... pcb,1.6mm,1oz ,ENIG 2.High quality 2 layer pcb supplier 3,pcb+pcb assembly+Parts 4.10 ... .3N/cm12.3N/cmTwist≤0.5%≤0.5%Insulation resistance≥1011Ω≥1011ΩTest voltage10-300V10-300VFinished board area560×970mm560×970mmMin. Line Width ... , Immersion gold , Gold plating, Rosin, Gold fingerVIEW OF MOKO FACTORY 2 layer pcb (ENIG finish)