Copper Foil for transformer winding Grade: C1100/C11000/Cu-ETPTemper: SOFT(Totally annealed)Purity: CU 99.9% to 100%Conductivity: 98.20% to 100% IACSThickness: 0.10mm to 3.0mmWidth: 8mm to 1400mmID: 152.4mm, 200mm, 305mm, 405mm, 500mm