 
 Viscosity Grade Analysis (VG10)
| Property | Unit | Requirement | Test method | 
| Penetration @ 25 ᵒC | mm/10 | 80-100 | ASTM D5 | 
| Softening point | ᵒC, min. | 40 | ASTM D36 | 
| Ductility @ 25 ᵒC | cm, min. | 75 | ASTM D113 | 
| Flash point | ᵒC, min. | 220 | ASTM D92 | 
| Solubility in Trichloroethylene | wt %, min. | 99.0 | ASTM D2042 | 
| Viscosity ratio at 60 ᴼC | – | 4.0, max. | IS 1206(Part 2) | 
| Absolute Viscosity @ 60 ᵒC | P, min. | 800 | ASTM D2171 | 
| Kinematic Viscosity @ 135 ᵒC | cst, min. | 250 | ASTM D2170 |