What FFKM O-Rings Offer

FFKM O-Rings, also known as Perfluoroelastomer O-Rings or Kalrez® O-Rings, are engineered to provide exceptional chemical resistance and high-temperature sealing. They outperform other elastomers in extreme conditions, making them ideal for critical applications where durability and performance are paramount.

The unique composition of FFKM O-Rings allows them to withstand aggressive chemicals, extreme temperatures, and intense pressures. Their superior sealing capability ensures long-lasting performance, reducing the need for frequent maintenance and replacement.

Features & Benefits

  • Chemical Resistance: Withstands a broad spectrum of chemicals, including acids, solvents, and fuels.
  • High-Temperature Performance: Functions effectively in temperatures ranging from -4°F to 608°F (-20°C to 320°C).
  • Compression Set Resistance: Maintains integrity and sealing ability over extended periods.
  • Low Outgassing: Ideal for vacuum and space applications where outgassing is a concern.
  • Durability: Excellent resistance to weathering, extending service life in harsh conditions.
  • Flexible Sealing: Provides a secure seal even in dynamic environments.

Potential Applications & Industries

FFKM O-Rings are essential in high-stakes industries like aerospace, military, oil and gas, chemical processing, and semiconductor manufacturing. These seals are trusted for critical applications like jet engine sealing, chemical processing systems, and aerospace fuel systems, where they endure extreme temperatures and aggressive chemicals. 

Industries like transportation, food and beverage, and pharmaceuticals also rely on these seals to improve system efficiency, reduce maintenance costs, and ensure long-term performance in demanding environments.

Design Specifics & How The Product Works

FFKM O-Rings are made from advanced perfluoroelastomer materials that provide exceptional resistance to a wide variety of chemicals and withstand extremely high temperatures. Their versatility makes them suitable for both static and dynamic sealing applications. These seals are often used in aggressive environments where standard elastomers would fail.

What Makes FFKM O-Rings So Effective? The simple yet effective design of FFKM O-Rings ensures a reliable, durable seal. As the material compresses to fit into a seal groove, it maintains pressure while remaining flexible, adapting to temperature fluctuations and chemical exposure. This dynamic sealing capability guarantees consistent performance and long-lasting protection for critical systems.

Products Bought With FFKM O-Rings

FFKM Sheet Materials
Specially designed for harsh chemical and high-temperature environments, FFKM sheet materials offer flexible sealing solutions for various demanding applications.

Rubber Molding
Utilizing high-performance rubber compounds, rubber molding delivers custom parts that meet exact specifications for sealing applications in extreme conditions.

Viton/FKM O-Ring
Viton O-Rings are ideal for sealing applications that require resistance to high temperatures and aggressive chemicals, making them a popular alternative in industries demanding reliability.

Our Value Added Services

At Sealing Devices, we don’t just provide top-tier products — we partner with you to create tailored sealing solutions. Our Application Engineers work with you to customize materials, profiles, and configurations to meet your exact needs, ensuring your systems run smoothly and efficiently.