Zinc Sulphate heptahydrate
It is used for Lithopone making, Dye Mordant, Astringent, Wood Preservatives, etc.

zinc sulfate monohydrate

Application: 

Used as the raw materials for Zinc Barium or other Zinc Salts, and also key auxiliary material for Viscose and other Firbe;On Agriculture used as microelement fertilizer; and also applied for Galvanizing, Floating dressing, Circle Water Cooling Treatment and Etc.

Specification:

Industrail Grade

Purity-----------------------------97.0% min

Zn---------------------------------35.0% min

Water Insoluble----------------0.2% max

PH---------------------------------4-5

Fe:--------------------------------0.06% max

Pb:--------------------------------0.01% max

Feed Grade

Purity-----------------------------97.0% min

Zn---------------------------------35.0% min

As---------------------------------15 ppm max

Cd:--------------------------------20 ppm max

Pb:--------------------------------15 ppm max

Packing: 25KG / pp Bag, 25MT / 20'FCL