... 98% 3.7-12days delivery 4.Mainly used in feed/ food additive zinc sulfateZnSO4 is a colorless crystalline, water ... 7H2O is used in making , in coagulation baths for , in for zinc plating, as a in dyeing, as a ... 10ppmPacking: Net 25kg P.P Woven Bags.Note: It should ve protected by covers when transportation , avoid rain, ... contact with acid and alkali and color matter. for animal feed grade zinc sulfate