cutback bitumens Penetration test
Penetration test of cutback bitumens
| property | test method | grade of bitumen | |
| BS 2000 | 50 second | 100 second | |
| Viscosity (SW) at 40°C, 10mm cup, seconds | Part 72 | 50 ± 10 | 100 ± 30 |
| Distillate to 225°C, % by volume max | Part 27 | 1 | 1 |
| to 360°C, % by volume max | 11 ± 3 | 9 ± 3 | |
| Penetration at 25°C of residue,dmm | Part 49 | 100 to 350 | 100 to 350 |
| Solubility in trichloroethylene, by mass % min | Part 47 | 99.5 | 99.5 |
