Monograde engine oils are oils that have a constant viscosity, meaning they have a single viscosity grade that does not vary with operating temperature. These oils are used in engines that operate within a relatively narrow and constant temperature range. Typically, these oils are designated by a single number (e.g., 30, 40), which indicates the viscosity at 100°C.
| Properties | DieselGuard M30S2 | DieselGuard M40S2 | DieselGuard M50S2 |
|---|---|---|---|
| Density at 15°C (g/cm³, max.) | 0,890 | 0,890 | 0,890 |
| Kinematic Viscosity at 40°C (mm²/s) (cSt) | 220 | 220 | 220 |
| Viscosity Index (min.) | 85 | 96 | 97 |
| Flash Point (°C, min.) | 240 | 240 | 240 |
| Pour Point (°C, max.) | -22 | -22 | -22 |
| Kinematic Viscosity at 100°C (mm²/s) (cSt) | 19 | 19 | 19 |
| Additive Grades | SF / CC | SF / CC | SF / CC |
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