... 0,0/0,1/1,1/H. Copper Clad Laminated SheetIFR4 Copper Clad LaminateThickness:0.6mm,0.8mm,1.0mm ... ,1.2mm,1.6mm,2.0mm .Thickness of copper:18um, 35um, other thickness is according to order. Face ... hole, deep nick, pitting and glue spot on the copper foil covered face is not allowed. Any color changing ... or blistering or delamination13WarpageBowmmMax: 18TwistMax: 20 FR4 Copper Clad Laminate Sheet