Its content is above 99.2%, mainly used in printing and dyeing, glass manufacturing, various fillers, synthetic detergents, vinylon and so on.
NO. | Test Item | Standard | Result |
1 | Sodium Sulphate | ≥99.0 | 99.7 |
2 | Insolution in Water | ≤0、05 | 0.038 |
3 | Ca and Mg Content （Based on Mg） | ≤0.15 | 0.0001 |
4 | Fe Content | ≤0.002 | 0.0013 |
5 | Moisture | ≤0.2 | 0.02 |
6 | Whiteness | ≥80 | 87 |
7 | PH Value | 7-9 | 7.6 |
8 | Chloride | ≤0.35 | 0.06 |
Sodium sulphide and sodium silicate are used in chemical applications.
In glass manufacturing instead of soda ash as a cosolvent;
Used as a filling raw material for washing industrial synthetic detergent;
The textile industry is used to prepare vinylon spinning coagulant;
A cooking agent used in the paper industry to make kraft pulp;
Used in nonferrous metal metallurgy, leather and other aspects.
