Aircraft engine component

O-ring elastomeric seals

Lubricant formulators ensure the balance between low and high swelling is maintained and that oil additives have minimal effects on elastomer embrittlement. The significant formulation variation permissible within typical elastomer specifications makes this more difficult.

See how O-ring size, shape and standards; manufacturing; sealing and swelling; and reaching equilibrium can impact mechanical strength.

To learn more, please download the full technical topic below.

378 kb in English


Technical topics

  • Aircraft engine viewed at night

    Mobil Jet™ oils

    Mobil Jet oils deliver performance to more than 11,000 engines (commercial, military and aircraft-type gas turbine) and are designed to meet today and tomorrow's aviation challenges.

    Learn more
  • Blue sky view from the side of a plane


    Find answers to general ExxonMobil aviation questions or explore our other FAQ pages about jet turbine oils, hydraulic fluids, piston engine oils, greases and gear oils.

    Learn more
  • Airport traffic control tower

    Where to buy

    Explore our extensive global distribution network in the map and dropdown menu below, and learn where to buy our full range of aviation fuels and lubricants.

    Learn more