{"id":1552,"date":"2026-03-02T06:34:21","date_gmt":"2026-03-02T06:34:21","guid":{"rendered":"https:\/\/hexatrontech.com\/de\/?p=1552"},"modified":"2026-03-05T02:51:05","modified_gmt":"2026-03-05T02:51:05","slug":"tpa-ratings-in-ugr19-prismatics","status":"publish","type":"post","link":"https:\/\/hexatrontech.com\/de\/blog\/2026\/03\/02\/tpa-ratings-in-ugr19-prismatics\/","title":{"rendered":"Sicherheit an erster Stelle: TP(a)-Brandschutzklassen bei prismatischen UGR&lt;19-Diffusoren"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Bei der Auswahl der Beleuchtung f\u00fcr Gesch\u00e4ftsr\u00e4ume, B\u00fcros oder Bildungseinrichtungen hat das Erreichen eines niedrigen Blendungswerts (<strong>UGR&lt;19<\/strong>) f\u00fcr den Sehkomfort oft oberste Priorit\u00e4t. Es gibt jedoch eine entscheidende Sicherheitsspezifikation, die oft nur im Kleingedruckten steht, aber ebenso wichtig ist:&nbsp;<strong>Brandschutzvorschriften<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">F\u00fcr Leuchtenhersteller ist das Verst\u00e4ndnis der Unterschiede zwischen Polycarbonat (PC) und Polystyrol (PS) sowie deren Einstufung in die&nbsp;<strong>TP(a)-Klassifizierung<\/strong>&nbsp;unerl\u00e4sslich, um die Bauvorschriften einzuhalten.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In diesem Beitrag analysieren wir das Brandverhalten von zwei wichtigen prismatischen Materialien auf Grundlage aktueller Labortests.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Was ist die TP(a)-Klassifizierung?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Gem\u00e4\u00df den&nbsp;<em>Building Regulations 2010, Approved Document B (Fire Safety)<\/em>&nbsp;werden Lichtdiffusoren basierend auf ihrem Brennverhalten klassifiziert.&nbsp;<strong>TP(a) Rigid<\/strong>&nbsp;ist die h\u00f6chste Einstufung f\u00fcr thermoplastische Lichtdiffusoren. Um dies zu erreichen, muss ein Material nachweisen, dass:<\/p>\n\n\n\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<p class=\"wp-block-paragraph\">1. Die Testflamme erlischt, bevor sie w\u00e4hrend der Pr\u00fcfung die erste Markierung (25 mm) erreicht.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. Alternativ dazu die Dauer des Flammendurchgangs oder des Nachgl\u00fchens nach dem Entfernen des Brenners 5 Sekunden nicht \u00fcberschreitet.<\/p>\n<\/div><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" 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\"\/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Wir haben k\u00fcrzlich unabh\u00e4ngige Tests bei SGS in Auftrag gegeben, um genau zu sehen, wie unsere prismatischen Diffusoren unter diesen strengen Bedingungen abschneiden. Hier erfahren Sie, wie beide Materialien der Hitze standhielten.<\/p>\n\n\n\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>Pr\u00fcfnorm:<\/strong>&nbsp;BS 2782-0:2011 Methode 508A.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Offizielle Klassifizierung:<\/strong>&nbsp;TP(a) rigid.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Wir bieten zwei Materialien mit TP(a)-Einstufung an: Polystyrol in einer speziellen G\u00fcteklasse und regul\u00e4res Polycarbonat.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><br><strong>Polystyrene (PS) <\/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 mt-12 mb-12\"><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\">Polystyrene is often chosen for its cost-effectiveness and excellent optical clarity. Historically, PS struggled with fire ratings compared to PC, but advanced formulations now allow high-quality PS prismatics to achieve the required safety standards.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>The Results:<\/strong>&nbsp;The PS samples performed flawlessly against the TP(a) criteria.&nbsp;Similar to the PC version, the flame front did&nbsp;<strong>not<\/strong>&nbsp;pass the 25mm mark.<\/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-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>Polycarbonate (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\">Polycarbonate is renowned for its impact resistance and thermal stability. Our recent testing confirms its robust safety profile for lighting applications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>The Results:<\/strong>&nbsp;During the test, the PC specimens showed exceptional resistance.&nbsp;The flame did&nbsp;<strong>not<\/strong>&nbsp;travel to the 25mm mark, and critically, there was&nbsp;<strong>0 seconds<\/strong>&nbsp;of afterflame or afterglow once the burner was removed.<\/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<h2 class=\"wp-block-heading\"><strong>Final Thoughts<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Achieving a UGR&lt;19 glare rating shouldn&#8217;t come at the expense of safety.&nbsp;Whether your project requires the mechanical strength of Polycarbonate or the specific optical properties of Polystyrene, both the&nbsp;<strong>Poly Series<\/strong>&nbsp;and&nbsp;<strong>S Series<\/strong>&nbsp;are verified to meet the&nbsp;<strong>TP(a)<\/strong>&nbsp;fire safety classification.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Using the TP(a) formula we can custom produce in various other types:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Other types of prisms (Hexagonal, Micro Hexagon, etc)<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Other transmittance levels (From 50% to clear)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This means you can specify either material with confidence, knowing they comply with the stringent requirements of Building Regulations.<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Bei der Auswahl der Beleuchtung f\u00fcr Gesch\u00e4ftsr\u00e4ume, B\u00fcros oder Bildungseinrichtungen hat das Erreichen eines niedrigen Blendungswerts (UGR&lt;19) f\u00fcr den Sehkomfort oft oberste Priorit\u00e4t. Es gibt jedoch eine entscheidende Sicherheitsspezifikation, die oft nur im Kleingedruckten steht, aber ebenso wichtig ist:&nbsp;Brandschutzvorschriften. F\u00fcr Leuchtenhersteller ist das Verst\u00e4ndnis der Unterschiede zwischen Polycarbonat (PC) und Polystyrol (PS) sowie deren Einstufung [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1560,"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-1552","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-en"],"acf":[],"_links":{"self":[{"href":"https:\/\/hexatrontech.com\/de\/wp-json\/wp\/v2\/posts\/1552","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hexatrontech.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hexatrontech.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hexatrontech.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hexatrontech.com\/de\/wp-json\/wp\/v2\/comments?post=1552"}],"version-history":[{"count":0,"href":"https:\/\/hexatrontech.com\/de\/wp-json\/wp\/v2\/posts\/1552\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hexatrontech.com\/de\/wp-json\/wp\/v2\/media\/1560"}],"wp:attachment":[{"href":"https:\/\/hexatrontech.com\/de\/wp-json\/wp\/v2\/media?parent=1552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hexatrontech.com\/de\/wp-json\/wp\/v2\/categories?post=1552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hexatrontech.com\/de\/wp-json\/wp\/v2\/tags?post=1552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}