Research Article
Evaluating the Surface Free Energy and Moisture Sensitivity of Warm Mix Asphalt Binders Using Dynamic Contact Angle
Table 1
Properties of PG-64 and PG-76 binders.
| Property | Penetration at 25°C, 100 g, 5 sec (0.1 mm) | Softening point (°C) | Ductility at 25°C (cm) | Flash and fire point (°C) | Solubility (%) | Specific gravity |
| PG-64 | 86 | 45 | <160 | 331 and 340 | 99.52 | 1.03 | PG-76 | 50 | 69 | 90 | 344 (flash point) | 99.50 | 1.02 |
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