Usage:Mainly used as the additive of animal feed; one of the imortant microelements of fertilizer;as the dried agent in printing ink and paints,catalyst of synthetic fatty acid,and in printing and dyeing and pigment,paper making,porcelain paint, pharmaceutical industry, etc Specification of feed grade Manganese sulfate ITEMSINDEXManganese sulfate(MnSO4.H2O)98% minMn31.8% minArsenium(As)5ppm maxLead(Pb)10ppm maxChloride (Cl)50ppm maxWater insoluble0.05% maxFineness(pass 250μm)95 min Specification of industrial grade Manganese sulfate ITEMSINDEXManganese sulphate (MnSO4.H2O)98% minMn31.8 % minFerrous(Fe)0.004% maxChloride (Cl)0.005% maxWater insoluble0.05% maxFineness(pass 250μm)95 min