u00c9 poss\u00edvel utilizar inv\u00f3lucros de policarbonato em f\u00e1bricas de processamento qu\u00edmico?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sim. A caixa de policarbonato pode ser aplicada em f\u00e1bricas de produtos qu\u00edmicos. Mas s\u00f3 pode ser aplicada em \u00e1reas com exposi\u00e7\u00e3o leve ou controlada. Possui resist\u00eancia qu\u00edmica geral. Pode degradar-se se exposta a \u00e1cidos fortes, solventes ou produtos qu\u00edmicos corrosivos.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Final_Thought\"><\/span>Considera\u00e7\u00f5es finais<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-50680\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/Final-Thought-4.jpg\" alt=\"Considera\u00e7\u00f5es finais\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/Final-Thought-4.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/Final-Thought-4-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/Final-Thought-4-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/04\/Final-Thought-4-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>Na KDM, podemos fornecer uma ampla variedade de caixas el\u00e9tricas e acess\u00f3rios relacionados, incluindo: <a href=\"https:\/\/www.kdmsteel.com\/pt\/gabinete-eletrico\/gabinete-eletrico-de-aco-inoxidavel\/\">a\u00e7o inoxid\u00e1vel<\/a>, <a href=\"https:\/\/www.kdmsteel.com\/pt\/gabinete-de-aco-galvanizado\/\">a\u00e7o galvanizado<\/a>, e <a href=\"https:\/\/www.kdmsteel.com\/pt\/gabinete-de-aco-macio\/\">caixas de a\u00e7o macio<\/a>. Al\u00e9m disso, tamb\u00e9m oferecemos servi\u00e7os de fabrica\u00e7\u00e3o de gabinetes personalizados para atender \u00e0s suas diversas necessidades de aplica\u00e7\u00e3o. Nossa equipe de profissionais est\u00e1 \u00e0 sua disposi\u00e7\u00e3o.<\/p>","protected":false},"excerpt":{"rendered":"<p>Fiberglass and polycarbonate are the most commonly used non-metallic electrical enclosure materials. However, there are differences between these two materials in weather resistance and impact resistance. This article explains the differences between fiberglass and polycarbonate enclosures to help electrical engineers and system integrators choose the right material for their project. What Are Fiberglass(FRP) Electrical Enclosures? [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":50682,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","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":"set","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-50669","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 v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What\u2019s the Difference Between Fiberglass and Polycarbonate Electrical Enclosures? - KDM Steel<\/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:\/\/www.kdmsteel.com\/pt\/qual-a-diferenca-entre-caixas-eletricas-de-fibra-de-vidro-e-de-policarbonato\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What\u2019s the Difference Between Fiberglass and Polycarbonate Electrical Enclosures? - KDM Steel\" \/>\n<meta property=\"og:description\" content=\"Fiberglass and polycarbonate are the most commonly used non-metallic electrical enclosure materials. 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