This Royal Bitumen product is made from vacuum bottom using hot air and is completely pure petroleum. Its softening point is 55~63°C, and its penetration is 30~40 desi-millimeter.
Because it is thermoplastic (like synthetic resin), it becomes soft when it is hot and turns hard when it cools.
No | Specification | Result | Test Method |
|---|---|---|---|
| 1 | Specific Gravity @25/25C | 1.01-1.06 | D-70 |
| 2 | Penetration @25C | 30-40 | D-5 |
| 3 | Softening Point C | 55-63 | D-36 |
| 4 | Ductility @25C | 100 Min | D-113 |
| 5 | Loss On Heating (Wt)% | 0.2 Max | D-6 |
| 6 | Drop In Penetration After Heating % | 20 Max | D-6 & D-5 |
| 7 | Flash Point C | 250 Min | D-92 |
| 8 | Solubility in CS2 (Wt)% O.M. Insoluble in CS2 (WT) % | 99.5 Min 0.5 Max | D-4 |
| 9 | Spot Test | negative | *A.A.S.H.O.T.102 |