Product zinc sulphate heptahydrate   
certificate: ISO9001-2000   
Place of origin: Guangdong,China   
Brand name: Pangshi   
CAS NO: 7446-20-0   
Appearance Colorless orthorhombic crystals, granules or powder, odorless, taste astringent   
Package: 
Standard Packaging: Net 25kg plastic woven bags with inner liner.
Optional Packaging: Net 1000kg bags or as requested

Supply Ability 5000ton per month   
Model number 90%-98%   
Price FOBTianjin815-995   
Payment Terms:L/C,T/T 
 
Uses : As zinc additive in feed-processing,activator in latex paper:trace
nutrient in animal feeds; fertilizer ingredient;zinc salts; one flotation;
fungicide;water purification
 
Specifications: Fertilizer grade ,  Feed grade
 
Item Top-grade Firstgrade Qualified Product   
ZnSO4·7H2O% Min 99.0 97.0 92.0   
Zn % Min 22.51 22.06 20.92   
Insolublematter%Max 0.02 0.05 0.10   
Cl % Max 0.20 0.60 ------   
Fe% Max 0.005 0.020 0.060   
Pb%Max 0.002 0.010 0.010   
Mn%Max 0.01 0.10 -------   
Cd%Max 0.002 0.010 -------   
Cu%Max 0.002 ------- --------