| 摘要 |
This application discloses a high performance hydraulic fluid suitable for u se as an aircraft hydraulic fluid comprising a major amount of tri(n- butyl)phosphate, a minor amount of a triaryl phosphate and optionally a mino r amount of tri(isobutyl)phosphate. The compositions of this invention provide superior performance with respect to flash and fire points as well as extend ed useful fluid life in service. Such properties are highly valuable as hydraul ic fluids modern jet aircrafts.
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