ROYCO 808 is a synthetic based lubricating oil for gas turbine engines requiring an oil with lower volatility and higher oxidative stability than is obtainable with conventional mineral based turbine oils.
ROYCO 808 is formulated using the highest quality polyester base stocks compounded with additives to impart higher oxidation and corrosion resistance as well as enhanced anti-wear protection.
These benefits provide for exceptionally clean engine operation as well as extended drain intervals.
Applications:
ROYCO 808 is intended for use in the lubrication of aircraft gas turbine and industrial turboprop engines - especially those operating in extreme cold or hot environs.
ROYCO 808 is also recommended for use in engines, which require start-up after extended periods of “cold soak” such as aircraft, APU's and railroad industrial snow removal equipment.
ROYCO 808 may also be used as a control fluid in stationary turbine applications.
Compatibility:
ROYCO 808 is not interchangeable with any other lubricating oils except those qualified under Mil- L-7808 or Mil-L-23699.
Approvals:
ROYCO 808 meets all requirements and is qualified under MIL-SPEC: MIL-PRF-7808L Grade 3.
PROPERTIES | ROYCO 808 |
1) Flash Point, °F | 440 |
2) Total Acid Number, mg KOH/gm | |
3) Trace Sediment, mg/200 ml | 1.0 |
4) Evaporation, %, 400°F/6.5 hrs. | 20 |
5) Kinematic Viscosity, cSt | |
@ 100°C | 3.4 |
@ 40°C | 12.0 |
@ -54°C | 11,150 |
6) Viscosity Stability, -54°C, % | 0.1 |
7) Lead Corrosion, 325°F/1 hr g/m2 | 0.01 |
8) Silver-Bronze Corrosion, 232oC | |
Silver, gm/m2 | 0.01 |
Bronze, gm/m2 | 0.05 |
9) Ryder Gear Test | |
Deposit Rating | 0.8 |
Neutralization Number Change | 2.0 |
Viscosity Change, 40oC, % | 12.0 |
Load Carrying Capacity, kN/m | 550 |
Oil Consumption, ml | 50 |
10) Accelerated. Storage Stability, gm/m2 | |
48 hrs, 110C | 0.10 |
168 hrs, 110°C | 0.50 |
PROPERTIES | ROYCO 808 |
Elastomer Compatibility NBR "H" Rubber, 158°F/168 hrs, % "FA" Rubber, 347°F/72 hrs., % Swell Tensile Strength Change, % Elongation Change, % Durometer Hardness Change, % Static Foam Test—Foam Volume, ml / Foam Collapse Time, sec C.R.C. Oxidation Corrosion Test, 200°C/96 hrs. Metal Coupon Weight Change, mg/cm2 Aluminum Silver Bronze Iron M-50 (steel) Magnesium Titanium Viscosity Change, 40oC, % Neutralization Number Change Insolubles, mg/100 ml 14) Density, 15oC, gm/ml | 27 16 30 3.5 9.0 30 / 15 0.01 0.10 0.10 0.10 0.00 0.01 0.01 5.0 0.9 0.1 0.952 |
