Castrol Brayco™ 460 is a petroleum-based, jet engine lubricating oil. The base oil is a highly refined mineral oil meeting the highest standards of quality.Brayco 460 is designed for use in older jet engines and other high-speed turbines that require this type of petroleumbased turbine oil. Brayco 460 may also be used in various applications requiring low temperature operation and good viscosity behavior.