SN300 – American Specifications for Base Oil
SN300 is a mineral oil used as a base in the production of lubricating oils and engine oils. It is classified under Group I base oils according to the American Petroleum Institute (API) classification. It features medium viscosity between SN150 and SN500.
| Property | Typical Value | Test Method (ASTM) |
|---|---|---|
| Color | 1.0 – 2.5 | ASTM D1500 |
| Density at 15°C (g/cm³) | – | ASTM D4052 |
| Kinematic Viscosity @40°C | – | ASTM D445 |
| Kinematic Viscosity @100°C | – | ASTM D445 |
| Viscosity Index (VI) | – | ASTM D2270 |
| Flash Point | ≥ 220°C | ASTM D92 |
| Pour Point | -6°C | ASTM D97 |
| Sulfur Content | < 1.0% | ASTM D2622 & D4294 |
Aromatic Carbon Content: High (typical for Group I)
