Breif Introduction Product Name:Zinc Sulphate Heptahydrate CAS No:7746-20-0 Formula:ZnSO4.7H2O Assay: 99% Zn: 22.51% Insoluble matter: 0.02% Application Agriculture Fertilisers and agricultural sprays utilise zinc sulphate to supplement zinc in plants. The zinc sulphate also prevents moss growth on roots.In addition, zinc sulphate acts as a supplement in animal feeds. Industrial Rayon production utilises zinc sulphate heptahydrate.The printing industry uses it to produce lithopone. It also acts as an electrolyte in the electroplating industry.Zinc Sulphate Heptahydrate is used as preserving material of wood and leather.Distillers and brewers use zinc sulphate to increase the alcohol yield of the yeast in the brewing process. Zinc Sulphate is also used as bleaching agent for paper making.