... :98%,99%Min Form:White crystal powder,granular Specifications1)Fertilizer Grade Zinc Sulphate 2)Zn :33.5% Min 3)Form:White ... 25kgs,50kgs/bagZinc Sulphate Heptahydrate And Monohydrate1.Properties:Product Name: Zinc Sulfate 20.92%-35.7%CAS No.: 7446-20- ... and zincsalts. It is also used in synthetic fiber industry, zinc plating , pesticides, flotation, fungicide and water purification. In agriculture, ...