Castrol Aero 40 Hydraulic Fluid

The formulation is designed for use in landing gear shock struts. It is not completely compatible with synthetic gas turbine lubricants nor with phosphate ester hydraulic fluids. However, it is compatible with other petroleum-based and synthesized hydrocarbon lubricants but contamination should be avoided to maintain the unique properties of Aero 40.

This product is compatible with seals, hoses and paints normally used in shock struts and dispensing equipment connected with this application. While certain grades of the above materials are fully compatible with Aero 40, it is advisable to confirm the acceptability of use with either the material manufacturer or Castrol.