| Aluminium (Al) | 12.2 – 12.7% | 
| Aluminium Oxide (Al2O3) | 23.0 – 24.0% | 
| Specific gravity (at 25°C) | 1.33 – 1.35 | 
| pH Conc. of 30% product. (Equivalent to a 15% solution)  | 
                 4.0 – 4.4 | 
| Appearance | Clear liquid | 
| Odor | None | 
| Chloride (Cl) | 7.9 - 8.4% | 
| Al:Cl Atomic Ratio | 1.91:1 – 2.10:1 |