... Used for making Barium zinc powder,the materials for making other Zinc UsesZnSO4.H2O is mainly ... for the production of lithorhone and zinc salts,It is also used in synthetic ... fiber industry,zinc plating,pesticides,flotation,fungicide and water ... fertilizer,etc. ItemUnitZinc Sulphate Heptahydrate(feed grade)Zinc Sulphate Monohydrate(feed grade)Zn%min2235Pb(ppm)max105Cd(ppm ...