| S/N | Specifications | Industrial Grade | Cosmetic Grade | Spray 4Na | 4na ·2 H2O |
| 1 | Purity% | ≥99.0 | ≥99.5 | ≥99.3 | 107-109 |
| 2 | Chloride,(as Cl)% | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 |
| 3 | Sulfate,(as SO 4 )% | ≤0.05 | ≤0.05 | ≤0.03 | ≤0.05 |
| 4 | (Pb)% | ≤0.001 | ≤0.001 | ≤0.001 | ≤0.001 |
| 5 | (Fe)% | ≤0.001 | ≤0.001 | ≤0.0005 | ≤0.001 |
| 6 | MgCaCO 3 /g | ≥220 | ≥220 | ≥220 | ≥234 |
| 7 | PH | 10.5-11.5 | 10.5-11.5 | 10.5-12.5 | 10.5-11.5 |
| 8 | NTA % | ≤1.0 | ≤0.1 | ≤3.0 | |
| 9 | Stacking Density (g/l) | | | 600-800 | |
| 10 | Appearance | White Crystal Powder | White Crystal Powder | White Powder | White Crystal Powder |