Kalrez FFKM O-Rings

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kalrez o-rings

Kalrez – (a Dupont trademark name) is perfluoroelastomer (FFKM). Kalrez resists over 1,800 different chemicals while offering the high temperature stability of PTFE (327°C). Kalrez parts are used in highly aggressive chemical processing, semiconductor wafer fabrication, pharmaceutical, oil and gas recovery, and aerospace applications.

The long-term, proven performance of Kalrez parts can mean less frequent seal changes, repairs, and inspections, increasing process and equipment uptime for greater productivity and yield. Kalrez parts and seals also help prevent semiconductor process contamination by reducing particulates, lowering extractables, and resisting degradation in harsh plasma. Kalrez parts provide low outgassing in vacuum-sealing applications.

You can find additional technical information related to this and other materials regarding chemical compatibility, resistance to abrasion, suitability for dynamic or static applications, temperature operating ranges, longevity, and other factors on our Technical Information pages.

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