... colorless white Powder 2,relative density: 1.957, Zinc Sulphate Monohydrate Spec as follows:Fertilizer grade(HG/T2326-92)Feed grade( ... 250um sieve)≥95%the picture of Zinc Sulphate The Uses of Zinc Sulphate:1, Zinc Sulphate is mainly used as the raw ... clarifying and protecting agents, medical emetic and fungicide.3, Zinc Sulphate is also applied to electric plating, mineral selection, prevention ...