{"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\/da\/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\">Indholdsfortegnelse<\/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\/da\/products\/fr-4-pcb\/#Professional_FR-4_PCB_Manufacturing_Services\" >Professionel FR-4 PCB-produktionsservice<\/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\/da\/products\/fr-4-pcb\/#Why_Choose_Topfasts_FR-4_PCB_Services\" >Hvorfor v\u00e6lge Topfast&amp;#8217s FR-4 PCB-tjenester?<\/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\/da\/products\/fr-4-pcb\/#Key_Advantages_of_FR-4_PCBs\" >Vigtige fordele ved FR-4 printkort<\/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\/da\/products\/fr-4-pcb\/#Topfasts_Professional_FR-4_PCB_Manufacturing_Process\" >Topfast&#8217;s professionelle FR-4 PCB-fremstillingsproces<\/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\/da\/products\/fr-4-pcb\/#FR-4_PCB_Application_Areas\" >FR-4 PCB-anvendelsesomr\u00e5der<\/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\/da\/products\/fr-4-pcb\/#Why_Global_Clients_Choose_Topfast\" >Hvorfor v\u00e6lger globale kunder Topfast?<\/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\/da\/products\/fr-4-pcb\/#Comparison_of_Common_FR-4_PCB_Types\" >Sammenligning af almindelige FR-4 PCB-typer<\/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\/da\/products\/fr-4-pcb\/#Professional_FR-4_PCB_Manufacturing_Guidelines\" >Professionelle retningslinjer for fremstilling af FR-4-printkort<\/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\/da\/products\/fr-4-pcb\/#Topfast_Manufacturing_Capabilities_Overview\" >Oversigt over Topfasts produktionskapacitet<\/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\/da\/products\/fr-4-pcb\/#Success_Stories\" >Succeshistorier<\/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\/da\/products\/fr-4-pcb\/#Contact_Us\" >Kontakt os<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<h2><span class=\"ez-toc-section\" id=\"Professional_FR-4_PCB_Manufacturing_Services\"><\/span>Professionel FR-4 PCB-produktionsservice<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ds-markdown-paragraph\">FR-4 epoxyplader er de mest anvendte PCB-basismaterialer i elektronikindustrien, kendt for deres fremragende mekaniske egenskaber, dielektriske egenskaber og flammeh\u00e6mmende egenskaber. Topfast giver dig omfattende FR-4 PCB-l\u00f8sninger fra design til masseproduktion.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_Choose_Topfasts_FR-4_PCB_Services\"><\/span>Hvorfor v\u00e6lge Topfast&amp;#8217s FR-4 PCB-tjenester?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><strong>\u221a 60-lags h\u00f8jpr\u00e6cisionsfremstilling<\/strong><span>\u00a0<\/span>&#8211; Fra simple enkeltlag til komplekse 60-lags plader<br \/>\n<strong>\u221a Streng kvalitetskontrol<\/strong><span>\u00a0<\/span>UL, ROHS, ISO9001 certificeret, 100% inspektion<br \/>\n<strong>\u221a Hurtig levering<\/strong><span>\u00a0<\/span>&#8211; Pr\u00f8ver p\u00e5 24 timer, masseproduktion p\u00e5 5-7 dage<br \/>\n<strong>\u221a Omkostningsoptimerede l\u00f8sninger<\/strong><span>\u00a0<\/span>&#8211; Konkurrencedygtige priser gennem skaleret produktion<\/p>\n<p class=\"ds-markdown-paragraph\"><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.topfastpcb.com\/da\/contact\/\">F\u00e5 tilbud p\u00e5 FR-4 PCB nu<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Key_Advantages_of_FR-4_PCBs\"><\/span>Vigtige fordele ved FR-4 printkort<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Fremragende mekaniske egenskaber<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Lodret slagstyrke \u2265 340MPa<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Parallel slagstyrke \u226533KJ\/\u33a1<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Tykkelsesomr\u00e5de 0,1-6,0 mm til forskellige anvendelser<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Overlegne elektriske egenskaber<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Dielektrisk konstant \u22645,5<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Dissipationsfaktor \u22640,04<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Isolationsmodstand efter neds\u00e6nkning \u22655\u00d710\u2078\u03a9<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Enest\u00e5ende milj\u00f8m\u00e6ssig tilpasningsevne<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Glasovergangstemperatur (Tg) op til 170\u2103<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Nedbrydningstemperatur (Td) 345\u2103<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Fremragende fugtbestandighed til fugtige milj\u00f8er<\/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 professionelle FR-4 <a href=\"https:\/\/www.topfastpcb.com\/da\/blog\/pcb-manufacturing-process-flow\/\">PCB-fremstillingsproces<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">Vi anvender avancerede internationale processer, der sikrer de h\u00f8jeste standarder:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Panelbel\u00e6gning<\/strong>: Min. linje\/rum 2\/2mil, ensartethed i kobbertykkelse \u00b115%.