Copper (ll) Sulphate (Cupric sulphate, Blue vitriol) used as an electrolyte in copper refining and in various copper plating processes. To achieve exceptional wash-fastness results, depending on the concentration of dye, used in manufacturing copper catalysts, Used as a soil additive, pesticide, feed and fertiliser additive. In antifouling paints and colouring of glass. As an etching agent for zinc, aluminium and steel in process engraving. It is available in the form of blue Crystals packed in 25kg, 50kg HDPE Bag. We can offer it in many grades as per the application needs in different industry sectors.