copper clad laminated sheet 1.Include CEM1, HB, FR1, FR2, CEM3, FR4 . 2.Size: 1020mm*1220mm . Copper Clad Laminates sheet.Include CEM1, HB, FR1, FR2 ... , CEM3, FR4 .Thickness:0.6mm,0.8mm,1.0mm,1.2mm,1.6mm,2.0mm ... .Thickness of copper:18um, 35um, other thickness is ...