... products, under RoHS, UL, SGS etc. certififcated Copper Clad Laminates sheet.Include CEM1, FR1, FR2, CEM3, FR4 ... 1.2mm,1.6mm,2.0mm .Thickness of copper:18um, 35um, other thickness is according to ... , pin hole, deep nick, pitting and glue spot on the copper foil covered face is not allowed. ... PCB of computers, home electric appliances and other lines . copper clad laminates sheet,FR1,FR2,FR4,CEM1,CEM3