1. Molecular Formula: ZnSO4· H2O
2. CAS No.: 7446-19-7
3. HS Code: 28332930
4. Appearance: white granular
5. Grade: Agriculture /Industry/ Feed grade
Specification:
Item |
Index |
|
Appearance |
White Granular |
|
Main Assay |
I |
II |
Mass fraction (based on Zn),% ≥ |
21%min |
34%min |
Mass fraction of Cd,% ≤ |
10ppm max |
10ppm max |
Mass fraction of Pb,% ≤ |
10ppm max |
10ppm max |
Mass fraction of As,% ≤ |
10ppm max |
5ppm max |
Water insoluble matter |
0.05% max |
0.05max |
Particles size |
0.5-1mm/1-2mm/2-4mm |
0.5-1mm/1-2mm/2-4mm |
Packing: (plastic lined, plastic woven bags)
*25kg/bag, 50kg/bag, 1000kg/bag
* according to client request
*20-25tons/20'FCL
Usage: It is mainly used as raw material for the production of lithopone 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 as feed additive and trace element fertilizer etc.