Properties: white fine crystal or powder, easily soluble in water; absorb moisture; odorless, non-toxic.

 Chemical Name:  Sodium sulphate Anhydrous (Na2SO4) Properties: white fine crystal or powder, easily soluble in water; absorb moisture; odorless, non-toxic. Use: widely used in vinylon, sodium silicate, bleaching, glass, paper making, tanning, metal smelting, surface treatment and filler industries. Grade: Class I first quality Packing: 50kg, 25kg plastic bagQuality Standard: GB/T6009-2003

Guideline Item		Guideline
		I		II
		The best class	The first class	The first class
Sodium Sulphate Anhydrous (Na2SO4) Purity	%≥	99.3	99.0	98.0
Water insolubles	%≤	0.05	0.05	0.10
Ca and Mg(Na) content	%≤	0.10	0.15	0.30
Chloride(CI) Content	%≤	0.12	0.35	0.70
Fe content	%≤	0.002	0.002	0.010
Moisture	%≤	0.10	0.20	0.50
Whiteness	%≥	85	82	---

Sodium Sulphate Anhydrous