Kalrez® perfluoroelastomer parts

DuPont™ Kalrez® offers more stability, more resistance, more effective sealing. Period.

Engineered for your mission-critical applications.

While DuPont didn’t invent O-rings or specialty sealants, it has a 40-year track record of innovation and development, creating sealants that stand up to the most challenging operating environments.

Aside from its cleanliness and purity, Kalrez® polymer chains are engineered to be one of the most inert polymer structures available, standing up to more than 1,800 different chemicals, while offering high temperature stability.

Kalrez® offers a consistent cure rate, precise traceability and one of the longest, most highly predictable lifespans in the industry.

From aerospace, transportation and chemical processing to chip manufacturing and oil and gas applications, DuPont™ Kalrez® is engineered to provide more stability, more resistance and more effective sealing. Period..