Zinc Sulphate Heptahydrate

Formula: ZnSO4·7H2O CAS No.:7446-20-0 EINECS No.:231-793-3 H.S. Code:28332930 Packing:Packed in 25kg plastic bags/ fiber drums with inner plastic bags. Storage:stored in cool and ventilated place ,keep away from fire, heat and sunshine, sealed package. Stay away from oxide. Application: 1.Zinc sulfate is used as trace element fertilizer to prevent crops from Zn deficiency and increase crop yields. Now more and more farmers apply micronutrient fertilizers such as zinc sulfate. 2, It can be used as feed additive to supply trace element, prevent and cure some diseases because of zinc deficiency and prevent premature death. It also can increase appetite, control blood disorders and bone disease. 3, In industry field, zinc sulfate works as coagulator for man made fibril, and mordant in dyeing and printing industry.   Technical Specification Standard  Appearance Colorless granular powder Alkalinityacidit Neutral Clarity Transparent Zn ≥21.5% As   ≤5ppm   Pb   ≤10ppm   Water Insoluble     ≤0.05