Research Article
Performance Characteristics of Silane Silica Modified Asphalt
Table 1
Physical properties of silane silica.
| Project | Index |
| Model | Silane silica |
| Appearance | White powder |
| Whiteness/% | ≥93 |
| Silica content (dry goods)/% | ≥98 |
| PH value | ≥7 |
| BET (specific surface area)/m2/g | ≥220 |
| DBP mL/100 g (oil absorption capacity) | ≥270 |
| Particle size/nm | ⩽100 |
| Cauterant (dry goods) (1000°C, 2 h)/% | ≤7.0 |
| Heating reduction (105°C, 2 h)/% | ≤6.0 |
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