Aluminum foil for battery cathode (350m 280mm 15 micron) 5.5 kgs ALF280-15MI-5P5KG Qty: Please Register and login to see price Aluminum foil used for preparing battery cathode. Dimension 350 m length, 280mm width and 15 micron thick Net weight 5.5 kgs Density: 3.741 g·cm−3 Core weight - 1 kg