Sodium Sulfate Anhydrous is used in industrial applications like it's used as a drying agent to remove water from organic solvents. It is used as a laboratory reagent, a fining agent for molten glass, a levelling agent in textiles, a filler in detergents and soaps, and in deicing windows. It is also used to make Kraft paper, starch and glass, explosives and in electroplating. Sodium Sulfate Anhydrous WC Code: 19-045-02 Sales Specification Na2SO4: 99.0% Water insoluble matter: 0.05% Ca & Mg (Mg): 0.15% Chloride (Cl): 0.35% Fe: 0.002% Moisture: 0.20% Whiteness: 82% Ph Value: 6-8 Packing 55.115 lb bag, 40 bags per pallet Sodium Sulfate Anhydrous (SVM) WC Code: 19-045-01 Sales Specification Appearance: White Granular Crystalline Sodium Sulfate (Na2SO4): 99.0 - 99.7 % Sodium Chloride (NaCl): 0.20 -0.50 % Sodium Carbonate (Na2CO3): 0.10 â?? 0.50 % Boric Oxide (B2O3): 0.02- 0.05 % Iron (Fe): 0 -10 ppm Water Insoluble: 0 - 20 ppm Arsenic (As): 1 -3 ppm Melting Point: 884C Specific Gravity@ 25 C: 2.664 Specific Heat@ 25 C: 30.64 cal/deg-mol Heat of Solution@ 18 C: 5.55 Kcal/g-mol or 22.03Btu Heat of Formation@ 25C: 331.5 Kcal/kg or1315.6 Btu Heat of Hydration to decahydrate @ 18 C: 135.3 Kcal/kg or 536.9 Btu SCREEN ANALYSIS, (% Cum. Retained) U.S. STD. TYPICAL SIEVE NO. RANGE + 20 0 - 1 % + 40 2 - 35 % + 60 10 - 65 % + 100 20 - 70 % + 200 50 - 90 % Packing 25 KGS paper bag. 40 bags per pallet