Molecular formula: Na2SO4 Molecular weight: 142.04 Property: white granular crystal or powder , Na2SO4·7H2O) is white rhombic crystal . Uses: used as filler of detergent, the making of sodium sulphide, water glass, or used in papermaking, glass, dye and used as filler, dyeing auxiliary, laxative, antidote, t also can be used in fiber, lether, metallurgy, enamel and soap. Packing: 25kg or 50kgplastic woven bag, lined with plastic bag. Item GB6009-2003 I type First grade Result of common product Result of neutral product Result of low chlorine product Na2SO4 ≥99.0 99.20 99.30 99.65 Water insoluble matter % ≤0.05 0.02 0.03 0.01 Ca & Mg %(Mg) ≤0.15 0.02 0.02 0.02 Chloride %(Cl) ≤0.35 0.19 0.20 0.04 (Fe) ≤0.002 0.001 0.001 0.001 Moisture % ≤0.20 0.02 0.02 0.02 Whiteness % ≥80 88 85 83 PH NA NA (1% solution )7.5 (5% solution )7.2
widely used in glass,water glass,paper pu