... .002% max.Water insoluble matter0.05% max.Usages: Mainly used for making dryer of ink and paint, Catalyzer of synthesizing fatty ... metallic manganese, dyeing manganese oxide; and for printing/dyeing papermaking, porcelain/ceramic paint, medicine,fertilizer for vines and tobacco plant; cattle feed ... lined plastic woven bag of 25kg net each. manganese sulphate (for feed additive,fertilizer,industry use)