KEDING is well-known as one of the professional fr4 double layer pcb manufacturers and suppliers in China, which is equipped with one of the famous PCB brands. We can offer you customized fr4 double layer pcb . Should you want to buy or wholesale our cheap bulk PCB at a discount, please contact us and we also can offer free sample if necessary.Product DetailsFeatures: FR4 double side PCB for LED light Materials; FR-4 (Tg-135C, 145C, 170C), Halogen- freeRogers Ultralam 2000, Rogers RO4350, Rogers RO4003PolyamideTeflonArlon AR-350 /527/870CEM-3Getek Copper Clad Thermal SubstratesHybrid (Rogers and FR4) BT EpoxyNelco 4013PTFEMetal Core MaterialsAluminum CoreBoard thickness: 0.4-3.2mmCopper thickness 0.5-6ozSurface Finish; HASL (vertical & Horizontal), Lead Free HASL, OSP/Entek, ENIG, ENEPIG,HASL + Gold Finger, Immersion Tin(ISn), Immersion Silver(IAg), CarbonInk, Hard Gold(Flash Gold), Soft GoldSolder mask color; Green, Blue, Black, Red, Yellow, White, Clear,Silk screen color :White, Black, Yellow, Green, Red, BlueBlind Vias : YesBuried Vias : YesControlled Impedance Tolerance +/-5%Peelable mask: YesFirst artificial : YesCertification: UL, RoHS, SGS, ISO, IPC approved Primary Competitive Advantages:ServiceSmall Orders AcceptedCountry of OriginGreen ProductGuarantee/WarrantyPackagingPriceProduct FeaturesProduct PerformancePrompt DeliveryQuality ApprovalsMain Export Markets:AsiaAustralasiaCentral/South AmericaEastern EuropeMid East/AfricaNorth AmericaWestern EuropePayment Details:Payment Terms:Telegraphic Transfer (TT,T/T)Minimum Order:1        PiecesDelivery Details:FOB  Range: US$ 0.5 per unit (Pieces)Lead Time:3-5days Any third-party trademarks or images shown here are for reference purposes only. We are not authorized to sell any items bearing such trademarks.