Description
All-season mineral motor oil ROLF Optima 20W-50 SL/CF for gasoline and diesel engines of cars, including turbocharged ones, and commercial vehicles. The oil provides high protective properties, prevents coking and sludge formation, has high reserve of durability in the conditions of moist lubricant, resistance to oxidation and the maximum compatibility with catalysts. Provides extended replacement intervals.
Approvals and compliances
API SL/CF
Packaging
1/4/20/208 л
Physicochemical characteristics
| Name of characteristic | Method | Actual figure |
| Viscosity grade | SAE | 20W-50 |
| Density at 15 °C, g/cm3 | ASTM D4052 | 0,870 |
| Kinematic viscosity at 100 °C, mm2/s | ASTM D445 | 17,6 |
| Kinematic viscosity at 40 °C, mm2/s | ASTM D445 | 152,4 |
| Viscosity Index | ASTM D2270 | 127 |
| Dynamic viscosity CCS at -15 °C, mPa*s | ASTM D4684 | 7050 |
| Total Base Number (TBN) , mg КОН/g | ASTM D2896 | 9,3 |
| NOACK volatility, % | ASTM D5800 | 7,5 |
| Flash point in an open crucible, ° С, not less | ASTM D92 | 231 |
| Pour Point, °C | ASTM D97 | -27 |
