Copper foil for battery anode (170m 220mm 9 micron) 5 kgs CUF220-9MI-5KG Qty: Please Register and login to see price Copper foil used for preparing battery anode. Dimension 170 m length, 220mm width and 9 micron thick Net weight 5 kgs Density: 8.94 g·cm−3 Core weight - 1 kg