| Properties and test methods | Unit | Typical Value |
| Porosity | ml/g | ≥ 1.8 |
| pH value (5% in water) | 6.0-8.0 | |
| Loss on drying (2 hours at 105 °C) | Wt% | ≤ 5.0 |
| Loss on ignition (2 hours at 1000 °C) | Wt% | ≤ 9.0 |
| Particle size(Malvent) | μm | 6.0-6.5 |
| Oil absorption | g/100g | 210-260 |
| Content of SiO2 (Dry basis) | Wt% | ≥ 99.0 |
| Whiteness | ≥ 93.0 | |
| Surface treatment | Organic |