DuPont™ Kalrez® O-Rings are premium sealing solutions made from high-performance FFKM (Perfluoroelastomer), specifically engineered for the most demanding chemical and high-temperature applications. As one of the most trusted brands globally, Kalrez® delivers unmatched sealing reliability where failure is not an option.
These O-rings provide near-universal chemical resistance, exceptional thermal stability, and superior mechanical performance. They maintain their sealing integrity in aggressive environments involving acids, solvents, hydrocarbons, and high-purity processes.
Widely used in semiconductor, pharmaceutical, chemical processing, and oil & gas industries, Kalrez® O-rings are the preferred choice for critical systems requiring long service life, reduced downtime, and maximum operational safety.
- Original DuPont™ Kalrez® FFKM material
- Near-universal chemical resistance
- Exceptional high-temperature performance
- Superior mechanical and sealing stability
- Long service life with minimal maintenance
- Low outgassing (ideal for high-purity systems)
- Trusted global premium brand
- Semiconductor manufacturing
- Pharmaceutical production
- Chemical processing plants
- Oil & gas systems
- High-purity and vacuum environments
- Extreme temperature and aggressive media