sodium sulfate anhydrous 1.High quality with 99% min. purity. 2.High whiteness with 85 min. 3.Good quality,excellent service. Sodium Sulfate Anhydrous is widely used in industries such as synthetic detergents, vinylon, dye and dyeing, glass, pharmaceuticals, leather and rubber.Specifications of SSA ItemValueTypeTypyGrade AGrade Asodium sulfate content, Na2SO4 %>99.198.3water insoluble substance ...