{"id":3479,"date":"2025-06-28T08:35:03","date_gmt":"2025-06-28T00:35:03","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?post_type=product&#038;p=3479"},"modified":"2025-06-26T11:23:14","modified_gmt":"2025-06-26T03:23:14","slug":"fr-4-pcb","status":"publish","type":"product","link":"https:\/\/www.topfastpcb.com\/nl\/products\/fr-4-pcb\/","title":{"rendered":"FR-4 PCB"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Inhoudsopgave<\/p>\n<span class=\"ez-toc-title-toggle\"><\/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.topfastpcb.com\/nl\/products\/fr-4-pcb\/#Professional_FR-4_PCB_Manufacturing_Services\" >Professionele FR-4 PCB productiediensten<\/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:\/\/www.topfastpcb.com\/nl\/products\/fr-4-pcb\/#Why_Choose_Topfasts_FR-4_PCB_Services\" >Waarom kiezen voor Topfast&#8217;s FR-4 PCB diensten?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/nl\/products\/fr-4-pcb\/#Key_Advantages_of_FR-4_PCBs\" >Belangrijkste voordelen van FR-4 PCB's<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/nl\/products\/fr-4-pcb\/#Topfasts_Professional_FR-4_PCB_Manufacturing_Process\" >Topfast&#8217;s Professioneel FR-4 PCB Productieproces<\/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.topfastpcb.com\/nl\/products\/fr-4-pcb\/#FR-4_PCB_Application_Areas\" >FR-4 PCB Toepassingsgebieden<\/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.topfastpcb.com\/nl\/products\/fr-4-pcb\/#Why_Global_Clients_Choose_Topfast\" >Waarom kiezen wereldwijde klanten voor Topfast? echte kwaliteitseindproductassemblage<\/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.topfastpcb.com\/nl\/products\/fr-4-pcb\/#Comparison_of_Common_FR-4_PCB_Types\" >Vergelijking van gemeenschappelijke FR-4 PCB-types<\/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.topfastpcb.com\/nl\/products\/fr-4-pcb\/#Professional_FR-4_PCB_Manufacturing_Guidelines\" >Professionele FR-4 PCB Fabricage Richtlijnen<\/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.topfastpcb.com\/nl\/products\/fr-4-pcb\/#Topfast_Manufacturing_Capabilities_Overview\" >Topfast productiemogelijkheden overzicht<\/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.topfastpcb.com\/nl\/products\/fr-4-pcb\/#Success_Stories\" >Succesverhalen<\/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.topfastpcb.com\/nl\/products\/fr-4-pcb\/#Contact_Us\" >Neem contact met ons op<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<h2><span class=\"ez-toc-section\" id=\"Professional_FR-4_PCB_Manufacturing_Services\"><\/span>Professionele FR-4 PCB productiediensten<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ds-markdown-paragraph\">FR-4 epoxy boards zijn de meest gebruikte PCB basismaterialen in de elektronica-industrie, bekend om hun uitstekende mechanische eigenschappen, di\u00eblektrische eigenschappen en vlamvertragende eigenschappen. Topfast biedt u uitgebreide FR-4 PCB-oplossingen van ontwerp tot massaproductie.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_Choose_Topfasts_FR-4_PCB_Services\"><\/span>Waarom kiezen voor Topfast&#8217;s FR-4 PCB diensten?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><strong>\u221a 60-lagen productie met hoge precisie<\/strong><span>\u00a0<\/span>&#8211; Van eenvoudige borden met \u00e9\u00e9n laag tot complexe borden met 60 lagen<br \/>\n<strong>\u221a Strikte kwaliteitscontrole<\/strong><span>\u00a0<\/span>&#8211; UL, ROHS, ISO9001 gecertificeerd, 100% inspectie<br \/>\n<strong>\u221a Snelle levering<\/strong><span>\u00a0<\/span>&#8211; Monsters in 24 uur, massaproductie in 5-7 dagen<br \/>\n<strong>\u221a Kostengeoptimaliseerde oplossingen<\/strong><span>\u00a0<\/span>Concurrerende prijzen door productie op grote schaal<\/p>\n<p class=\"ds-markdown-paragraph\"><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.topfastpcb.com\/nl\/contact\/\">Krijgen FR-4 PCB Quote nu<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Key_Advantages_of_FR-4_PCBs\"><\/span>Belangrijkste voordelen van FR-4 PCB's<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Uitstekende mechanische eigenschappen<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Verticale schokweerstand \u2265 340MPa<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Parallelle schokweerstand \u226533KJ\/\u33a1<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Diktebereik 0,1-6,0 mm voor verschillende toepassingen<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Superieure elektrische eigenschappen<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Di\u00eblektrische constante \u22645,5<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Dissipatiefactor \u22640,04<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Isolatieweerstand na onderdompeling \u22655\u00d710\u2078\u03a9<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Uitstekend aanpassingsvermogen aan de omgeving<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Glasovergangstemperatuur (Tg) tot 170\u2103<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Decompositietemperatuur (Td) 345\u2103<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Uitstekende vochtbestendigheid voor vochtige omgevingen<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/fr4-pcb.jpg\" alt=\"fr4 pcb\" width=\"600\" height=\"402\" class=\"aligncenter size-full wp-image-3480\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/fr4-pcb.