The Seal to Trust for Tough Sealing Applications

For demanding sealing applications when customers require the very best, Kalrez® parts manufactured only by DuPont Performance Elastomers, are the elastomer seals of choice. Supplied in standard O-rings or custom shapes, Kalrez® resists over 1,800 different chemicals while offering the high temperature stability of PTFE (327°C). Advanced properties help maintain seal integrity, reduce maintenance and operating costs and improve safety. Kalrez® parts provide reliable, long-term service with a wide range of aggressive industrial and electronic grade chemicals. It is used in highly aggressive chemical processing, semiconductor wafer processing, pharmaceutical, oil and gas recovery, aerospace and petroleum applications. Production facilities for Kalrez® are ISO 9000 and AS 9100 registered.

Superior chemical resistance to more than 1800 chemicals

Kalrez® perfluoroelastomer parts have virtually universal chemical resistance. They withstand attack from more than 1,800 chemicals, solvents and plasmas. Standardizing on Kalrez® products for broad chemical resistance reduces your need to keep multiple materials on the shelf, thus lowering cost of inventory.