Research Article
Rheological and Morphological Characterization of Styrene-Isoprene-Styrene (SIS) Modified Asphalt Binder
Table 1
Properties of SIS modifier.
| Properties | Test method | Units | Typical value |
| Styrene | TSRC/DEXO method | wt% | 15 | Diblock content | TSRC/DEXO method | wt% | 18 | Melt flow rate (200°C/5 kg) | ASTM D1238 | g/10 min | 11 | Solution viscosity | ASTM D2196 | cps | 1240 | Ash | ASTM D5630 | wt% | 0.3 | Tensile strength | TSRC/DEXO method | MPa | 25 | 300% modulus | TSRC/DEXO method | MPa | 1.1 | Elongation | TSRC/DEXO method | % | 1250 | Hardness | ASTM D2240 | Shore A | 33 | Bulk density | ASTM D1895 | g/cm3 | 0.55 (4113A) | Specific gravity | ASTM D792 | kg/m3 | 0.92 |
|
|