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/fr4-pcb-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/fr4-pcb-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Topfasts_Professional_FR-4_PCB_Manufacturing_Process\"><\/span>Topfast&#8217;s Professionele FR-4 <a href=\"https:\/\/www.topfastpcb.com\/nl\/blog\/pcb-manufacturing-process-flow\/\">PCB productieproces ~4.3-4.8)<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">We maken gebruik van geavanceerde internationale processen om de hoogste normen te garanderen:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Paneelplateermiddel ~4.3-4.8)<\/strong>: Min. lijn\/ruimte 2\/2mil, koperdikte uniformiteit \u00b115%<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Patroonplateren<\/strong>Min. lijn\/ruimte 1\/1mil, uniformiteit \u00b18%<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Diverse oppervlakteafwerkingen<\/strong>: HASL, ENIG, OSP, onderdompeling goud\/tin, enz.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Strenge QC<\/strong>: AOI, impedantietesten, functioneel testen<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.topfastpcb.com\/nl\/contact\/\">Bekijk onze PCB-mogelijkheden<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"FR-4_PCB_Application_Areas\"><\/span>FR-4 PCB Toepassingsgebieden<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">Wijd gebruikt in:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Consumentenelektronica: Smartphones, tablets, wearables<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Industri\u00eble besturing:PLC's, omvormers, industri\u00eble pc's<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Automobielelektronica:Infotainment, ADAS, BMS<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Communicatie:Routers, switches, basisstations<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Medische apparaten:Monitoren, diagnostische apparatuur<\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Why_Global_Clients_Choose_Topfast\"><\/span>Waarom kiezen wereldwijde klanten voor Topfast? echte kwaliteitseindproductassemblage<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">20.000\u33a1 moderne productiefaciliteit<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">1.000+ professioneel technisch team<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Bediening van gerenommeerde bedrijven als Huawei, DJI, Mitsubishi<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Geavanceerde apparatuur, waaronder laserboren, VCP-lijnen<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Complete oplossingen van ontwerp tot assemblage<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.topfastpcb.com\/nl\/contact\/\">Raadpleeg nu uw PCB-behoeften<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comparison_of_Common_FR-4_PCB_Types\"><\/span>Vergelijking van gemeenschappelijke FR-4 PCB-types<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"markdown-table-wrapper\">\n<table>\n<thead>\n<tr>\n<th>Type<\/th>\n<th>Kenmerken<\/th>\n<th>Toepassingen<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Standaard FR-4<\/td>\n<td>Tg 130-140\u2103, rendabel<\/td>\n<td>Consumentenelektronica ~4,3-4,8)<\/td>\n<\/tr>\n<tr>\n<td>Hoog Tg FR-4<\/td>\n<td>Tg\u2265170\u2103, hittebestendig<\/td>\n<td>Auto, industrieel<\/td>\n<\/tr>\n<tr>\n<td>Hoog CTI FR-4<\/td>\n<td>CTI\u2265600V, hoge isolatie<\/td>\n<td>Hoogspanning, medisch<\/td>\n<\/tr>\n<tr>\n<td>Niet-koper FR-4<\/td>\n<td>Zuiver isolatiesubstraat<\/td>\n<td>Structurele ondersteuning<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"Professional_FR-4_PCB_Manufacturing_Guidelines\"><\/span>Professionele FR-4 PCB Fabricage Richtlijnen<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Dikte selectiegids<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Wearables: 0,1-0,4 mm ultradun<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Consumentenelektronica: 1,0-1,6 mm standaard<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Industrieel: 2,0-3,2 mm dik<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Hoog vermogen: 3,0-6,0 mm extra dik<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Hoogfrequente optimalisatie<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Selecteer FR-4-varianten met laag Dk\/Df-gehalte<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Speciale impedantiecontroleprocessen<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Aanbevolen materialen zoals Isola 370HR<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Thermisch beheer<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">FR-4 met hoog