... common product Result of neutral productResult of low chlorine productNa2SO4≥99.099.2099.3099.65Water insoluble matter %≤0.050.020.030 ... )7.2Uses: used as filler of detergent, the making of sodium sulphide, water glass, or used in papermaking, glass, dye and ... can be used in fiber, lether, metallurgy, enamel and soap. Sodium sulphate anhydrous