... pcb board, 10 layer fr-4 pcb, fiberglass pcb 2.thickness:0.4-2.0mm 3.copper:Hoz-4oz 4.OSP ... ,HASL, immersion gold .1.multilayer pcb board, 10 layer fr-4 pcb, fiberglass ... pcb2.thickness:0.4-2.0mm3.copper:Hoz- ... .OSP,HASL, immersion gold Capacity of FR-4 PCBNo.ItemIndex1Max layer122Max size 1500x1200mm3Min thickness 2 layers ...