Molecular Formula: ZnSO4.H2O / ZnSO4.7H2O     M.W.: 179.45
Basic Characteristics:White fluidity powder, easily to deliquescence, easily to dissolve in water, little dissolvable in alcohol, insoluble in acetone.
Specifications: Zinc sulphate(powder) 
 
For Industry(HG/T2326-92) For Feed (HG/2934-2000)
Purity(ZnSO4.H2O): 98%min Purity(ZnSO4.H2O): 98%min
Zn: 35.7%min  Zn: 35.5%min
PH Value(50g/l): 4.0min  As: 0.0005%max
Cl: 0.20%max Cd: 0.001%max
Pb: 0.001%max  Pb: 0.001%max
Fe: 0.008%max Size: 95% with 250?m shake sieve
Mn: 0.001%max -----
Cd: 0.001%max -----
Cu: 0.001%max -----
As:0.0005%max -----
Water-fast matter: 0.02%max. -----
Uses: It is mainly used as raw material for the production of lithophone and zinc salts. It is also used in  synthetic fiber industry, zinc plating , pesticides, flotation, fungicide and water purification. In agriculture, it is mainly used in feed additive and trace element fertilize, etc.
Packing:Net weight 25Kgs or 50kgs with plastic woven bag ; Or 1000kgs big bags.
Storage: Dry and hermetic.