Description
Aeroshell Turbine Oil 750 was developed to meet the requirements of DERD 2487 (now DEF STAN 91-98) and to provide a high standard of lubrication in British civil gas turbines, particularly turbo-prop engines where a good load carrying oil was required for the propeller reduction gearbox.
Aeroshell Turbine Oil 750 is also approved by the Russian authorities as an analogue to MN-7.5u and for those Russian turbo-prop applications which require the use of mixtures of mineral turbine oil and aircraft piston engine oil.
Aeroshell Turbine Oil 750 contains a synthetic ester oil and should not be used in contact with incompatible seal materials, and it also affects some paints and plastics.
Specifications, Approvals & Recommendations
· DEF STAN 91- 98
· French: Equivalent AIR 3517A
· Russia: Analogue TU 38.1011722- 85 Grade MN-7.5u
· NATO Code O-149 (equivalent O-159)
· Joint Service Designation OX-38
AeroShell Turbine Oil 750 is approved for use in all models
of the following engines:
· Rolls-Royce: Dart and Gnome
· Safran Helicopter engines: Astazou, Artouste, Marbore
· Honeywell: All APUs for 7.5cSt oils
· Helicopter Transmissions: Sikorsky S61N
For a full listing of equipment approvals and
recommendations, please consult your local Shell Technical helpdesk.
Health, Safety & Environment
· Health and Safety
This product is unlikely to present any significant health or safety hazard when properly used in the recommended
application and good standards of personal hygiene are maintained.
Avoid contact with skin. Use impervious gloves with used oil. After skin contact, wash immediately with soap and water.
Guidance on Health and Safety is available on the appropriate Safety Data Sheet, which can be obtained from
https://www.epc.shell.com
· Protect the Environment
Take used oil to an authorised collection point. Do not discharge into drains, soil or water.
Additional Information
· Advice
Advice on applications not covered here may be obtained from your Shell representative.
Typical Physical Characteristics
| Properties | Method | DEF STAN 91-98 | Typical | ||
| Oil type | Synthetic ester | Synthetic ester | |||
| Density | @150C | kg/m3 | ISO 12185 | Report | 951 |
| Kinematic Viscosity | @1000C | mm2/s | ASTM D445 | 7.35 min | 7.65 |
| Kinematic Viscosity | @400C | mm2/s | ASTM D445 | 36.0 max | 32 |
| Kinematic Viscosity | @-400C | mm2/s | ASTM D445 | 13 000 max | 11 531 |
| Pour Point | 0C | ASTM D97 | -54 max | -60 | |
| Flash Point | 0C | ASTM D92 | 216 min | 249 | |
| Total Acidity | mgKOH/g | SAE-ARP-5088 | Report | 0.03 | |
| Foaming Characteristics Sequences I,II,III Tendency/Stability | ml/ml | ASTM D892 | Must pass | Passes | |
| Trace metal content | ppm | ASTM D4951 | Must pass | Passes | |
| Elastomer compatibility, % weight change after 24/120 hours Nitrile | Def Stan 05-50
(Part 61) Method 22 |
Must pass | Passes | ||
| Elastomer compatibility, % weight change after 24/120 hours Fluorocarbon | Def Stan 05-50
(Part 61) Method 22 |
Must pass | Passes | ||
| Elastomer compatibility, % weight change after 24/120 hours LCS Fluorocarbon | Def Stan 05-50
(Part 61) Method 22 |
Must pass | Passes | ||
| Method | DEF STAN 91-98 | Typical | |
| Elastomer compatibility, % weight change after 24/120 hours Silicone | Def Stan 05-50
(Part 61) Method 22 |
Must pass | Passes |
| Solid particle contamination –mg/l sediment | FED-STD-791 M.3010 | 10 max | <10 |
| Solid particle contamination –Â Â Â Â Â Â Â Â Â mg/l total ash of sediment | FED-STD-791 M.3010 | 1 max | <1 |
| Corrosivity | Def Stan 05-50
(Part 61) Method 3 |
Must pass | Passes |
| High temperature oxidative stability | Def Stan 05-50
(Part 61) Method 9 |
Must pass | Passes |
| Load carrying ability | IP 166 | Must pass | Passes |
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