... *139*2.0mm, copper 2oz 3.white soldermask, black legend 4.HASL,3.0W/MK, DC1500V 1.Copper base rigid pcb2.size: ... 130**139*2.0mm, copper 2oz3.white soldermask, black legend4.HASL ... (lead free), Immersion Gold, OSP02LayerSingle-sided, double-sided, multilayer and special structure layer03Max size1200mm*600mm04PCB thickness0.5-3.3mm05Copper foil ...