Zinc Sulphate Heptahydrate

(1). Molecular Formula: ZnSO₄ 7H₂O       M.W.: 287.54
(2). Basic Characteristic
White or light - yellow crystals,astringent,easily to be efflorescent in dry air. Dissolvable in water,little dissolvable in alcohol and glycerin.
(3). Specifications.
Purity (ZnSO₄ 7H₂O): 98.00%min
Zinc (Zn): 22.40%min      Cl: 0.04%max  
Pb: 0.0016%max            Fe: 0.001%max
Mn: 0.001%max              Cd: 0.006-0.0007%max  
Cu: 0.0005%mx             Water insoluble: 0.02%max. 
As: 0.0005%max            PH Value (50g/l): 3.0
(4). Uses:
It is mainly used as raw material for production of lithophone and zinc salts. It is  also used in synthetic fiber industry, Zinc plating, pesticides, of flotation. Fungicide, water purification. It is mainly used in feed additive and trace element fertilize, etc.
(5). Packing:
Net Weight 25kgs or 50kgs, P.P. Woven bag with innerbag; Or 1000kgs big bags.
(6). Storage: Dry and hermetic