Mobil HyJet IV-Aplus is a fire-resistant phosphate ester hydraulic fluid designed for use in commercial aircraft.
It is the best-performing Type IV fluid and approaches to a great extent many of the performance capabilities of Type V fluids, including high temperature stability, long fluid life, density, and rust protection.
It is superior to all other Type IV fluids in these respects.
Mobil HyJet IV-A plus meets the specifications of all major aircraft manufacturers and SAE AS1241.
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