Polymer Modified Bitumen (PMB)
Polymer Modified Bitumen produced in grades PG76S-10, PG76H-10, PG76V-10 and PG76E-10, engineered for higher deformation resistance, improved aging resistance and extended pavement life.
Specification
| Item | Property | Test Method | PG76S-10 | PG76H-10 | PG76V-10 | PG76E-10 |
|---|---|---|---|---|---|---|
| 1 | Flash Point, min, °C | ASTM D92 | 230 | 230 | 230 | 230 |
| 2 | Viscosity @ 135 °C, max, Pa.s | ASTM D4402 | 3.00 | 3.00 | 3.00 | 3.00 |
| 3 | Dynamic Shear, G*/sinδ @ 76 °C and 10 rad/s min, kPa | ASTM D7175 | 1.00 | 1.00 | 1.00 | 1.00 |
| 4 | Separation Test: Absolute Difference between G* @ 76 °C and 10 rad/s of Top and Bottom Specimens, Max, % | ASTM D7173 | 20 | 20 | 20 | 20 |
| 5 | Time Stability: Average of G* values in Separation test divided by initial G* value, range | — | 0.8 – 1.2 | 0.8 – 1.2 | 0.8 – 1.2 | 0.8 – 1.2 |
| 6 | Particulate Retained on Sieve Test, % | PWA 100 | 0 | 0 | 0 | 0 |
| 7 | Solubility, min, % | ASTM D5546 | 99 | 99 | 99 | 99 |
| 8 | Polymer Content, min % by mass | Supplier Certificate Required | 2 | 2.0 | 3.0 | 3.0 |
| Rolling Thin Film Oven (RTFO) Residue | ||||||
| 9 | Mass Change, max, % | ASTM D2872 | 1.00 | 1.00 | 1.00 | 1.00 |
| 10 | Dynamic Shear, G*/sinδ @ 76 °C and 10 rad/s min, kPa | ASTM D7175 | 2.20 | 2.20 | 2.20 | 2.20 |
| 11 | MSCR, Jnr 3.2 @ 76 °C, max, kPa⁻¹ | ASTM D7405 | 4.5 | 2.00 | 1.00 | 0.50 |
| 12 | MSCR, Recovery R3.2 @ 76 °C and 3.2 kPa, % | — | Report | Report | Report | Report |
| 13 | MSCR, Jnrdiff @ 76 °C, % | — | Report | Report | Report | Report |
| Pressurized Aging Vessel (PAV) Residue | ||||||
| 14 | PAV Aging Temp., °C | ASTM D6521 | 110 | 110 | 110 | 110 |
| 15 | Dynamic Shear, G*×sinδ @ 37 °C and 10 rad/s max, kPa | ASTM D7175 | 5000 | 6000 | 6000 | 6000 |
| 16 | Bending Beam, S @ 0°C and 60s, max, Mpa | ASTM D6648 | 300 | 300 | 300 | 300 |
| 17 | Bending Beam, m-value @ 0°C and 60s, min | ASTM D6648 | 0.300 | 0.300 | 0.300 | 0.300 |
| 18 | Direct Tension, Failure strain @ 0°C, 1 mm/min, min% | ASTM D6723 | 1.00 | 1.00 | 1.00 | 1.00 |
