Description
Cutback Bitumen MC-70
MC-70 is a medium curing cutback bitumen that contains 64% bitumen, is black in color.
Typical Properties
| Properties | Min | Max | Test Method |
| Kinematic viscosity at 60°C [140°F], mm2/s | 70 | 140 | ASTM D2170 |
| Flash point (Tag open-cup), °C [°F] | 38[100] | – | ASTM D3143 |
| Distillate test:
Distillate, volume percent of total distillate to 360°C [680°F]: |
|||
| to 225°C [437°F] | – | 25 | ASTM D402 |
| to 260°C [500°F] | 10 | 70 | ASTM D402 |
| to 316°C [600°F] | 65 | 93 | ASTM D402 |
| Residue from distillation to 360°C [680°F], percent volume by difference | 55 | – | ASTM D402 |
| Tests on residue from distillation: | |||
| Penetration at 25°C, | 120 | 300 | ASTM D5 |
| Ductility at 25°C [77°F], cm | 100 | – | ASTM D113 |
| Solubility in trichloroethylene, % | 99.0 | – | ASTM D2042 |
| Water, % | – | 0.2 | ASTM D95 |
