Copper sulphate is also called chalcanthite with the molecular formula of CuSO4.5H2O. Varieties: Feed grade, Industrial grade, Agricultural grade. Our company produces according to the national standards, the industrial-grade standard is in conformity with GB437-93 , and the feed-grade standard is in conformity with HG2932-1999 Permit Licence No. Feed Additive(2006)0700 Characteristic: Pellet copper sulphate: Bright blue color, even pellet, fine mobility, dry and not agglomeration, for long-term storage. Powder copper sulphate: Even mixing, fine mobility, easy to assimilate. It doesn't ooze or agglomerate in moist or high-temperature environment, so it is suitable for a long-term storage and transportation by sea. Quality index :Item (%)For FeedFor Industry For AgricultureFor FeedCuSO4.5H2O≥98969498.5Cu≥25.0024.5024.0025.07Pb≤20ppm20ppm20ppm20ppmAs≤20ppm20ppm20ppm20ppmFree Acid ≤0.30.30.30.3Insoluble matter≤0.150.20.20.15Remarks:90% Upwards of powder for feed canpass80-mesh experimentation screen. Pellet sizeof other type and packing canbe produced asusers' requirments.