... Cu wight1/3oz ~ 6ozLaminate MaterialsFR4(High TG,halogen-free),FR5,ISOLA(FR408,370HR),TEFLON,POLYIMIDE,ROGERS(RO4003,RO4350, ... ”(0.08mm)Solder MaskColorgreen,light green,matte green,white,extreme white,black,matte black,dark brown,yellow,red,blue ... .1mm(0.004”)Semi-holeYSurface FinishHASL,HASL pb free,immersion gold,immersion silver,immersion tin,O.S.P ... to surpass them. High TG PCB With Lead-Free HASL