... Board, CCL FR4, FR1,XPC, CEM-1 etc Copper Clad Laminate Sheet FR4Copper Clad Laminated Sheet (CCL) Characteristic and Application: 1. ... with flame retardant phenolic-epoxy resin and clad with electrolytic copper foil. 3. XPC Copper clad laminated sheet/CCL consist of bleached ... devices, electronic toys and etc. 4. CEM-1 copper clad laminate consist of bleached wood pulp paper, impregnated with ...