Research Article
Effect of Gamma-Irradiated Recycled Low-Density Polyethylene on the High- and Low-Temperature Properties of Bitumen
Table 1
Physical properties of the base bitumen.
| Properties | Standard | 160/220 |
| Penetration (25°C; 0.1 mm) | ASTM D5 | 195.5 | Softening point (°C) | ASTM D36 | 38.7 | Ductility (25°C; cm) | ASTM D113 | 103 | Penetration index (PI) | — | −0.73 | Specific gravity (25°C; gr/) | ASTM D70 | 1.03 |
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