... 18,35,70,105 micron copper foil for EMI RFI Lithium batterySINFOIL is a ... 18,35,70,105 micron electrolytic copper foil for PCB, CCL, EMI, Lithium Battery, ... for PCB, CCL, EMI, Lithium Battery, and polymer Lithium Battery etc. And we are characterized in STD and THE copper foil. The content ... of cu is above 99.5%. We can also process with customer’s samples. copper foil for ...