Elastomers/TPEs
Extreme Chemical and Temperature Perfluoroelastomer (Kalrez) — Perfluoroelastomer (FFKM - Kalrez family)
FFKM provides unparalleled resistance to a vast array of chemicals, including aggressive solvents, acids, and bases, at extreme temperatures. It is used in the most demanding semiconductor and chemical processing applications.
FFKMKalrezKalrez®Perlast®
Manufacturers
3
Grades
3
Applications
5
Equivalents
0
Physical Properties
- Density
- 1.9 - 2.15 g/cm³
- Water Absorption (24h)
- 0.05 %
- Transparency
- Opaque
- Shrinkage
- 1.0 - 2.0 %
Mechanical Properties
- Young's Modulus
- 0.03 - 0.07 GPa
- Tensile Strength
- 10 - 20 MPa
- Elongation at Break
- 100 - 250 %
- Impact Strength (Izod)
- N/A
Thermal Properties
- Glass Transition Temperature
- 0 to 15 °C
- Melting Point
- N/A
- Continuous Service Temperature
- -20 to 327 °C
- Heat Deflection Temperature
- N/A
Electrical Properties
- Dielectric Constant
- 2.1 - 2.2
- Volume Resistivity
- 10^15 - 10^17 Ohm-cm
- Dielectric Strength
- 15 - 20 kV/mm
Chemical Resistance
- Acids
- Outstanding
- Bases
- Outstanding
- Solvents
- Outstanding resistance to virtually all chemicals and solvents
- UV Resistance
- Excellent
Sustainability
- Recyclability
- Extremely Limited
- Recycling Code
- N/A
- Carbon Footprint
- Very High (complex production)
Manufacturing compatibility
Specialized PolymerizationMoldingExtrusion
Applications
Semiconductor manufacturing
Chemical processing
Aerospace
Pumps and valves seals
Extreme environments
Available grades
FFKM 400FFKM 6375FFKM 900
Manufacturers
Compare Extreme Chemical and Temperature Perfluoroelastomer (Kalrez) with…
Extreme Chemical and Temperature Perfluoroelastomer (Kalrez) vs ABSExtreme Chemical and Temperature Perfluoroelastomer (Kalrez) vs PolycarbonateExtreme Chemical and Temperature Perfluoroelastomer (Kalrez) vs PETGExtreme Chemical and Temperature Perfluoroelastomer (Kalrez) vs PA66Extreme Chemical and Temperature Perfluoroelastomer (Kalrez) vs PEEKExtreme Chemical and Temperature Perfluoroelastomer (Kalrez) vs PLA