... ),TEFLON,POLYIMIDE,ROGERS(RO4003,RO4350,RO4450),Aluminum plate (Single,Double-sided)FR4 Thickness1.6mmHigh TG FR4 (170 deg C) ... 1.6mmBoard CuttingMax. number of layers32Min. thickness for inner layers (Cu thickness are excluded)0.07mmDrillingMin. size0.1mmMax. size6 ... ,matte green,white,extreme white,black,matte black,dark brown,yellow,red,blue,transparentMin. solder mask clearance0.003”Thickness0 ...