Perfluoroelastomer Ffkm O Ring Manufacturer

Many industries use FFKM O-rings in critical applications where sealing failure is strictly prohibited. These industries include chemical processing, energy, semiconductors, pharmaceuticals, oil and gas recovery, aerospace, and other industries.

Product Detail

Many industries use FFKM O-rings in critical applications where sealing failure is strictly prohibited. These industries include chemical processing, energy, semiconductors, pharmaceuticals, oil and gas recovery, aerospace, and other industries.

KALFLUO® 1680 has excellent resistance to chemical corrosion, organic acid, inorganic acid, alkali, ester, ether, ketone, aldehyde, superheated water and steam. The maximum operating temperature is 230 °C. It can be made into O-ring, diaphragm, gasket, rubber strip, rubber plate and customized products.

When purchasing FFKM O-rings, it is crucial to choose the appropriate size for your project. We offer various industry standard sizes of FFKM O-rings. Please contact us for more information on O-ring selection and customized solutions.

Mechanical Property

Properties Unit Value Standard
Hardness Shore A 78 ASTM D2240
100% modulus MPa 9.4 ASTM D412,500mm/min
Tensile strength MPa 15.9 ASTM D412,500mm/min
Elongationat break % 130 ASTM D412,500mm/min
Compression set 70h×204℃ % 20.7 ASTM D395B 214-O-RING

If you have any questions or special requirement, please contact us.

Chemical Resistance

Chemicals Medium resistance grade
Aromatic Hydrocarbon/aliphatic Hydrocarbon oils ++++
Acid ++++
Alkali ++++
Alcohol ++++
Aldehydes ++++
Amine +++
Ethers ++++
Ester ++++
Ketones ++++
Hot water and mixed process streams E ++++
Strong oxidant athylene ++
Oxide/propylene oxide ++++
Hot air +++

Key to chemical resistance:

++++= excellent

+++= very good

++=good

+=bad

Application

  • Mechanical seal
  • Pump
  • Valve
  • Compressor
  • Centrifuge
  • Metering and control instruments
  • Reactor
  • Mixers and Grinders
  • Analytical Instruments
  • Spraying equipment

KALFLUO® Product

  • O ring
  • AS 568A        USA Standard
  • JIS B2401      Japan Standard
  • METRIC         Metric dimension standard
  • GB3452.1      China national standard
  • Customized non-standard O-ring