... service, for rigid or flexible, RoHScompliant, High Tg boards. All project comes with satisfaction guarantee andon- ... 43.3" * 24"Min Board Thickness4 layer 0.40mm 16mil 6 layer 1.00mm 40mil 8 layer ... Copper weight0.5oz, 1.0 oz, 1.5oz, 2.0oz,3.0 oz,4.0 ozSurface finishHASL,Nickle, Imm ... Gold,Imm Tin,Imm Silver, OSP etc.Board materialFR-4 glass epoxy, FR4 High Tg ...