{"id":1473,"date":"2026-03-02T08:53:37","date_gmt":"2026-03-02T08:53:37","guid":{"rendered":"https:\/\/hexatrontech.com\/pt\/?p=1473"},"modified":"2026-03-04T01:24:11","modified_gmt":"2026-03-04T01:24:11","slug":"tpa-ratings-in-ugr19-prismatics","status":"publish","type":"post","link":"https:\/\/hexatrontech.com\/pt\/blog\/2026\/03\/02\/tpa-ratings-in-ugr19-prismatics\/","title":{"rendered":"Seguran\u00e7a em Primeiro Lugar: Classifica\u00e7\u00f5es de Inc\u00eandio TP(a) em Difusores Prism\u00e1ticos UGR&lt;19"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ao selecionar ilumina\u00e7\u00e3o para espa\u00e7os comerciais, escrit\u00f3rios ou instala\u00e7\u00f5es educacionais, alcan\u00e7ar um baixo \u00cdndice de Ofuscamento Unificado (<strong>UGR&lt;19<\/strong>) \u00e9 frequentemente a prioridade m\u00e1xima para o conforto visual. No entanto, existe uma especifica\u00e7\u00e3o de seguran\u00e7a cr\u00edtica que muitas vezes aparece nas &#8220;letras mi\u00fadas&#8221;, mas que possui o mesmo peso: <strong>Regulamenta\u00e7\u00f5es de Seguran\u00e7a contra Inc\u00eandio<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para os fabricantes de ilumina\u00e7\u00e3o, compreender a diferen\u00e7a entre os materiais de Policarbonato (PC) e Poliestireno (PS) e como eles atingem a classifica\u00e7\u00e3o <strong>TP(a)<\/strong> \u00e9 essencial para a conformidade com as normas de constru\u00e7\u00e3o. Neste post, detalhamos o desempenho da classifica\u00e7\u00e3o de inc\u00eandio de dois materiais prism\u00e1ticos principais com base em testes laboratoriais recentes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><br>O que \u00e9 a Classifica\u00e7\u00e3o TP(a)?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">De acordo com os Regulamentos de Constru\u00e7\u00e3o de 2010 (Documento Aprovado B &#8211; Seguran\u00e7a contra Inc\u00eandio), os difusores de ilumina\u00e7\u00e3o s\u00e3o classificados com base no seu comportamento de queima.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>TP(a) R\u00edgido<\/strong> \u00e9 a classifica\u00e7\u00e3o mais alta para difusores de ilumina\u00e7\u00e3o termopl\u00e1sticos. Para atingir este n\u00edvel, um material deve demonstrar que:<\/p>\n\n\n\n<div class=\"wp-block-group  mb-12\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile is-vertically-aligned-center\"><div class=\"wp-block-media-text__content\">\n<ol class=\"wp-block-list\">\n<li>A chama do teste se apaga antes de atingir a primeira marca (25 mm) durante o teste.<\/li>\n\n\n\n<li>Alternativamente, a dura\u00e7\u00e3o da chama ou incandesc\u00eancia residual n\u00e3o excede 5 segundos ap\u00f3s a remo\u00e7\u00e3o do queimador.<\/li>\n<\/ol>\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"509\" src=\"https:\/\/hexatrontech.com\/wp-content\/uploads\/2021\/07\/TPA-V0-fire-rated-Polycarbonate-sheet.jpg\" alt=\"TPA-V0 fire-rated polycarbonate sheet for safety and LED lighting applications\" class=\"wp-image-428 size-full\" srcset=\"https:\/\/hexatrontech.com\/pt\/wp-content\/uploads\/sites\/6\/2021\/07\/TPA-V0-fire-rated-Polycarbonate-sheet.jpg 764w, https:\/\/hexatrontech.com\/pt\/wp-content\/uploads\/sites\/6\/2021\/07\/TPA-V0-fire-rated-Polycarbonate-sheet-300x200.jpg 300w, https:\/\/hexatrontech.com\/pt\/wp-content\/uploads\/sites\/6\/2021\/07\/TPA-V0-fire-rated-Polycarbonate-sheet-750x499.jpg 750w, https:\/\/hexatrontech.com\/pt\/wp-content\/uploads\/sites\/6\/2021\/07\/TPA-V0-fire-rated-Polycarbonate-sheet-600x400.jpg 600w\" sizes=\"auto, (max-width: 764px) 100vw, 764px\" \/><\/figure><\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">We recently commissioned independent testing by SGS to see exactly how our Prismatic Diffusers perform under these rigorous conditions. Here is how both materials stood up to the heat.<\/p>\n\n\n\n<div class=\"wp-block-group mb-12\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" src=\"https:\/\/hexatrontech.com\/wp-content\/uploads\/2025\/12\/hexatron-honeycomb-convex-hexagon-prismatic-sheet-ugr19-1024x682.jpg\" alt=\"Honeycomb convex hexagon prismatic sheet for LED lighting, UGR<19, PMMA, PS, PS TP(a), PC, 90\u201394% light transmission\" class=\"wp-image-1506 size-full\"\/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Padr\u00e3o de Teste:<\/strong> BS 2782-0:2011 M\u00e9todo 508A.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Classifica\u00e7\u00e3o Oficial:<\/strong> TP(a) r\u00edgido.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Oferta:<\/strong> Oferecemos 2 materiais com classifica\u00e7\u00e3o TP(a): Poliestireno em grau especial e o Policarbonato regular.