DuPont Performance Polymers Kalrez® 4079 FFKM Perfluoroelastomer

Category	Polymer , Thermoset , Fluoropolymer, TS , Thermoset Fluoroelastomer , Rubber or Thermoset Elastomer (TSE)
Manufacturer	DuPont Performance Polymers (Former DuPont Elastomers)
Trade Name	Kalrez®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	DuPont Performance Polymers Kalrez® 4079 FFKM Perfluoroelastomer.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

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

Physical Properties	Metric	English	Comments
Density	1.90 - 2.00 g/cc	0.0686 - 0.0723 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	70 - 80	70 - 80	ASTM D2240
Tensile Strength, Ultimate	16.9 MPa	2450 psi	ASTM D412
Elongation at Break	150 %	150 %	ASTM D412
100% Modulus	0.00720 GPa	1.04 ksi	ASTM D412
Compression Set	25 % @Temperature 204 °C	25 % @Temperature 399 °F	70 hr at 204°C; ASTM D395B; Pellets

Thermal Properties	Metric	English	Comments
CTE, linear	229 µm/m-°C @Temperature 22.0 - 100 °C	127 µin/in-°F @Temperature 71.6 - 212 °F
	230 µm/m-°C @Temperature 22.0 - 260 °C	128 µin/in-°F @Temperature 71.6 - 500 °F
Specific Heat Capacity	0.945 J/g-°C @Temperature 50.0 °C	0.226 BTU/lb-°F @Temperature 122 °F
	0.974 J/g-°C @Temperature 100 °C	0.233 BTU/lb-°F @Temperature 212 °F
	1.053 J/g-°C @Temperature 150 °C	0.2517 BTU/lb-°F @Temperature 302 °F
Thermal Conductivity	0.170 W/m-K @Temperature 200 °C	1.18 BTU-in/hr-ft²-°F @Temperature 392 °F
	0.180 W/m-K @Temperature 100 °C	1.25 BTU-in/hr-ft²-°F @Temperature 212 °F
	0.190 W/m-K @Temperature 50.0 °C	1.32 BTU-in/hr-ft²-°F @Temperature 122 °F
Maximum Service Temperature, Air	316 °C	601 °F	Maximum recommended service temperature.
Brittleness Temperature	-50.0 °C	-58.0 °F	ASTM D746

Electrical Properties	Metric	English
Electrical Resistivity	5.00e+17 ohm-cm	5.00e+17 ohm-cm
Dielectric Constant	4.9 @Frequency 1000 Hz	4.9 @Frequency 1000 Hz
Dielectric Strength	>= 17.7 kV/mm	>= 450 kV/in
Dissipation Factor	0.0050 @Frequency 1000 Hz	0.0050 @Frequency 1000 Hz

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