Bitumen 60/70
A grade of 60/70 bitumen means the penetration value is in the range 60 to 70 at standard test conditions which usually used as a Paving Grade. Bitumen 60/70 is applicable for the production of asphalt pavements with superior properties and for construction and maintenance of roads.
| Characteristics | ASTM Method | Results | |
|---|---|---|---|
| Specific Gravity at 25°C | ASTM D-70 | 1.01 to 1.06 | |
| Penetration at 25°C,100gm,5 Sec | ASTM D-5 | 0.1 MM | 60 - 70 |
| Softening Point, Ring & Ball | ASTM D-36 | °C | 49 - 56 |
| Ductility at 25°C, after TFOT, Min | ASTM D-113 | CM | 100 |
| Loss on Heating, Max | ASTM D-6 | %W | 0.2 |
| Drop in Penetration after Heating, Max | ASTM D-6 & ASTM D-5 | % | 20.0 |
| Flash Point Cleveland open cup, Min | ASTM D-92 | °C | 250 |
| Solubility in CS2, Min | ASTM D-4 | %W | 99.5 |
| Organic Matter Insoluble in CS2, Max | ASTM D-4 | %W | 0.5 |
| Spot Test | *A.A.S.H.O.T.102 | Negative |