Character & Purpose: White powder, main use for printing and dyeing， glass etc.
Packing: 25kg/50kg/1000kg/bag
Formula: Na2SO4
Standard: GB/T 6009-92
| Item | Spec. | Typical results |
| SODIUM SULPHATE CONTENT/% | 99.3 Min. | 99.68 |
| WATER INSOLUBLE MATTER/% | 0.01 Max. | 0.008 |
| Ca,Mg CONTENT(AS Mg)/% | 0.15 Max. | 0.07 |
| CHLORIDE CONTENT(AS Cl)/% | 0.24 Max. | 0.15 |
| Fe CONTENT/% | 0.002 Max. | 0.001 |
| PH value | 7±1 | 7.6 |
| MOISTURE/% | 0.1 Max. | 0.04 |
| WHITENESS | 85 Min. | 92 |