| Physico-chemical and particle size parameters | |
| Parameters | Values |
| Absolute density in kg/m3 | 4054 |
| Apparent density in kg/m3 | 2500 |
| Porosity in % | 38.33 |
| External specific surface in g/m2 | 13.4 |
| Average diameter D50 in mm | 0.125 |
| Uniformity coefficient, Cu | 1.300 |
| pzcpH _ | 6 |