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Kalrez® – Engineered for your mission-critical applications


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.


    • Chemical Processing – Kalrez® chemical processing seals are a proven sealing option for high-temperature (327°C) & aggressive-chemical processing applications whether used in pumps, valves, reactors, flange joints or some other equipment.
    • Semiconductors – Kalrez® semiconductor processing seals are a field-proven choice for wafer-fabricating operations, including deposition, etch, ash/strip, thermal and wet-chemical processes.
    • Life Sciences – There can be no compromise on the safety standards and in the production processes in areas like pharmaceutical, medical packaging and the food and beverage industries. Kalrez® offers high performance seals which ensures efficiency and cleanliness.
    • Aerospace – Kalrez® parts used for aircraft engine seals are designed with properties to work in extreme temperatures and withstand aggressive aerospace fluids, including jet fuels and lubricating oils.
    • Oil and Gas –  Kalrez® perfluoroelastomer parts and shapes in high pressure seal and valve applications help to reduce fugitive emissions, improve control in processing and provide excellent durability and resistance against chemicals and extreme temperatures.
    • Photovoltaic – In photovoltaic manufacturing, Kalrez® parts are a cost-effective upgrade over standard elastomers for bulk crystalline silicon and thin-film photovoltaic processes.

Kalrez for mission-critical applications


Kalex for mission-critical applicatins


To browse the Kalrez® range of products according to industries, click here.

To learn about selecting the correct products for your operating environment please contact your local Daemar Technical Sales Representative.











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