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Bitumen 40/50
40/50 bitumen is a bitumen that is made by aeration process on a vacuum baton (primary material for bitumen production which is taken from the bottom of the distillation tower in the vacuum of oil refineries)...
Penetration Grade Analysis (40/50)
| Property | Unit | Requirement | Test method |
| Density@ 25 ᵒC | Kg / m3 | 1010-1060 | ASTM D7 or D3289 |
| Penetration @ 25 ᵒC | mm/10 | 40-50 | ASTM D5 |
| Softening point | ᵒC, min. | 52-60 | ASTM D36 |
| Ductility @ 25 ᵒC | cm, min. | 100 | ASTM D113 |
| Loss on heating | wt %, max. | 0.2 | ASTM D6 |
| Drop in penetration after heating | %, max. | 20 | ASTM D5 |
| Flash point | ᵒC, min. | 232 | ASTM D92 |
| Solubility in Trichloroethylene | wt %, min. | 99.0 | ASTM D2042 |
| Viscosity @ 60 ᵒC | P | 4000 ± 800 | ASTM D2171 |
| Viscosity @ 135 ᵒC | cst, min. | 400 | ASTM D2170 |
