Research Article
Gradation Design and Performance Evaluation of High Viscosity Asphalt Mixtures
Table 2
Properties of NRA modifiers.
| | Parameters | Unit | Result | Technical requirement provided by indonesian manufacturers |
| | Penetration (25°C 100 g 5 s) | 0.1 mm | 42 | 40–50 | | Ductility (5 cm/min 15°C) | cm | 23 | — | | Softening point (ring & ball test) | °C | 84.5 | >80 | | Elasticity recovery rate (5 cm/min, 25°C) | ％ | 62.7 | >30 | | Kinematic viscosity (60°C) | Pa. s | 22136 | >20000 |
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