Eastman Turbo Oil 2380 (formerly BP 2380)
Eastman Turbo Oil 2380 is a 5 cSt synthetic lubricant that is approved against US military specification MIL-PRF-23699F STD, and UK military specification DEF STAN 91-101/2 (replaced DERD 2499). This lubricant provides a balanced combination of thermal and oxidation stability, load carrying capacity, lower volatility and has the best low temperature flow characteristics of all 5 cSt turbine oils. Eastman 2380 is our best selling turbine oil. Try it today.
Applications & Approvals 
Eastman Turbo Oil 2380 is recommended for the lubrication of most aircraft gas turbines and 
accessories. It is also recommended for the lubrication of aero-derived gas turbines in industrial 
power generation, offshore and marine applications.   
Eastman Turbo Oil 2380 has been approved by a wide range of engine and accessory manufacturers 
for their applicable equipment, including:  
 
Rolls-Royce Ltd, Rolls-Royce Allison, GE, Pratt & Whitney, Pratt & Whitney Canada, Honeywell, 
Hamilton Sundstrand, CFMI, IAE, MTU, Solar and Turbomeca.  
Features & Benefits  
 
Viscosity: Eastman Turbo Oil 2380 has the best low temperature viscosity properties 
among all 5 cSt oils.  
 
Cleanliness: Minimum formation of varnish and sludge deposits over long periods of 
use.  
 
Seal Material  Very benign to commonly used seal materials in gas turbines. 
Compatibility:   
 
Load Carrying Eastman Turbo Oil 2380 is among the best of its class and provides excellent 
Capacity: protection to bearings, gears, and other highly loaded lubricated surfaces.  
 
Bulk Stability: Its high degree of oxidation resistance permits a long period of operation 
without significant increase in viscosity and/or total acidity.  
| Eastman Turbo Oil 2380 | Test Method | Result | 
| Density @ 15�C, Kg/l | ASTM D1298 | 0.9749 | 
| Kinematic Viscosity, cSt, mm2/sec @ 100�C @ 40�C @ -40�C | ASTM D445 ASTM D445 ASTM D-2532 | 4.97 24.2 7950 | 
| Pour Point, �C | ASTM D97 | -57 | 
| Flash Point, �C | ASTM D92 | 265 | 
| Total Acid N�, mgKOH/g | SAE-ARP5088 | 0.43 | 
| Evaporative Loss, % (6.5h, 204�C) | ASTM D972 | 3.0 | 
| Foaming Characteristics Sequence 1 @ 24�C Sequence 2 @ 93�C Sequence 3 @ 24�C | ASTM D892 | 9/0 8/0 8/0 | 
| Load Carrying Ability, IAE Gear Machine, % Ref Oil A 2000 rpm 6000 rpm | IP166 | 99 86 | 
| Rubber Swell, % Nitrile Rubbe, 192h @ 130�C Viton Rubber, 192h @ 200�C Silicone Rubber, 192h @ 175�C Viton LCS Rubber, 192h @ 200�C | DERD Test, Method 4 | 10.5 22.5 10.5 14 | 
 
             
                     
                     
             
             
                        
                             
             
                        
                            