... -1, XPC, CEM-1 Copper Clad Laminated Sheet.It is used for PCB producing in electronics. Sheet Size: 1030MM x 1230MM COPPER ... , good dimension stability and smoothness, good punching ability and widely used for Hi-Fi acoustic devices, color TV sets and other ... behavior at low temperature, high thermal resistance and are widely used for computers, telephones, Hi-Fi acoustic devices, electronic toys and ...