warmtegeleidingsvermogen (Tg180+)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Geoptimaliseerd ontwerp van thermische doorvoer<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Metaal-kern hybride structuren<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p class=\"ds-markdown-paragraph\"><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.topfastpcb.com\/nl\/contact\/\">Aanbevelingen voor ontwerp krijgen<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Topfast_Manufacturing_Capabilities_Overview\"><\/span>Topfast productiemogelijkheden overzicht<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Max. lagen<\/strong>: 60<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Min. regel\/ruimte<\/strong>: 2\/2mil (buiten), 3\/3mil (binnen)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Koper gewicht<\/strong>: 1\/3oz-10oz<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Oppervlakteafwerkingen<\/strong>: HASL, ENIG, OSP, onderdompeling goud\/tin enz.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Soldeermasker kleuren<\/strong>: Groen, zwart, blauw, rood, wit enz.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Plaatdikte<\/strong>: 0,4-8 mm<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Max. grootte printplaat<\/strong>: 22.5&#8243;\u00d730&#8243;<\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Success_Stories\"><\/span>Succesverhalen<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><strong>Geval 1: PCB van ADAS-systeem voor auto's<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">12-lagig hoog Tg FR-4<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u00b15% impedantieregeling<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">ENIG-oppervlakteafwerking<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">AEC-Q100 gecertificeerd<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong>Geval 2: PCB voor 5G-basisstation met hoge frequentie<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">FR-4 materiaal met laag verlies<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Hybride laminaatstructuur<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Nauwkeurige impedantieregeling<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Afwerking dompelgoud<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong>Geval 3: PCB medische monitor<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">6-lagig hoog CTI FR-4<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Conforme coating<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">100% vliegende sondetest<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">In overeenstemming met medische veiligheid<\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Contact_Us\"><\/span>Neem contact met ons op<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">Of u nu prototypes of massaproductie nodig hebt, Topfast biedt betrouwbare FR-4 PCB-oplossingen. Ons engineeringteam staat klaar om u te helpen:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Telefoon: +86 139 2957 6863<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">E-mail:<span>\u00a0<\/span><a href=\"https:\/\/mailto:op@topfastpcb.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">op@topfastpcb.com<\/a><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Online chat: 24\/7 ondersteuning op de website<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Fabriek:No.96, Chuangqiang Road, Ningxi Street, Zengcheng District, Guangzhou, China<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong>Topfast &#8211; Uw vertrouwde PCB-partner!<\/strong><span>\u00a0<\/span>17 jaar expertise, 20.000\u33a1 faciliteiten, 1.000+ technisch team, dat one-stop PCB-oplossingen biedt van ontwerp tot productie voor uw elektronica.<\/p>","protected":false},"excerpt":{"rendered":"<p>Topfast is gespecialiseerd in het leveren van een volledig scala aan FR-4 PCB-diensten, waaronder standaard FR-4, hoge TG, hoge CTI en andere typen, met ondersteuning voor zeer nauwkeurige productie van maximaal 60 lagen. We hebben een 20.000 m\u00b2 moderne fabriek die UL, ROHS en ISO9001 gecertificeerd is. Neem nu contact met ons op voor professionele PCB-oplossingen!<\/p>","protected":false},"featured_media":3482,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[113],"product_tag":[310,121],"class_list":{"0":"post-3479","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-rigid-pcb","7":"product_tag-fr-4-pcb","8":"product_tag-rigid-pcb","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>FR-4 PCB - Topfastpcb<\/title>\n<meta name=\"description\" content=\"Topfast provides high-quality FR-4 PCB manufacturing services, from prototyping to mass production, 60-layer high-precision circuit boards, 10 years of industry experience, ISO certification, and fast delivery.\" \/>\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.topfastpcb.com\/nl\/products\/fr-4-pcb\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FR-4 PCB - 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