Research Article
Research on Rheological Properties by Desulfurized Rubber Powder/SBS Composite-Modified Asphalt and Road Performance of Its Mixture
Table 3
The technical indicators of desulfurized rubber powder.
| Items | Value | Requirements |
| Heating loss (80°C) (%) | 0.4 | ≤1.5 | Ash (%) | 7.2 | ≤8 | Acetone extract (%) | 16.4 | ≤20 | Mooney viscosity ML 100°C (1 + 4) | 35 | ≤45 | Carbon black content (%) | 28.3 | ≥18 | Rubber hydrocarbon content (%) | 48 | ≥40 | Iron content (%) | 0.028 | ≤0.03 | Particle size (mm) | 5 | ≤10 |
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