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FKM and FFKM share many similarities. Understanding the differences is critical in helping determine the appropriate sealing solution for your application.
FFKM, or perfluoroelastomer, contains higher amounts of fluorine than standard FKM, and features higher temperature ratings, up to approximately 325°C. FFKM also has improved chemical resistance, with nearly universal chemical compatibility. This combination of high-performance capabilities makes FFKM seals the premium choice for the most challenging applications.
The first commercially available FFKM seal was produced in the late 1960s. However, widespread manufacturing of FFKM materials did not occur until the late 1980s due to patent restrictions.
FFKM is used in o-rings and seals in environments with high temperatures and/or harsh chemicals in the aerospace, semiconductor, energy, pharmaceutical and industrial industries.
- Power Generation
- Fluid Power
- Chemicals & Fertilizer Plants
- Hydraulic Fittings
- Hydraulic Cylinders
- Pneumatic Cylinders
- Valves and Pumps
- Plumbing Products
- Dairy/Food Processing
- Earthmoving & Construction Equipment