









| Appearance | White color powder |
| AL2O3 % | ≥30 |
| Basicity % | 70-85 |
| PH value (1% aqueous solution) | 3.5-5.0 |
| Pb % | ≤0.003 |
| Hg % | ≤0.00002 |
| Cr 6+ % | ≤0.0005 |
| Cd % | ≤0.0005 |
| As, % | ≤0.0005 |
| Mn, % | ≤0.005 |
| SO42- % | ≤3.0 |
| Ammoniacal nitrogen % | ≤0.01 |
| Max. water insoluble substance % | ≤0.1 |