... Clad Laminate Sheet FR4 Copper Clad Laminate,Pcb Base Board,Laminated Board,Printed Board, CCL FR4, FR1,XPC, CEM-1 etc Copper Clad Laminate Sheet ... FR4Copper Clad Laminated Sheet (CCL) Characteristic and Application: 1. FR-4 Copper ... )≤ 0.03≤ 0.03≤ 0.03Similar Product Range: Copper Clad Laminate Sheet FR4