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Eastman Turbo Oil 25, 1QT/0,946L (U)
Dostępne opakowania
176.44
176.44
176.44
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Phone orders: 609 181 786
Eastman™ Turbo Oil 25
5 cSt high load-carrying synthetic lubricant for helicopter gearboxes and transmissions
Eastman™ Turbo Oil 25 is a high load-carrying synthetic gas turbine oil developed for demanding gear applications. The 5 cSt lubricant combines the thermal and oxidation stability of commercial Type II oils with extreme-pressure additive technology, providing enhanced wear protection and helping maximize the reliability of heavily loaded helicopter gearboxes and transmissions.
Applications:
Eastman™ Turbo Oil 25 is designed primarily for helicopter gearboxes and transmissions operating under demanding loads. It is used by helicopter operators in both military and private-sector applications where effective wear protection and high load-carrying capability are required.
Typical applications:
- Helicopter gearboxes
- Helicopter transmissions
- High-load gear applications
- Military helicopter applications
- Commercial and private-sector helicopter applications
Product advantages and benefits:
- High load-carrying capability: developed for demanding gear applications exposed to high mechanical loads.
- Extreme-pressure protection: advanced EP additive technology provides effective wear protection for heavily loaded gear systems.
- Synthetic formulation: manufactured from synthetic base stocks combined with advanced technology additives.
- Thermal and oxidation stability: provides the thermal and oxidation stability characteristics associated with commercial Type II lubricants.
- Gear system reliability: extreme-pressure additives help maximize the reliability of helicopter gearboxes and transmissions.
- Excellent low-temperature properties: a pour point of -60°C supports reliable lubrication under very low-temperature operating conditions.
- High-temperature performance: a flash point of 255°C demonstrates good performance characteristics at elevated temperatures.
Specification:
- DOD-PRF-85734 – 5 cSt viscosity class oil with extreme-pressure additives
Technical data – Eastman™ Turbo Oil 25:
| Property | Unit | Test Method | Typical Value |
|---|---|---|---|
| Density at 15°C | kg/L | ASTM D1298 | 0.9950 |
| Kinematic viscosity at 98.9°C | mm²/s | ASTM D445 | 5.16 |
| Kinematic viscosity at 37.8°C | mm²/s | ASTM D445 | 27.2 |
| Kinematic viscosity at -40°C after 35 minutes | mm²/s | ASTM D2532 | 8,990 |
| Pour point | °C | ASTM D97 | -60 |
| Flash point | °C | ASTM D92 | 255 |
| Total Acid Number | mg KOH/g | ASTM D664 | 0.38 |
| Evaporation loss, 6.5 hours at 204°C | % | ASTM D972 | 1.8 |
| Foaming volume, Sequence 1 at 24°C | ml/vol | ASTM D892 | 5/0.05 |
| Foaming volume, Sequence 2 at 93°C | ml/vol | ASTM D892 | 5/0.03 |
| Foaming volume, Sequence 3 at 24°C | ml/vol | ASTM D892 | 5/0.08 |
Load-carrying performance:
| Property | Test Method | Typical Value |
|---|---|---|
| Ryder Gear – average relative rating | FED 6508 | 167% reference oil |
| Number of determinations | FED 6508 | 2 |
| Reference oil – average rating | FED 6508 | 2,400 lbs/in |
Elastomer compatibility:
| Property | Test Method | Typical Value |
|---|---|---|
| H Rubber Swell, 72 hours at 70°C | FED-STD-791, 3604.14 | 14% |
| F Rubber Swell, 72 hours at 204°C | FED-STD-791, 3604.14 | 14% |
| Silicone rubber tensile strength loss | FED-STD-791, 3433 | 57.6% |
Corrosion and oxidative stability – 72 hours at 175°C:
| Property | Test Method | Typical Value |
|---|---|---|
| Iron weight loss | ASTM D4636 | 0 mg/cm² |
| Silver weight loss | ASTM D4636 | -0.07 mg/cm² |
| Aluminium weight loss | ASTM D4636 | 0 mg/cm² |
| Magnesium weight loss | ASTM D4636 | 0.08 mg/cm² |
| Copper weight loss | ASTM D4636 | 0.05 mg/cm² |
| Viscosity change at 38°C | ASTM D4636 | 10.3% |
| Total Acid Number change | ASTM D4636 | 0.56 mg KOH/g |
| Sludge | ASTM D4636 | 0.1 mg/100 ml |
Eastman™ Turbo Oil 25 is a 5 cSt synthetic high load-carrying lubricant for demanding helicopter gearboxes and transmissions. Its extreme-pressure additive technology provides enhanced wear protection and supports reliable operation of heavily loaded gear systems.
Documents to download:
Product Data Sheets
Availability:
Available
Package::
to 1L/KG
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