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Royco® 500 is a 5 cSt synthetic turbine engine oil that meets MIL-PRF-23699 STD specifications, NATO Specification O-156, and Joint Service Designation OX-27.
Royco® 500 is a synthetic, ester-based, 5-centistoke aircraft turbine oil blended with additives for strong oxidative and thermal stability performance. Royco® 500 turbine engine oil is formulated with performance additives for enhanced oxidation resistance, anti-wear performance, and passivators for metal.
Royco® 500 turbine oil was specifically engineered for use in high-performance turboprop and turbojet engines, as well as industrial gas turbine engines. Royco® 500 is a synthetic lubricating oil recommended for gas turbine aircraft applications where extended engine life, sludge control, and coke deposition are critical.
Viscosity, cSt:
@40°C: 25.7
@ 100°C: 5.13
Flash point: 520°F
Pour point: −59°C (−75°F)
Rubber swell, %: 16.9
Neutralization number: 0.06
Density, lb/gal @15.6°C: 8.35
Primary Chemistry:
Ester
Ineffective deposit or sludge control from lubricant
Inadequate lubricant oxidative resistance or lifespan
Unreliable or dangerous turbine oils
Royco® 500 turbine engine oil has been tested and approved for the following aircraft turbine engine manufacturers: Pratt & Whitney, General Electric, Honeywell, Lycoming, Rolls Royce, Snecma, and Turbomeca.
Royco® 500 turbine oil can be used successfully in gas turbine engines for air, sea, and ground vehicles and equipment for mobility. STD class oil is intended for use in normal-performance turbo equipment where there are no concerns around ferrous materials corroding over time.
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