| Temperature (˚C) | Grade of bitumen | ||
| 50/70 Stiffness Modulus (Pa) | 10/65 Stiffness Modulus (Pa) | 35/50 Stiffness Modulus (Pa) | |
| 20 | 7.5 × 105 | 2 × 106 | 1.3 × 106 |
| 30 | 4.5 × 105 | 7 × 105 | 5 × 105 |
| 40 | 1.5 × 105 | 5 × 105 | 2.5 × 105 |
| 50 | 7.5 × 104 | 2 × 105 | 9.8 × 104 |
| 60 | 5 × 104 | 1 × 105 | 9.3 × 104 |
| 70 | 1.5 × 104 | 9 × 104 | 3.5 × 104 |