Specifications of Bitumen 40/50:
| PROPERTY | UNIT | 40/50 | TEST METHODS |
| Specific Gravity @ 25°C | - | 1.01 – 1.06 | ASTM D-70 |
| Penetration @ 25°C, 100gm, 5 Sec | 0.1MM | 40 – 50 | ASTM D-5 |
| Softening Point, Ring & Ball | °C | 52 – 60 | ASTM D-36 |
| Ductility @ 25°C, Min | CM | 100 | ASTM D-113 |
| Loss on Heating, Max | %Wt | 0.2 | ASTM D-6 |
| Drop in Penetration after Heating, Max | % | 20 | ASTM D-6 & D-5 |
| Flash Point Cleveland open cup, Min | °C | 250 | ASTM D-92 |
| Solubility in CS2, Min | %Wt | 99.5 | ASTM D-4 |
| Organic Matter Insoluble in CS2, Max | %Wt | 0.5 | ASTM D-4 |
| Spot Test | - | Negative | *A.A.S.H.O.T.102 |
