High Purity Magnesium Hydroxide is used as the basic material for high-level magnesium oxide in silicon steel grade, electrical grade, pharmaceutical grade and etc; It is used as chemical reagent grade, pharmaceutical grade and food grade magnesium hydroxide; It is also used as inorganic add type flame retardant, which has the functions of flame retardant, smoke elimination, filling and etc. High Purity Magnesium Hydroxide can also substitute aluminum hydroxide for plastics, rubber, paint, heat insulation, chemical and other industries; It is widely used as a black desulfurizer and in sewage treatment in environment protection activities; It is also used as an additive in industrial oils.