zinc sulphate heptahydrate 21%min
USD $400 - $440 /Ton
Min.Order:20 Tons
Bohigh Zinc Product Co., Ltd. (Jiangxi)
Creamy white fluid powder,soluble in water, slightly soluble in alcohols
Zinc Sulphate Mono Spec as folloaws:
(A)Fertilizer grade (HG/T2934-2000) | (B)Feed grade (HG/2934-2000) |
Assay (ZnSO4.H2O)≥93.0% | Assay (ZnSO4.H2O)≥96% |
Zn≥33% | Zn≥21% |
pH-value (50g/l solution)≥4.0 | As≤0.0005% |
Cd)≤0.002% | Pb≤0.001% |
Pb≤0.002% | Cd)≤0.001% |
As≤0.0005% |
pH-value (50g/l solution)≥4.0 |
Fineness 250mesh | Fineness 60-80mesh |