Mobil Jet Oil II 208L
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Specifications, Approvals & Recommendations of Mobil Jet™ Oil II
| Mobil Jet™ Oil II Approvals | Mobil Jet™ Oil II Specifications |
|---|---|
| PRI-QPL-AS5780 / SPC | MIL-PRF-23699-STD (Standard Performance) |
| Builder approvals (engines): GE, Pratt & Whitney, Rolls-Royce, CFM International | Effective operating temperature range: −40 °C to +204 °C |
| Builder approvals (engines): Honeywell, Safran / SNECMA, Turbomeca | Synthetic ester base fluid with advanced additive system |
| Accessory approvals: APUs, starters, CSDs and IDGs | Excellent thermal and oxidation stability |
| Compatible with aviation sealing materials | Suitable for FKM (Viton A), NBR (Buna-N) and silicone seals |
Performance, Features & Benefits
Excellent thermal and oxidation stability
Helps minimise degradation and deposit formation at high operating temperatures, contributing to cleaner engines and extended maintenance intervals.
Wear and corrosion protection
Provides effective protection of gears, bearings and accessories against wear and corrosion under severe operating conditions.
Stable viscosity over a wide temperature range
Maintains viscosity and film strength for reliable lubrication during cold starts and sustained high-temperature operation.
Low volatility and low pour point
Chemical stability helps reduce evaporation losses and oil consumption, while the low pour point supports reliable low-temperature starting.
Applications of Mobil Jet™ Oil II
Mobil Jet™ Oil II is recommended for aircraft gas turbine engines, including turbojet, turbofan, turboprop and turboshaft (helicopter) engines in both commercial and military service. It is also suitable for aircraft-type gas turbines used in industrial or marine applications.
Mobil Jet™ Oil II is compatible with other synthetic gas turbine oils meeting MIL-PRF-23699 requirements; however, mixing with other products is not recommended as this may result in reduced performance.
Typical Test Data
| Property | Typical Value |
|---|---|
| ISO Fluid Type | Synthetic ester |
| Kinematic viscosity @ 40 °C | ≈ 25 mm²/s |
| Kinematic viscosity @ 100 °C | ≈ 5.1 mm²/s |
| Flash point (COC) | ≈ 246 °C |
| Pour point | ≤ −54 °C |
Health, Safety & Environment
Health and safety guidance is available in the current Safety Data Sheet (SDS). Always follow proper handling, storage and environmental precautions.
What is Mobil Jet Oil II and what is it used for?
Mobil Jet Oil II is a synthetic lubricant specifically designed for use in aircraft turbines. It is used to lubricate and protect the moving parts of the engine against wear, oxidation and corrosion.
What are the advantages of using Mobil Jet Oil II?
Mobil Jet Oil II provides several benefits for aircraft turbines, including long engine life, excellent lubrication properties, high oxidation stability and corrosion protection. In addition, Mobil Jet Oil II has low viscosity at low temperatures, making it easier to start the engine at cold start-up
Where to buy Mobil Jet Oil II?
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