... ±0.12mm…32-layer:4.0mm ±0.4mm and aboveMax.6.3mm ±10%Bow and twist< 7/1000CopperOuter Cu weight1oz ~ ... 10ozWeightInner Cu wight1/3oz ~ 6ozLaminate MaterialsFR4(High TG,halogen-free),FR5,ISOLA(FR408,370HR),TEFLON,POLYIMIDE,ROGERS(RO4003 ... RO4350,RO4450),Aluminum plate (Single,Double-sided)FR4 Thickness1.6mmHigh TG FR4 (170 deg C)1.6mmBoard CuttingMax. number of ...