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>M\u00f8nsterbel\u00e6gning<\/strong>Min. linje\/afstand 1\/1mil, ensartethed \u00b18%.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Forskellige overfladebehandlinger<\/strong>: HASL, ENIG, OSP, neds\u00e6nkning af guld\/tin osv.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Streng QC<\/strong>: AOI, impedanspr\u00f8vning, funktionel pr\u00f8vning<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.topfastpcb.com\/da\/contact\/\">Se vores PCB-kapaciteter<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"FR-4_PCB_Application_Areas\"><\/span>FR-4 PCB-anvendelsesomr\u00e5der<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">Udbredt i:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Forbrugerelektronik: Smartphones, tablets, wearables<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Industriel styring:PLC'er, invertere, industrielle pc'er<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Elektronik til biler:Infotainment, ADAS, BMS<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Kommunikation:Routere, switche, basestationer<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Medicinsk udstyr:Monitorer, diagnostisk udstyr<\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Why_Global_Clients_Choose_Topfast\"><\/span>Hvorfor v\u00e6lger globale kunder Topfast?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">20.000\u33a1 moderne produktionsanl\u00e6g<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Mere end 1.000 professionelle teknikere<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Betjente anerkendte virksomheder som Huawei, DJI, Mitsubishi<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Avanceret udstyr, herunder laserbor, VCP-linjer<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Komplette l\u00f8sninger fra design til montering<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.topfastpcb.com\/da\/contact\/\">H\u00f8r om dine PCB-behov nu<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comparison_of_Common_FR-4_PCB_Types\"><\/span>Sammenligning af almindelige FR-4 PCB-typer<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>Karakteristika<\/th>\n<th>Anvendelser<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Standard FR-4<\/td>\n<td>Tg 130-140\u2103, omkostningseffektiv<\/td>\n<td>Forbrugerelektronik<\/td>\n<\/tr>\n<tr>\n<td>H\u00f8j Tg FR-4<\/td>\n<td>Tg\u2265170\u2103, varmebestandig<\/td>\n<td>Biler, industri<\/td>\n<\/tr>\n<tr>\n<td>H\u00f8j CTI FR-4<\/td>\n<td>CTI\u2265600V, h\u00f8j isolering<\/td>\n<td>H\u00f8jsp\u00e6nding, medicinsk<\/td>\n<\/tr>\n<tr>\n<td>Ikke-kobber FR-4<\/td>\n<td>Rent isoleringssubstrat<\/td>\n<td>Strukturel st\u00f8tte<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"Professional_FR-4_PCB_Manufacturing_Guidelines\"><\/span>Professionelle retningslinjer for fremstilling af FR-4-printkort<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Guide til valg af tykkelse<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">B\u00e6rbare produkter: 0,1-0,4 mm ultratynde<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Forbrugerelektronik: 1,0-1,6 mm standard<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Industriel: 2,0-3,2 mm tyk<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">H\u00f8j effekt: 3,0-6,0 mm ekstra tyk<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>H\u00f8jfrekvent optimering<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">V\u00e6lg FR-4-varianter med lav Dk\/Df<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">S\u00e6rlige processer til kontrol af impedans<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Anbefalede materialer som Isola 370HR<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Termisk styring<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">FR-4 med h\u00f8j varmeledningsevne (Tg180+)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Optimeret termisk via-design<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Hybridstrukturer med metalkerne<\/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\/da\/contact\/\">F\u00e5 anbefalinger til design<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Topfast_Manufacturing_Capabilities_Overview\"><\/span>Oversigt over Topfasts produktionskapacitet<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Max lag<\/strong>: 60<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Min. linje\/mellemrum<\/strong>: 2\/2mil (ydre), 3\/3mil (indre)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>V\u00e6gt i kobber<\/strong>: 1\/3oz-10oz<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Overfladebehandlinger<\/strong>: HASL, ENIG, OSP, neds\u00e6nket guld\/tin osv.