SN500 – American Specifications for Base Oil
SN500 is a mineral oil used as a base in the production of engine oils and lubricating oils. It is classified under Group I base oils according to the American Petroleum Institute (API) classification.
| Property | Typical Value | Test Method (ASTM) |
|---|---|---|
| Color | 1.5 – 3.0 | ASTM D1500 |
| Density at 15°C (g/cm³) | 0.875 – 0.890 | ASTM D4052 |
| Kinematic Viscosity @40°C | 90 – 120 cSt | ASTM D445 |
| Kinematic Viscosity @100°C | 10.5 – 12.5 cSt | ASTM D445 |
| Viscosity Index (VI) | 90 – 105 | ASTM D2270 |
| Flash Point | ≥ 220°C | ASTM D92 |
| Pour Point | -6°C to -9°C | ASTM D97 |
| Sulfur Content | < 1.0% | ASTM D2622 & D4294 |
Aromatic Carbon Content: High (typical for Group I)
