- Appearance /Visual Inspection
- Kinematic viscosity @ 40 degree C
- Kinematic viscosity @ 100 degree C
- Sulphated ash
- Viscosity index(Calculated)
- Flash point COC
- Pour point
- Foaming characteristics – Sequence I,II,III
- Sulphur content
- Stability and compatibility
- Conradson carbon residue.
- Marking and Labelling /packing
- API gravity
- Pentane Insolubles
- Temperature for apparent Visosity of 150,000cP (°C)
- Boron
- Zinc
- Potassium
- Elemental analysis
- Corrosion resistance in the presence of water (moisture corrosion)