Pure Copper Foil/Sheet: special in manufacture of Lithium Battery! 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 ... above product is ≥99.90% width:50~1200mm Pure Copper Foil Specialized For Lithium Battery