... 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 ... excluded)0.07mmDrillingMin. size0.1mmMax. size6.0mm Drill Deviation±0.002” (0.050mm)PTH hole tolerance±0.003” (0.075mm) ...