SPECIFICATION OF PENETRATION GRADE BITUMEN – 60/70
| Properties | Test Standard | Specification | |
|---|---|---|---|
| Min | Max | ||
| Penetration @25°C, 0.1 mm | ASTM D5 | 60 | 70 |
| Softening point °C | STM D36 | 46 | 56 |
| Viscosity @ 135°C, Cst | ASTM D2170 | 240 | |
| Ductility @ 25°C | ASTM D113 | 100 | |
| Loss on heating wt% | ASTM D1754 | 0.8 | |
| Flash Point °C(COC) | ASTM D92 | 250 | |
| Solubility in Trichloroethylene % | ASTM D2042 | 99 | |
| Specific Gravity @ 25/25°C | ASTM D70 | 1.01 | 1.06 |
| Drop in penetration after heating% | ASTM D6 & 5 | 20 | |