... ! pure Copper foil /pure copper sheetPure Copper foil For lithium batteryThickness:88,10,12,18,32,70,micronetc. width 50~ ... 1200mm Copper Foil For Lithium BatteryProduct nameThickness(mm)Weight per unit area (g/m2)Tensile ... is ≥99.90% width:50~1200mm Pure Copper Foil Specialized For Lithium Battery