... Used as filler of detergent, making of sodium sulphide, water glass, or used in papermaking, glass, dye and used as filler, Product Name : Sodium ... NO. : 2833110000Spec: Sodium Sulphate(Na2SO4) 99%MinInsoluble matter in water 0.05% Min.Ca Mg( as Mg) 0.15% Max ... as filler of detergent, making of sodium sulphide, water glass, or used in papermaking, glass, dye and used as filler, dyeing auxiliary, ...