Anhydrous Sodium Sulphate

Chemical Name: Anhydrous sodium sulphate (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/piece, 25kg/piece, in FIBC
Inspection report:

Item	GB6009-2003 Class I first quality	Actual measurement value of regular products	Actual measurement value of of neutral products	Actual measurement value of low-chlorine products
sodium sulphate %(Na2SO4)	≥ 99.0	99.20	99.30	99.65
water insolubles %	≤ 0.05	0.02	0.03	0.01
Mg %	≤ 0.15	0.02	0.02	0.02
chlorides %(Cl)	≤ 0.35	0.19	0.20	0.04
iron %(Fe)	≤ 0.002	0.001	0.001	0.001
moisture %	≤ 0.20	0.02	0.02	0.02
whiteness %	≥ 80	88	85	83
PH-value	not required	not required	(1% solution)7.5	(5% solution)7.2

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