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The ability to withstand extreme temperatures makes Kalrez® perfluoroelastomer parts provide aerospace seals for use in aircraft and aerospace applications. Kalrez® parts also withstand aggressive aerospace fluids, including jet fuels, engine lubrication oils, hydraulic fluids, rocket propellants and oxidizers. Kalrez® has proven its superior performance for more than 40 years in such applications as:
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- Aviation, marine and industrial gas turbine engines
- Auxiliary power units
- Hydraulic actuators
- Bleed air valves and fittings
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Kalrez® seals combine the chemical inertness and thermal stability of fluoropolymer with the leak-stopping resilience of an elastomer. The unique properties of Kalrez® parts can help you meet the most demanding sealing challenges, while allowing you to "design-in" benefits ranging from reduced downtime to lower operating costs to improved personnel safety.
Unlike other elastomers, Kalrez® seals demonstrate virtually universal chemical compatibility. Kalrez® parts resist the most aggressive aerospace fluids, including hydraulic fluids, jet fuels, hot lubricating oils, oxidizers, rocket propellants, solvents and degreasers, as well as hot air.
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.
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