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/bag, 25kg/bag, 1000kg/bag
Quality Standard: GB/T6009-2003
Item | Class I | Class II | Class III | ANALYSIS RESULTS(%) | |||
premium grades | first quality | first quality | Quality part | first quality | Quality part | ||
sodium sulphate %(Na2SO4)≥ | 99.3 | 99.0 | 98.0 | 97.0 | 95.0 | 92.0 | 98.7% |
water insolubles %≤ | 0.05 | 0.05 | 0.10 | 0.2 | - | - | 0.05% |
Mg %≤ | 0.10 | 0.15 | 0.30 | 0.40 | 0.60 | - | 0.03% |
chlorides %(Cl)≤ | 0.12 | 0.35 | 0.70 | 0.90 | 2.0 | - | 0.5 |
iron %(Fe)≤ | 0.002 | 0.02 | 0.01 | 0.04 | - | - | 0.001% |
moisture %≤ | 0.1 | 0.2 | 0.01 | 1.0 | 1.5 | - | 0.03% |
whiteness %≥ | 85 | 82 | 82 | 82 | - | - | 88 |
appearance | White，no visible particulate impurities，no caking. | ||||||
