... control the quality, delivery time and good price. Copper Clad Laminate for PCB CEM-3 provides the ... conductivity ,Excellent solder heat endurance, Excellent Breakdown Voltage. Copper Clad Laminate for PCB CEM-3 is a kind ... dips into thermoset epoxy resins and is covered with copper foil at one side or both sides . Standard ... 41'X49' , 37'X49',43'X49'Circuit Layer(copper foil )18μm,35μm,70μm,105μm ...