Sinopec 15W-40 CNG/LNG Long Life Gas Engine Oil data sheet provides specifications, applications and performance details.
The Sinopec 15W-40 CNG/LNG Long Life Gas Engine Oil is formulated with high‑viscosity‑index hydrogenated base oils and a suitable ash additive system. It is intended for CNG, LNG and other vehicle gas engines, including those made by Cummins and Shangchai, offering protection for valve seats, guides and other critical parts.
The sheet lists typical technical data such as viscosity, base number and flash point, and includes safety and environmental handling guidance. Values are typical and may vary slightly; the product should be recycled or disposed of according to local regulations.
| SAE grade | 15W-40 |
|---|---|
| Kinematic viscosity (100 °C) | 15.06 cSt |
| Dynamic viscosity (-20 °C) | 5900 cP |
| Mini‑rotary viscometer (-25 °C) | 19000 cP |
| Total base number | 6.81 mg KOH/g |
| Sulfated ash | 0.79 wt % |
| Pour point | -38 °C |
| Flash point (COC) | 224 °C |
| Density (20 °C) | 0.881 kg/l |
It is suitable for CNG, LNG and other vehicle gas engines, including those manufactured by Cummins and Shangchai.
Used oil should be sent for reclamation/recycling or, if that is not possible, disposed of according to relevant government or authority regulations.
The kinematic viscosity at 100 °C is 15.06 cSt.
The data sheet was issued in March 2017.