1.5mm-20mm Copper Balls for Electronics 1) Size: 1.5mm-20mm 2) Description: Material having good corrosion resistance and it is inset to most common used fuels it exhibit excellent conductivity. 3) General Applications: Brass resist corrosion From petroleum Products echo heavy Brass boll are use in valves petroleum products loch hole electronic industry. 1.5mm-20mm Copper Balls for Electronics 1.5mm-20mm Copper Balls for Electronics