Appearance : White to Blue Crystal (Granular) Purity : 98% min Copper Content : 25% min Pb: 10 ppm Max. As: 5 ppm Max. Cd: 10 ppm Max. Insolubles in water : 0.2% max Acidity : 0.4% max Packing : 25 Kg/ Woven bag Quantity : 22Mts in 1 x 20'Fcls Remarks : Copper sulphate pentahydrate is a crystilline product, it is very easy to be caking due to the pentahydrate. To avoid this caking, we dry the product to 3 ~4 hydrate with white to blue color but not full blue as normal pentahydrate. with this work, our product is free flowing and never caking so we do not need to add anticaking