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Description:Specifications: 1) Magnesium sulfate anhydrous: feed grade, fertilizer grade, in the form of powder or granules 2) Magnesium sulfate heptahydrate (MgSO4.7H2O): tech. grade, food grade, pharm. grade 3) MgSO4.7H2O is an efflorescent powder. It is soluble in water; less soluble in glycerine; slightly soluble in alcohol. mp 68°C; becomes anhydrous at 250°C; density 1.68 4) Use: in weighting cotton and silk; as Mg fertilizer; in food, feed, etc. Packing: 25kg/bag, 50kg/bag, PP woven bag