... ,105 micron electrolytic copper foil for PCB, CCL, EMI, Lithium Battery, and Polymer Lithium Battery etc. And we are characterized in STD and HTE ... even thicker electrolytic copper toil for PCB, CCL, EMI, Lithium Battery, and polymer Lithium Battery etc. And we are characterized in STD and THE ... of cu is above 99.5%. We can also process with customer’s samples. copper foil for EMI RFI Lithium battery