Perfluoroelastomer (FFKM) is the top-tier member of the fluoroelastomer family. In FFKM, all C–H bonds in both the main chain and side chains are replaced with C–F bonds, and perfluoroether segments are incorporated, providing exceptional chemical inertness and thermal stability, enabling long-term service under extreme and harsh operating conditions.

FFKM is primarily used in semiconductor manufacturing, chemical processing, oil and gas, and aerospace industries.

Key Performance

Exceptional Chemical Resistance: Resistant to strong acids, strong bases, organic solvents, oxidizers, amines, brake fluids, high-temperature steam, and hot oils.
Outstanding High-Temperature Performance: Continuous use up to 300 °C, short-term exposure over 320 °C; also exhibits good low-temperature performance (Tg approx. -5 to -25 °C).
High Purity and Low Extractables: Purified to extremely low levels of metal ions and volatile organic compounds, suitable for high-purity environments such as semiconductor, pharmaceutical, and food processing applications.
Excellent Mechanical Properties: Good elastic recovery, tear resistance, low compression set; long seal life in high-temperature corrosive media, reducing maintenance and leakage risks.

Typical Applications

Seals, gaskets, hoses: turbocharger hoses, injector O‑rings, acid-resistant seals, oilfield downhole tool seals, high-temperature steam valve seals, semiconductor equipment seals, and other extreme operating conditions.

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