{"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\/sv\/products\/fr-4-pcb\/","title":{"rendered":"FR-4 KRETSKORT"},"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\">Inneh\u00e5llsf\u00f6rteckning<\/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\/sv\/products\/fr-4-pcb\/#Professional_FR-4_PCB_Manufacturing_Services\" >Professionella tj\u00e4nster f\u00f6r tillverkning av FR-4 PCB<\/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\/sv\/products\/fr-4-pcb\/#Why_Choose_Topfasts_FR-4_PCB_Services\" >Varf\u00f6r v\u00e4lja Topfast&#8217;s FR-4 PCB-tj\u00e4nster?<\/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\/sv\/products\/fr-4-pcb\/#Key_Advantages_of_FR-4_PCBs\" >Viktiga f\u00f6rdelar med FR-4-kretskort<\/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\/sv\/products\/fr-4-pcb\/#Topfasts_Professional_FR-4_PCB_Manufacturing_Process\" >Topfast&#8217;s professionella tillverkningsprocess f\u00f6r FR-4 PCB<\/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\/sv\/products\/fr-4-pcb\/#FR-4_PCB_Application_Areas\" >Anv\u00e4ndningsomr\u00e5den f\u00f6r FR-4 PCB<\/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\/sv\/products\/fr-4-pcb\/#Why_Global_Clients_Choose_Topfast\" >Varf\u00f6r v\u00e4ljer globala 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\/sv\/products\/fr-4-pcb\/#Comparison_of_Common_FR-4_PCB_Types\" >J\u00e4mf\u00f6relse av vanliga 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\/sv\/products\/fr-4-pcb\/#Professional_FR-4_PCB_Manufacturing_Guidelines\" >Riktlinjer f\u00f6r professionell tillverkning av FR-4-kretskort<\/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\/sv\/products\/fr-4-pcb\/#Topfast_Manufacturing_Capabilities_Overview\" >\u00d6versikt \u00f6ver Topfasts tillverkningskapacitet<\/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\/sv\/products\/fr-4-pcb\/#Success_Stories\" >Framg\u00e5ngsrika ber\u00e4ttelser<\/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\/sv\/products\/fr-4-pcb\/#Contact_Us\" >Kontakta oss<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<h2><span class=\"ez-toc-section\" id=\"Professional_FR-4_PCB_Manufacturing_Services\"><\/span>Professionella tj\u00e4nster f\u00f6r tillverkning av FR-4 PCB<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ds-markdown-paragraph\">FR-4 epoxikort \u00e4r det vanligaste PCB-basmaterialet inom elektronikindustrin och \u00e4r k\u00e4nt f\u00f6r sina utm\u00e4rkta mekaniska egenskaper, dielektriska egenskaper och flamskyddsegenskaper. Topfast f\u00f6rser dig med omfattande FR-4 PCB-l\u00f6sningar fr\u00e5n design till massproduktion.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_Choose_Topfasts_FR-4_PCB_Services\"><\/span>Varf\u00f6r v\u00e4lja Topfast&#8217;s FR-4 PCB-tj\u00e4nster?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><strong>\u221a 60-lagers h\u00f6gprecisionstillverkning<\/strong><span>\u00a0<\/span>&#8211; Fr\u00e5n enkla enskiktsskivor till komplexa 60-skiktsskivor<br \/>\n<strong>\u221a Strikt kvalitetskontroll<\/strong><span>\u00a0<\/span>&#8211; UL, ROHS, ISO9001-certifierad, 100% inspektion<br \/>\n<strong>\u221a Snabb leverans<\/strong><span>\u00a0<\/span>&#8211; Prover inom 24 timmar, massproduktion inom 5-7 dagar<br \/>\n<strong>\u221a Kostnadsoptimerade l\u00f6sningar<\/strong><span>\u00a0<\/span>&#8211; Konkurrenskraftig priss\u00e4ttning genom skalad produktion<\/p>\n<p class=\"ds-markdown-paragraph\"><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.topfastpcb.com\/sv\/contact\/\">F\u00e5 FR-4 PCB offert nu<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Key_Advantages_of_FR-4_PCBs\"><\/span>Viktiga f\u00f6rdelar med FR-4-kretskort<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Utm\u00e4rkta mekaniska egenskaper<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Vertikal slagh\u00e5llfasthet \u2265 340MPa<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Parallell slagh\u00e5llfasthet \u226533KJ\/\u33a1<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Tjocklek 0,1-6,0 mm f\u00f6r olika anv\u00e4ndningsomr\u00e5den<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u00d6verl\u00e4gsna elektriska egenskaper<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Dielektricitetskonstant \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\">Isolationsmotst\u00e5nd efter neds\u00e4nkning \u22655\u00d710\u2078\u03a9<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Enast\u00e5ende milj\u00f6anpassningsf\u00f6rm\u00e5ga<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Glas\u00f6verg\u00e5ngstemperatur (Tg) upp till 170 \u2103<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">S\u00f6nderdelningstemperatur (Td) 345\u2103<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Utm\u00e4rkt fuktbest\u00e4ndighet f\u00f6r fuktiga milj\u00f6er<\/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 kretskort\" 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 professionella FR-4 <a href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-manufacturing-process-flow\/\">Tillverkningsprocess f\u00f6r kretskort<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">Vi anv\u00e4nder avancerade internationella processer f\u00f6r att s\u00e4kerst\u00e4lla h\u00f6gsta standard:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Panelpl\u00e4tering<\/strong>: Min. linje\/avst\u00e5nd 2\/2mil, koppartjocklekens enhetlighet \u00b115%.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>M\u00f6nsterpl\u00e4tering<\/strong>Min. linje\/avst\u00e5nd 1\/1mil, j\u00e4mnhet \u00b18%.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Olika ytbehandlingar<\/strong>: HASL, ENIG, OSP, neds\u00e4nkning guld\/tin, etc.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Rigor\u00f6s QC<\/strong>: AOI, impedansprovning, funktionsprovning<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.topfastpcb.com\/sv\/contact\/\">Se v\u00e5ra PCB-kapaciteter<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"FR-4_PCB_Application_Areas\"><\/span>Anv\u00e4ndningsomr\u00e5den f\u00f6r FR-4 PCB<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">Anv\u00e4nds ofta i:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Konsumentelektronik: Smartphones, surfplattor, wearables<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Industriell styrning:PLC, omriktare, industridatorer<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Elektronik f\u00f6r fordon:Infotainment, ADAS, BMS<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Kommunikation:Routrar, switchar, basstationer<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Medicintekniska produkter:Monitorer, diagnostisk utrustning<\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Why_Global_Clients_Choose_Topfast\"><\/span>Varf\u00f6r v\u00e4ljer globala kunder Topfast?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">20.000\u33a1 modern produktionsanl\u00e4ggning<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">1.000+ professionella tekniska team<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Servade v\u00e4lk\u00e4nda f\u00f6retag som Huawei, DJI, Mitsubishi<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Avancerad utrustning, inklusive laserborrmaskiner, VCP-linjer<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Kompletta l\u00f6sningar fr\u00e5n design till montering<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.topfastpcb.com\/sv\/contact\/\">Konsultera dina PCB-behov nu<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comparison_of_Common_FR-4_PCB_Types\"><\/span>J\u00e4mf\u00f6relse av vanliga 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>Typ<\/th>\n<th>Egenskaper<\/th>\n<th>Till\u00e4mpningar<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Standard FR-4 och de senaste noteringarna!<\/td>\n<td>Tg 130-140 \u2103, kostnadseffektiv<\/td>\n<td>Konsumentelektronik<\/td>\n<\/tr>\n<tr>\n<td>H\u00f6g Tg FR-4<\/td>\n<td>Tg\u2265170\u2103, v\u00e4rmebest\u00e4ndig<\/td>\n<td>Fordon, industri<\/td>\n<\/tr>\n<tr>\n<td>H\u00f6g CTI FR-4<\/td>\n<td>CTI\u2265600V, h\u00f6g isolering<\/td>\n<td>H\u00f6gsp\u00e4nning, medicinsk<\/td>\n<\/tr>\n<tr>\n<td>Icke-koppar FR-4<\/td>\n<td>Rent isolerande substrat<\/td>\n<td>Strukturellt st\u00f6d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"Professional_FR-4_PCB_Manufacturing_Guidelines\"><\/span>Riktlinjer f\u00f6r professionell tillverkning av FR-4-kretskort<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Guide f\u00f6r val av tjocklek<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">B\u00e4rbara produkter: 0,1-0,4 mm ultratunna<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Konsumentelektronik: 1,0-1,6 mm standard<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Industriell: 2,0-3,2 mm tjock<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">H\u00f6g effekt: 3,0-6,0 mm extra tjock<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>H\u00f6gfrekvent optimering<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">V\u00e4lj l\u00e5g Dk\/Df