Grade | Average Particle Size (Malvern, um) | Pore volume (ml/g) | Loss on drying ≤ 10% | Loss on cauterant ≤ 10% | pH value (5% water suspension) | Oil absorption (g/100g) | Surface treatment | Sio2(dry) (%) |
DJ-502 | 5.5 – 6.0 | 1.8 | 5 | 6 | 6 - 7 | 260 - 300 | - | ≥99 |
DJ-503 | 6 – 6.5 | 1.8 | 5 | 6 | 6 - 7 | 260 - 300 | - | ≥99 |
DJ-504 | 6.5 – 7 | 1.8 | 5 | 6 | 6 - 8 | 260 - 300 | - | ≥99 |