What characteristics are important in high-temperature turbine oil?

Important characteristics:

Thermal Stability: Resistance to thermal degradation at elevated temperatures.
Oxidation Resistance: Ability to resist oxidation that leads to sludge and varnish.
Viscosity Stability: Maintaining consistent viscosity across temperature ranges.
Low Volatility: Minimizing oil evaporation at high temperatures.
Deposit Control: Preventing the formation of deposits that can impair operation.
These properties enable the oil to perform effectively in high-temperature environments, ensuring equipment reliability.