Water treatment
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Polyaluminum Chloride
| Item | Drinking water grade | Industrial grade | ||
| Al2O3, % ≥ | 10.0 | 28.0-30.0 | 10.0 | 27.0-30.0 |
| Basicity, % | 40～85 | 40～90 | 40～90 | 40～90 |
| Density(20℃), g/cm3, ≥ | 1.15 | - | 1.15 | - |
| Water insoluble, % ≤ | 0.5 | 1. 0 | 0.5 | 1. 5 |
| pH(1% water solution) | 3.5～5.0 | 3.5～5.0 | 3.5～5.0 | 3.5～5.0 |
| SO42-, % ≤ | 3.5 | 9.8 | - | - |
| N, % ≤ | 0.01 | - | ||
| As , % ≤ | 0.0002 | |||
| Pb, % ≤ | 0.001 | |||
| Cd, % ≤ | 0.0002 | |||
| Hg, % ≤ | 0.00001 | |||
| Cr+6, % ≤ | 0.0005 | |||