DuPont Mobility and Materials Kalrez® 1050LF FFKM Perfluoroelastomer

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DuPont Mobility and Materials Kalrez® 1050LF FFKM Perfluoroelastomer (discontinued **)
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	A general-purpose compound for O-rings, seals, and other parts used in chemical process industries. It has good hot water/steam, excellent amine resistance, and enhanced compression set properties. Not recommended for use in organic or inorganic acids at high temperatures. Data provided by DuPont Dow Elastomers.
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Physical Properties	Original Value	Comments

Density	1.90 - 2.00 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	77 - 87	ASTM D2240
Tensile Strength, Ultimate	18.6 MPa	ASTM D412
Elongation at Break	125 %	ASTM D412
100% Modulus	0.0124 GPa @Strain 100 %	ASTM D412
Tear Strength	3.06 kN/m
Abrasion	121	NBS Abrasion Resistance; ASTM D1630
Compression Set	35 % @Temperature 204 °C	70 hr at 204°C; ASTM D395B; Pellets

Electrical Properties	Original Value	Comments
Electrical Resistivity	5.00e+17 ohm-cm
Dielectric Constant	4.9 @Frequency 1000 Hz
Dielectric Strength	>= 17.7 kV/mm
Dissipation Factor	0.0050 @Frequency 1000 Hz

Thermal Properties	Original Value	Comments
CTE, linear	229 µm/m-°C @Temperature 22.0 - 100 °C
	230 µm/m-°C @Temperature 22.0 - 260 °C
Specific Heat Capacity	0.945 J/g-°C @Temperature 50.0 °C
	0.974 J/g-°C @Temperature 100 °C
	1.053 J/g-°C @Temperature 150 °C
Thermal Conductivity	0.170 W/m-K @Temperature 200 °C
	0.180 W/m-K @Temperature 100 °C
	0.190 W/m-K @Temperature 50.0 °C
Maximum Service Temperature, Air	288 °C
Brittleness Temperature	-41.0 °C	ASTM D746

**
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PDVD01 / 33865

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