Description
Castrol Duratec M is a monograde gas engine lubricant that provides excellent thermal and oxidative stability to reduce combustion chamber deposits and signficantly reduce maintenance costs.
Approval Status
Castrol Duratec M is approved by:
- Perkins
- Guascor
- Jenbacher – Series 2 & 3 gas engines: Natural gas applications (TA1000-1106)
Castrol Duratec M meets the requirements of / is suitable for use in:
- Waukesha (normal coolant temperature installations)
Technical Data
| Name | Method | Units | Duratec M |
| SAE Viscosity | 40 | ||
| Base Oil Type | Mineral | ||
| Relative Density at 15°C | ASTM D4052 | g/ml | 0.89 |
| Kinematic Viscosity at 40°C | ASTM D445 | mm²/s | 124 |
| Kinematic Viscosity at 100°C | ASTM D445 | mm²/s | 13.0 |
| Viscosity Index | ASTM D2270 | 97 | |
| Total Base Number | ASTM D2896 | mg KOH/g | 7.2 |
| Open Flash Point | ASTM D92 | °C | 250 |
| Pour Point | ASTM D97 | °C | -18 |
| Sulphated Ash | ASTM D874 | % wt | 0.75 |
The above figures are typical of those obtained with normal production tolerance and do not constitute a specification.