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Farver p\u00e5 loddemasker<\/strong>: Gr\u00f8n, sort, bl\u00e5, r\u00f8d, hvid osv.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Pladens tykkelse<\/strong>: 0,4-8mm<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Maks. bordst\u00f8rrelse<\/strong>: 22.5&#8243;\u00d730&#8243;<\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Success_Stories\"><\/span>Succeshistorier<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><strong>Case 1: PCB til ADAS-system til biler<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">12-lags FR-4 med h\u00f8j Tg<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u00b15% impedansregulering<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">ENIG-overfladefinish<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">AEC-Q100-certificeret<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong>Case 2: 5G-basestation med h\u00f8jfrekvent PCB<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">FR-4-materiale med lavt tab<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Hybrid lamineringsstruktur<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Pr\u00e6cis styring af impedans<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Overfladebehandling i guld<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong>Case 3: PCB til medicinsk monitor<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">6-lags h\u00f8j CTI FR-4<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Overensstemmende bel\u00e6gning<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">100 % test med flyvende sonde<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Overholder kravene til medicinsk sikkerhed<\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Contact_Us\"><\/span>Kontakt os<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">Uanset om du har brug for prototyper eller masseproduktion, leverer Topfast p\u00e5lidelige FR-4 PCB-l\u00f8sninger. Vores ingeni\u00f8rteam er klar til at hj\u00e6lpe:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Telefon: +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 support p\u00e5 hjemmesiden<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Fabrik:No.96, Chuangqiang Road, Ningxi Street, Zengcheng District, Guangzhou, Kina<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong>Topfast &#8211; din p\u00e5lidelige PCB-partner!<\/strong><span>\u00a0<\/span>17 \u00e5rs ekspertise, 20.000\u33a1 faciliteter, 1.000+ tekniske team, der leverer one-stop PCB-l\u00f8sninger fra design til produktion til din elektronik.<\/p>","protected":false},"excerpt":{"rendered":"<p>Topfast har specialiseret sig i at levere et komplet udvalg af FR-4 PCB-tjenester, herunder standard FR-4, h\u00f8j TG, h\u00f8j CTI og andre typer, der underst\u00f8tter h\u00f8jpr\u00e6cisionsfremstilling af op til 60 lag. Vi har en moderne fabrik p\u00e5 20.000 m\u00b2, som er UL-, ROHS- og ISO9001-certificeret. Kontakt os nu for professionelle printkortl\u00f8sninger!<\/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\/da\/products\/fr-4-pcb\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FR-4 PCB - Topfastpcb\" \/>\n<meta property=\"og: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 property=\"og:url\" content=\"https:\/\/www.topfastpcb.com\/da\/products\/fr-4-pcb\/\" \/>\n<meta property=\"og:site_name\" content=\"Topfastpcb\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/fr4-pcb-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"750\" \/>\n\t<meta property=\"og:image:height\" content=\"750\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Estimeret l\u00e6setid\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutter\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.topfastpcb.com\/products\/fr-4-pcb\/\",\"url\":\"https:\/\/www.topfastpcb.com\/products\/fr-4-pcb\/\",\"name\":\"FR-4 PCB - Topfastpcb\",\"isPartOf\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/products\/fr-4-pcb\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/products\/fr-4-pcb\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/fr4-pcb-2.jpg\",\"datePublished\":\"2025-06-28T00:35:03+00:00\",\"description\":\"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.