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Rubber Material-FKM

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What is FKM?

“FKM” stands for Fluoroelastomer, which is a type of synthetic rubber that contains fluorine atoms in its polymer structure. Fluoroelastomers are known for their exceptional resistance to a wide range of chemicals, fuels, oils, and high temperatures. They are commonly used in applications that require sealing, gaskets, and components in harsh and demanding environments.

FKM Information

Process: Injection Molding, Compression Molding

Colors: Custom Colors

Tolerance: ±0.5mm

Price: Expensive

Application: automotive, aerospace, oil and gas, chemical processing

Recommended Wall Thickness: 1mm-10mm or even thicker

FKM Properties

Fluorocarbon rubber (FKM) is a special type of elastomer that is resistant to extreme heat, oil, gasoline, hydraulic oil and hydrocarbon solvents. Very good resistance to oxygen, ozone, sunlight, very good impermeability to gases and vapours.

Density (g/cm³)


Hardness (Shore A)50 – 90
Tensile Strength (MPa)Good
Elongation at Break (%)Good
Tear Strength (N/mm)Good
Abrasion ResistanceGood
Temperature Range (°C)-20 to 250
Electrical InsulationGood
Chemical ResistanceExcellent
Solvent ResistanceExcellent
Oil ResistanceExcellent
Adhesion to MetalsGood
Compression SetGood
UV and Weather ResistanceGood

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