... thermal conductivity 2.Excellent breakdown voltage 3.ROHS compliance (For PCB) copper clad laminate Aluminum CCLWe are a Chinese company that ... is about five-ten times higher than the FR-4,PCB produced by the subtract can transfer heat, which is electronic ... Size (mm)500×610mm,550×601mm,550×1220mm,550×1220mm,1000×1220mm,1100×1220mmCircuit Layer(copper foil )18μm,35μm ...