DuPont™ Kalrez® 4079

DuPont™ Kalrez® 4079 perfluoroelastomer parts are a low compression set product for general purpose use in O-rings, diaphragms,
seals and other parts used in the chemical process and aircraft industries. It is a carbon black filled product with excellent chemical
resistance, good mechanical properties, and outstanding hot air aging properties. It exhibits low swell in organic acids, inorganic acids
and aldehydes, and has good response to temperature cycling effects. A maximum service temperature of 316°C (600°F) is suggested,
with short excursions to higher temperatures possible. Kalrez® 4079 is not recommended for use in hot water/steam applications or in
contact with certain hot aliphatic amines, ethylene oxide, or propylene oxide.