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Aerospace Seals

Resistance To Lubricating Oils And Fuels

Kalrez® parts withstand aggressive aerospace fluids, including jet fuels, engine lubrication oils, hydraulic fluids, rocket propellants and oxidizers as well as extreme temperatures. Kalrez® has proven its superior performance in such applications as:

Aerospace   
  • Aviation, marine and industrial gas turbine engines
  • Auxiliary power units
  • Hydraulic actuators
  • Bleed air valves and fittings

Kalrez® AeroSeal™ - Latest Products for Aerospace Sealing

Kalrez® AeroSeal™ 7777  and 7797 are the most recent Kalrez® products with outstanding thermal stability 325 °C (617 °F) and excellent compression set resistance. Both products exhibit excellent HTS (High Thermo-oxidative Stability) resistance. 7777 meets the requirements of AMS 7257C.

 

Seal Requirements     Suggested Product 
Thermal Stability, Excellent Compression Set, HTS Resistance, AMS 7257C Kalrez® 4079AMS 
Thermal Stability, Excellent Compression Set, HTS Resistance, Lower CTE, AMS 7257C Kalrez® AeroSeal™ 7777 
Thermal Stability, High Hardness, Excellent Compression Set, HTS Resistance Kalrez® AeroSeal™ 7797