DuPont Elastomers Kalrez® Compound 4079 FFKM Perfluoroelastomer

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DuPont Elastomers Kalrez® Compound 4079 FFKM Perfluoroelastomer

Subcategory: Fluoropolymer, TS; Elastomer, TS; Thermoset

Close Analogs: This former DuPont Dow Elastomers product line is now produced by DuPont Performance Elastomers.

Key Words: Rubbers, FFKM

Material Notes:
A low compression set compound for general-purpose use in O-rings, diaphragms, seals, and other parts used in the process and aircraft industries. It is a carbon black-filled compound with excellent chemical resistance, good mechanical properties, and outstanding hot air aging properties. It exhibits low swell in organic and inorganic acids and aldehydes and has good response to temperature cycling effects. Max recommended operating temperature is 316°C, with short excursion to higher temperatures possible. This compound is not recommended for use in hot water/steam applications or in contact with certain hot aliphatic amines, ethylene oxide, or propylene oxide.

Data provided by DuPont Dow Elastomers.

Available Properties

Density
Oxygen Transmission
Hardness, Shore A
Tensile Strength, Ultimate
Elongation at Break
100% Modulus
Compression Set, Elevated Temperature
Electrical Resistivity
Dielectric Constant
Dielectric Constant, Low Frequency
Dielectric Strength
Dissipation Factor
Dissipation Factor, Low Frequency
CTE, linear 20°C
CTE, linear 100°C
CTE, linear 250°C
Specific Heat Capacity
Thermal Conductivity
Maximum Service Temperature, Air
Brittleness Temperature

Property Data

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