DuPont™ Kalrez® is a premium brand of perfluoroelastomer (FFKM) seals engineered for extreme chemical resistance and high-temperature stability. Trusted across industries like semiconductor manufacturing, chemical processing, and pharmaceuticals, Kalrez® parts offer long-term reliability in the harshest environments. With exceptional resistance to over 1,800 chemicals and thermal capabilities up to 327°C (620°F), Kalrez® helps reduce downtime, improve safety, and extend equipment life.