VG 20
Bitumen Specification
Viscosity Grade Analysis
| Specification | Acceptable Range | Result | Test Method | Explanations |
|---|---|---|---|---|
| Absolute Viscosity | Min 1600 | 1192 | ASTM – D4402 | at 60°c , Poises |
| Kinematic Viscosity | Min 300 | 317 | ASTM – D4402 | at 135°c , c.st |
| Ductility | Min 100 | >100 | ASTM – D113 | at 25°C, cm |
| Solubility | 99.0 Min | 99.8 | ASTM – D2042 | in CCL4, % |
| Specific Gravity | 1.01-1.06 | 1.022 | ASTM – D70 | at 25°C |
| Spot Test | Negative | Negative | T102 | in Naphtha |
| Flash Point | 220 Min | 332 | ASTM – D92 | °C |
| Penetration | 60-80 | 70 | ASTM – D5 | at 25°C, mm/10 |
| Absolute Viscosity | Min 45 | 47.8 | ASTM – D36 | °C |
| Test on Residue From Thin Film Oven Test (T.F.O.T) | ||||
| Raito Viscosity | Max 4.0 | 1.9 | ASTM – D4402 | at 60°c , % |
| Ductility | Min 50 | 76 | ASTM – D113 | at 25°c , cm |