... special in manufacture of Lithium Battery! pure Copper foil /pure copper sheetPure Copper foil For lithium batteryThickness:88,10,12, ... ,70,micronetc. width 50~1200mm Copper Foil For Lithium BatteryProduct nameThickness(mm)Weight per unit area (g ... matte side0.012103±5≥20≥2.0single,double matte side0.018139±8≥25≥2.0single matte side0.032275±10 ... :50~1200mm Pure Copper Foil Specialized For Lithium Battery