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.topfastpcb.com\/products\/fr-4-pcb\/#breadcrumb\"},\"inLanguage\":\"da-DK\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.topfastpcb.com\/products\/fr-4-pcb\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"da-DK\",\"@id\":\"https:\/\/www.topfastpcb.com\/products\/fr-4-pcb\/#primaryimage\",\"url\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/fr4-pcb-2.jpg\",\"contentUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/fr4-pcb-2.jpg\",\"width\":750,\"height\":750,\"caption\":\"fr4 pcb\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.topfastpcb.com\/products\/fr-4-pcb\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.topfastpcb.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u5546\u5e97\",\"item\":\"https:\/\/www.topfastpcb.com\/shop\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"FR-4 PCB\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.topfastpcb.com\/#website\",\"url\":\"https:\/\/www.topfastpcb.com\/\",\"name\":\"Topfastpcb\",\"description\":\"Topfast Prime Choice for Global Electronics Manufacturing\",\"publisher\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.topfastpcb.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"da-DK\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\",\"name\":\"Topfastpcb\",\"url\":\"https:\/\/www.topfastpcb.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"da-DK\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png\",\"contentUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png\",\"width\":144,\"height\":56,\"caption\":\"Topfastpcb\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"FR-4 PCB - Topfastpcb","description":"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.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.topfastpcb.com\/da\/products\/fr-4-pcb\/","og_locale":"da_DK","og_type":"article","og_title":"FR-4 PCB - Topfastpcb","og_description":"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.","og_url":"https:\/\/www.topfastpcb.com\/da\/products\/fr-4-pcb\/","og_site_name":"Topfastpcb","og_image":[{"width":750,"height":750,"url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/fr4-pcb-2.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Estimeret l\u00e6setid":"3 minutter"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.topfastpcb.com\/products\/fr-4-pcb\/","url":"https:\/\/www.topfastpcb.com\/products\/fr-4-pcb\/","name":"FR-4 PCB - Topfastpcb","isPartOf":{"@id":"https:\/\/www.topfastpcb.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.topfastpcb.com\/products\/fr-4-pcb\/#primaryimage"},"image":{"@id":"https:\/\/www.topfastpcb.com\/products\/fr-4-pcb\/#primaryimage"},"thumbnailUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/fr4-pcb-2.jpg","datePublished":"2025-06-28T00:35:03+00:00","description":"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.","breadcrumb":{"@id":"https:\/\/www.topfastpcb.com\/products\/fr-4-pcb\/#breadcrumb"},"inLanguage":"da-DK","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.topfastpcb.com\/products\/fr-4-pcb\/"]}]},{"@type":"ImageObject","inLanguage":"da-DK","@id":"https:\/\/www.topfastpcb.com\/products\/fr-4-pcb\/#primaryimage","url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/fr4-pcb-2.jpg","contentUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/fr4-pcb-2.jpg","width":750,"height":750,"caption":"fr4 pcb"},{"@type":"BreadcrumbList","@id":"https:\/\/www.topfastpcb.com\/products\/fr-4-pcb\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.topfastpcb.com\/"},{"@type":"ListItem","position":2,"name":"\u5546\u5e97","item":"https:\/\/www.topfastpcb.com\/shop\/"},{"@type":"ListItem","position":3,"name":"FR-4 PCB"}]},{"@type":"WebSite","@id":"https:\/\/www.topfastpcb.com\/#website","url":"https:\/\/www.topfastpcb.com\/","name":"Topfastpcb","description":"Topfast Prime Choice for Global Electronics Manufacturing","publisher":{"@id":"https:\/\/www.topfastpcb.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.topfastpcb.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"da-DK"},{"@type":"Organization","@id":"https:\/\/www.topfastpcb.com\/#organization","name":"Topfastpcb","url":"https:\/\/www.topfastpcb.com\/","logo":{"@type":"ImageObject","inLanguage":"da-DK","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png","contentUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png","width":144,"height":56,"caption":"Topfastpcb"},"image":{"@id":"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/product\/3479","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/comments?post=3479"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/media\/3482"}],"wp:attachment":[{"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/media?parent=3479"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/product_brand?post=3479"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/product_cat?post=3479"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/product_tag?post=3479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}