... UL ROHS REACH 3.Environment friendly PCB 4.Timely delivery Blank PCB Boards1,base material:FR-4 epoxy resin2,cooper thickness ... .1mm6,surface finishing:HASL/lead-free HASL7,form:punching,routing,v-cut,bevelingReference - Our Production Capability for Rigid PCB: NO Item ... and High Thickness copper21Thickness of Copper0.5-14oz (18-490um) Blank PCB Boards