Property:Potassium Sulphate is colorless or white hexagonal or rhombic crystal orgranular powder. The relative density is 2.662. The inversion point is at 588°C , the melting point is at 1069°C and the boiling point is at 1689°C .It is soluble in water(12g/100ml water at 25°C ;24.1g/100ml water at 100°C) and insoluble in alcohol, acetoneand carbon bisulfide. It tastes bitter and salty.CAS RN:7778-80-5Specification: Fine GradeInspectionitemUNITSTANDARDPurity% Min99.0Chloride(asCl -)% Max0.01Iron% Max0.005Magnesium% Max0.01Calcium% Max0.03Insolublematter in water% Max0.8PH value-7?à1Size(<120mesh)% Max5Appearance-white crystal without any impurity visible to the naked eye.Specification: Industrial GradeInspectionitemunitSTANDARDPurity% Min98.5Chloride (asCl)% Max0.05Iron% Max0.02Heavy Metal(as Pb)% Max0.002Packing:Plastic woven bag inner with plastic bag in 40kg net.Handling and Storage:Store in ventilated and dry house with the packagesealed away from moisture. Prevent the material from rain in case to bedissolved and lost during transportationApplications :Potassium Sulphate is mainly used as smoke suppressor for bomb inmilitary industry. It is a chemical fertilizer applied in agriculture and aconstituent of potassium salt. It is also used as a intermediate in dyeing, aclarifying agent in glass industry, a release inhibitor in medicine, anaccessory ingredient in aromatics industry and all-purpose additives in foodindustry. It is also used in biochemical inspection of serum protein.