| Characteristics | Limit | Test Method |
|---|---|---|
| Absolute Viscosity, 60o ℃, poises, min | 800-1600 | IS1206 |
| Kinematic Viscosity, 135o ℃, CST, min | 250 | IS1206 |
| Flash point, ℃, min | 220 | Is1209 |
| Solubility in trichloroethylene, %, min | 99.0 | IS1206 |
| Penetration at 25℃ | 80-100 | Is1203 |
| Softening point, ℃, min | 40 | IS1205 |
| Viscosity ratio at 60℃, max | 4.0 | IS1206 |
| Ductility at 25℃, cm, min, after thin film over test | 75 | Is1208 |