Copper Sulphate Copper metal consists of clean, untinned, uncoated and unalloyed copper wire. Purity 99.95 %. Sulphuric Acid Grade – Chemically Purified (CP Grade) Chloride : 0.0005 % Iron : 0.0001 % Nitrate : 0.00001 % Density : 1.84 Contact Us Enquire Now