Table 1.
Basic performance parameters of 70 # asphalt.
| Technical Indicators | Unit | Technical Requirement | Test Result | |
|---|---|---|---|---|
| Penetration (25 °C, 100 g, 5 s) | 0.01 mm | 60~80 | 67.5 | |
| Ductility (10 °C, 5 cm/min) | cm | ≮15 | 31.8 | |
| Softening point | °C | ≮46 | 52.5 | |
| Viscosity (135 °C) | — | - | 484.5 | |
| Flash(ing) point | °C | ≮260 | 310 | |
| Wax content (distillation method) | % | ≯2.2 | 1.21 | |
| Density (15°C) | g/cm3 | Measured record | 1.035 | |
| Solubility (trichloroethylene) | % | ≮99.5 | 99.88 | |
| Thin film heating test 163 °C, 5 h |
Mass loss | % | ≯±0.8 | −0.11 |
| Penetration ratio at 25 °C | % | ≮61 | 65.64 | |
| Ductility (10 °C) | cm | ≮15 | 22.7 | |