1.2L home appliance PCB; 2.good quality,reasonable price; 3.quicker delivery; 4 ... 7um,gold:0.5-0.7umOSP/flash gold 0.2-0.5umPealable maskcover all on pad,thickness≥0. ... 20mmCarbon Inkcover all on trace,Value≤30Ω Outline Outline Tolerance±0.2mmBeveling30°,45°V-cut ... pass for the first time,+/-2%(tolerance) Certificate SGS,ISO,ROHS,UL, Welcome to visit WALBOND ! 2L PCB for home appliance