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Technical Data Sheet
Eastman™ Turbo Oil 2380

  • Aerospace
  • Aviation turbine oil (ATO)
Key Attributes
  • 5 cSt synthetic lubricant
  • Balanced combination of Oxidative and Thermal stability
  • Best low temperature characteristics

Product Description
Eastman Turbo Oil 2380™ is still one of the most widely used turbine oils in the commercial aviation industry. It was one of the first turbine oils to be qualified and approved for MIL-PRF-23699 STD (Standard) class and subsequently SAE AS5780 SPC (Standard Performance Capability) class.

If you’re looking for exceptional accessory performance Turbo Oil 2380 delivers, with extended on-wing accessories lifespan and improved reliability. Turbo Oil 2380 has also been found to neutralize the effects of copper (Cu)—with superior metal passivation results showing reduced oxidation and sludge formation.

Typical Properties

PropertyTest MethodTypical Value, Units
     @ 15°CASTM D 12980.9749 kg/L
Viscosity, Kinematic 
     @ 100°CASTM D 4454.97 mm2/s
     @ 40°CASTM D 44524.2 mm2/s
     @ -40°C after 35 minutesASTM D 25327,950 mm2/s
Pour PointASTM D 97-57 °C
Flash PointASTM D92265 °C
Total Acid NumberSAE ARP50880.43 mg KOH/g
Evaporation Loss 
     6.5 hrs @ 204°CASTM D 9723.0 %
Foaming Volume 
     Sequence 1 @ 24°CASTM D 8929/0 ml/vol
     Sequence 2 @ 93 °CASTM D 8928/0 ml/vol
     Sequence 3 @ 24°CASTM D 8928/0 ml/vol
Load Carrying Abilitya 
     2000 rpmIP 16699 %
     6000 rpmIP 16686 %
Rubber Swell 
     Nitrile Rubber (192 hrs @ 130°C)DERD Test, Method 410.5 %
     Silicone Rubber (192 hrs @ 175°C)DERD Test, Method 410.5 %
     Viton LCS Rubber (192 hrs @ 200°C)DERD Test, Method 414 %
     Viton Rubber (192 hrs @ 200°C)DERD Test, Method 422.5 %

aIAE Gear Machine, Ref Oil A

Properties reported here are typical of average lots. Eastman makes no representation that the material in any particular shipment will conform exactly to the values given.

Eastman and its marketing affiliates shall not be responsible for the use of this information, or of any product, method, or apparatus mentioned, and you must make your own determination of its suitability and completeness for your own use, for the protection of the environment, and for the health and safety of your employees and purchasers of your products. No warranty is made of the merchantability of fitness of any product, and nothing herein waives any of the Seller's conditions of sale.

8/28/2018 3:23:47 PM