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Poliestireno (PS)<\/h3>\n\n\n\n<div class=\"wp-block-group mt-12 mb-12\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile mt-12 mb-12\"><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\">O Poliestireno \u00e9 frequentemente escolhido pela sua efici\u00eancia de custo e excelente clareza \u00f3ptica. No passado, o PS tinha dificuldades com as classes de prote\u00e7\u00e3o contra inc\u00eandio em compara\u00e7\u00e3o ao PC, mas formula\u00e7\u00f5es avan\u00e7adas permitem hoje que prismas de PS de alta qualidade atendam aos padr\u00f5es de seguran\u00e7a exigidos.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Os Resultados:<\/strong> As amostras de PS tiveram um desempenho impec\u00e1vel nos crit\u00e9rios TP(a). Semelhante \u00e0 vers\u00e3o em PC, a frente da chama <strong>n\u00e3o ultrapassou<\/strong> a marca de 25 mm.<\/li>\n<\/ul>\n<\/div><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" src=\"https:\/\/hexatrontech.com\/wp-content\/uploads\/2026\/02\/SGS-Test-Report-PS-1024x682.jpg\" alt=\"\" class=\"wp-image-2630 size-full\"\/><\/figure><\/div>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><br><strong>Policarbonato (PC)<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-group mt-12 mb-12\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile is-clickable\"><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\">O Policarbonato \u00e9 conhecido pela sua resist\u00eancia ao impacto e estabilidade t\u00e9rmica. Nossos testes recentes confirmam seu robusto perfil de seguran\u00e7a para aplica\u00e7\u00f5es de ilumina\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Os Resultados:<\/strong> Durante o teste, as amostras de PC mostraram uma resist\u00eancia excepcional. A chama <strong>n\u00e3o avan\u00e7ou<\/strong> at\u00e9 a marca de 25 mm e, crucialmente, ap\u00f3s a remo\u00e7\u00e3o do queimador, houve <strong>0 segundos<\/strong> de chama ou incandesc\u00eancia residual.<\/p>\n<\/div><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" src=\"https:\/\/hexatrontech.com\/wp-content\/uploads\/2026\/02\/SGS-Test-Report-PC-1024x682.jpg\" alt=\"\" class=\"wp-image-2631 size-full\"\/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><br>Considera\u00e7\u00f5es Finais<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Alcan\u00e7ar um valor de ofuscamento UGR&lt;19 n\u00e3o deve ocorrer \u00e0s custas da seguran\u00e7a. Independentemente de o seu projeto exigir a resist\u00eancia mec\u00e2nica do Policarbonato ou as propriedades \u00f3pticas espec\u00edficas do Poliestireno \u2014 tanto a <strong>S\u00e9rie Poly<\/strong> quanto a <strong>S\u00e9rie S<\/strong> s\u00e3o certificadas para atender \u00e0 classe de prote\u00e7\u00e3o contra inc\u00eandio <strong>TP(a)<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Utilizando a f\u00f3rmula TP(a), podemos produzir solu\u00e7\u00f5es personalizadas em v\u00e1rios outros acabamentos:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Outros tipos de prismas (Hexagonal, Micro-hexagonal, etc.)<\/li>\n\n\n\n<li>Outros n\u00edveis de transmiss\u00e3o (de 50% a transparente)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Isso significa que voc\u00ea pode especificar ambos os materiais com total confian\u00e7a, pois eles atendem aos rigorosos requisitos das normas de constru\u00e7\u00e3o.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ao selecionar ilumina\u00e7\u00e3o para espa\u00e7os comerciais, escrit\u00f3rios ou instala\u00e7\u00f5es educacionais, alcan\u00e7ar um baixo \u00cdndice de Ofuscamento Unificado (UGR&lt;19) \u00e9 frequentemente a prioridade m\u00e1xima para o conforto visual. No entanto, existe uma especifica\u00e7\u00e3o de seguran\u00e7a cr\u00edtica que muitas vezes aparece nas &#8220;letras mi\u00fadas&#8221;, mas que possui o mesmo peso: Regulamenta\u00e7\u00f5es de Seguran\u00e7a contra Inc\u00eandio. Para os [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":456,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[129],"tags":[],"class_list":["post-1473","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-en"],"acf":[],"_links":{"self":[{"href":"https:\/\/hexatrontech.com\/pt\/wp-json\/wp\/v2\/posts\/1473","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hexatrontech.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hexatrontech.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hexatrontech.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hexatrontech.com\/pt\/wp-json\/wp\/v2\/comments?post=1473"}],"version-history":[{"count":0,"href":"https:\/\/hexatrontech.com\/pt\/wp-json\/wp\/v2\/posts\/1473\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hexatrontech.com\/pt\/wp-json\/wp\/v2\/media\/456"}],"wp:attachment":[{"href":"https:\/\/hexatrontech.com\/pt\/wp-json\/wp\/v2\/media?parent=1473"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hexatrontech.com\/pt\/wp-json\/wp\/v2\/categories?post=1473"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hexatrontech.com\/pt\/wp-json\/wp\/v2\/tags?post=1473"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}