FR-4-varianter<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Processer f\u00f6r kontroll av s\u00e4rskild impedans<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Rekommenderade material som Isola 370HR<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Termisk hantering<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">H\u00f6g v\u00e4rmeledningsf\u00f6rm\u00e5ga FR-4 (Tg180+)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Optimerad design f\u00f6r termisk via<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Hybridstrukturer av metall och k\u00e4rna<\/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\/sv\/contact\/\">F\u00e5 rekommendationer om design<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Topfast_Manufacturing_Capabilities_Overview\"><\/span>\u00d6versikt \u00f6ver Topfasts tillverkningskapacitet<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Max lager<\/strong>: 60<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Min. rad\/utrymme<\/strong>: 2\/2mil (utsida), 3\/3mil (insida)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Vikt koppar<\/strong>: 1\/3 oz-10 oz<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Ytbehandlingar<\/strong>: HASL, ENIG, OSP, neds\u00e4nkning guld\/tin etc.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>F\u00e4rg p\u00e5 l\u00f6dmask<\/strong>: Gr\u00f6n, svart, bl\u00e5, r\u00f6d, vit etc.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Tjocklek p\u00e5 skivan<\/strong>: 0,4-8 mm<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Max. storlek p\u00e5 kortet<\/strong>: 22.5&#8243;\u00d730&#8243;<\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Success_Stories\"><\/span>Framg\u00e5ngsrika ber\u00e4ttelser<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><strong>Fall 1: Kretskort f\u00f6r ADAS-system f\u00f6r bilar<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">12-skikts FR-4 med h\u00f6g Tg<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u00b15% impedansreglering<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">ENIG ytfinish<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">AEC-Q100-certifierad<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong>Fall 2: 5G-basstation med h\u00f6gfrekvent kretskort<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">FR-4-material med l\u00e5g f\u00f6rlust<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Hybrid lamineringsstruktur<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Exakt impedansreglering<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">F\u00f6rdjupad guldfinish<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong>Fall 3: PCB f\u00f6r medicinsk monitor<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">6-lagers FR-4 med h\u00f6g CTI-halt<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Konform bel\u00e4ggning<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">100% flygande sondtest<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Uppfyller kraven f\u00f6r medicinsk s\u00e4kerhet<\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Contact_Us\"><\/span>Kontakta oss<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">Oavsett om du beh\u00f6ver prototyper eller massproduktion, erbjuder Topfast tillf\u00f6rlitliga FR-4 PCB-l\u00f6sningar. V\u00e5rt ingenj\u00f6rsteam \u00e4r redo att hj\u00e4lpa till:<\/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-post:<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\">Chatt online: Support dygnet runt p\u00e5 webbplatsen<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">FabrikenNo.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\u00e5litliga PCB-partner!<\/strong><span>\u00a0<\/span>17 \u00e5rs expertis, 20 000\u33a1 anl\u00e4ggningar, 1 000+ tekniska team, som tillhandah\u00e5ller one-stop PCB-l\u00f6sningar fr\u00e5n design till produktion f\u00f6r din elektronik.<\/p>","protected":false},"excerpt":{"rendered":"<p>Topfast \u00e4r specialiserat p\u00e5 att tillhandah\u00e5lla ett komplett utbud av FR-4 PCB-tj\u00e4nster, inklusive standard FR-4, h\u00f6g TG, h\u00f6g CTI och andra typer, som st\u00f6der h\u00f6gprecisionstillverkning av upp till 60 lager. Vi har en 20 000 m\u00b2 stor modern fabrik som \u00e4r UL-, ROHS- och ISO9001-certifierad. Kontakta oss nu f\u00f6r professionella PCB-l\u00f6sningar!<\/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\/sv\/products\/fr-4-pcb\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FR-4 PCB - 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