FFKM O-rings EN9LT

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ProductDimensionsMaterialHardness (Shore A)CertificationStock
O-Ring 150x21 Kalrez-FFKM - 90 Shore A - Black - SES-742917 O-ring Black150 mm  x 21 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 85.62x3.53 Kalrez-FFKM - 90 Shore A - Black - SES-545517 O-ring Black85.63 mm  x 3.53 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 18.5x1.9 Kalrez-FFKM - 90 Shore A - Black - SES-580469 O-ring Black18.5 mm  x 1.9 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 407x3.5 Kalrez-FFKM - 90 Shore A - Black - SES-584648 O-ring Black408 mm  x 3.5 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 83.5x1.25 Kalrez-FFKM - 90 Shore A - Black - SES-741942 O-ring Black83.6 mm  x 1.25 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 15.6x3 Kalrez-FFKM - 90 Shore A - Black - SES-543473 O-ring Black15.6 mm  x 3 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 301x6 Kalrez-FFKM - 90 Shore A - Black - SES-547512 O-ring Black302 mm  x 6 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 97.54x2.39 Kalrez-FFKM - 90 Shore A - Black - SES-582535 O-ring Black97.55 mm  x 2.39 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 12.8x1.6 Kalrez-FFKM - 90 Shore A - Black - SES-739818 O-ring Black12.9 mm  x 1.6 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 292x8 Kalrez-FFKM - 90 Shore A - Black - SES-744052 O-ring Black292 mm  x 8 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 104.4x5.3 Kalrez-FFKM - 90 Shore A - Black - SES-545812 O-ring Black104.5 mm  x 5.3 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 23.7x2.8 Kalrez-FFKM - 90 Shore A - Black - SES-580766 O-ring Black23.8 mm  x 2.8 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 490x5.33 Kalrez-FFKM - 90 Shore A - Black - SES-584948 O-ring Black491 mm  x 5.33 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 101x0.3 Kalrez-FFKM - 90 Shore A - Black - SES-742244 O-ring Black101 mm  x 0.3 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 31.3x3.5 Kalrez-FFKM - 90 Shore A - Black - SES-544125 O-ring Black31.4 mm  x 3.5 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 470.4x6 Kalrez-FFKM - 90 Shore A - Black - SES-548233 O-ring Black470.5 mm  x 6 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 153.5x5 Kalrez-FFKM - 90 Shore A - Black - SES-583193 O-ring Black153.6 mm  x 5 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 28.17x3.73 Kalrez-FFKM - 90 Shore A - Black - SES-740567 O-ring Black28.18 mm  x 3.73 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 386x7.5 Kalrez-FFKM - 90 Shore A - Black - SES-744713 O-ring Black387 mm  x 7.5 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 126.5x3 Kalrez-FFKM - 90 Shore A - Black - SES-546114 O-ring Black126.6 mm  x 3 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 29.21x1.78 Kalrez-FFKM - 90 Shore A - Black - SES-581070 O-ring Black29.22 mm  x 1.78 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 570x5 Kalrez-FFKM - 90 Shore A - Black - SES-585253 O-ring Black571 mm  x 5 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 120x6.5 Kalrez-FFKM - 90 Shore A - Black - SES-742549 O-ring Black120 mm  x 6.5 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 119.4x3.1 Kalrez-FFKM - 90 Shore A - Black - SES-546005 O-ring Black119.5 mm  x 3.1 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 27.3x2.5 Kalrez-FFKM - 90 Shore A - Black - SES-580962 O-ring Black27.4 mm  x 2.5 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 538x5 Kalrez-FFKM - 90 Shore A - Black - SES-585148 O-ring Black539 mm  x 5 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 114x14 Kalrez-FFKM - 90 Shore A - Black - SES-742445 O-ring Black114 mm  x 14 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 29.3x3.6 Kalrez-FFKM - 90 Shore A - Black - SES-544061 O-ring Black29.4 mm  x 3.6 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 430.66x5.34 Kalrez-FFKM - 90 Shore A - Black - SES-548106 O-ring Black430.67 mm  x 5.34 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 147x3 Kalrez-FFKM - 90 Shore A - Black - SES-583133 O-ring Black147 mm  x 3 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 97x3 Kalrez-FFKM - 90 Shore A - Black - SES-545707 O-ring Black97 mm  x 3 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 22x2.4 Kalrez-FFKM - 90 Shore A - Black - SES-580666 O-ring Black22 mm  x 2.4 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 460x8.5 Kalrez-FFKM - 90 Shore A - Black - SES-584853 O-ring Black461 mm  x 8.5 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 95x15 Kalrez-FFKM - 90 Shore A - Black - SES-742152 O-ring Black95 mm  x 15 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 608.08x5.33 Kalrez-FFKM - 90 Shore A - Black - SES-541636 O-ring Black608.09 mm  x 5.33 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 202.7x6.99 Kalrez-FFKM - 90 Shore A - Black - SES-546867 O-ring Black202.8 mm  x 6.99 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 53.6x2.4 Kalrez-FFKM - 90 Shore A - Black - SES-581828 O-ring Black53.7 mm  x 2.4 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 4x8 Kalrez-FFKM - 90 Shore A - Black - SES-739175 O-ring Black4 mm  x 8 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 194.1x6.4 Kalrez-FFKM - 90 Shore A - Black - SES-743353 O-ring Black194.2 mm  x 6.4 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 132.95x3.53 Kalrez-FFKM - 90 Shore A - Black - SES-546197 O-ring Black132.96 mm  x 3.53 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon

To provide even greater thermal stability and solvent resistance, tetrafluoroethylene (TFE) containing fluoroelastomer terpolymers were introduced in 1959. The latest FKM polymers have a much broader fluids resistance profile than standard fluoroelastomers, and are able to withstand strong bases and ketones as well as aromatic hydrocarbons, oils, acids, and steam. In 1975 a new fluoroelastomer family was introduced by Asahi Glass Co., FEPM, based on an alternating copolymer of TFE and propylene. It is marketed under the trade name AFLAS®.

The chemical resistance and high-temperature stability is due to the bulkiness of the fluorine atoms, shielding the polymer backbone and carbon-fluor bond from attack, and the high bonding energy of the carbon-fluor bond.

FFKM gives the indication for the types of improved properties for different applications.


Material: Fluorocarbon elastomers
Fluorocarbon rubber is an elastomer

Fluorocarbon elastomers are highly fluorinated carbon-based polymers that are used in applications that must withstand aggressive chemical and ozone attacks.

In general, with increasing fluorine content, the resistance to chemical attack is improved, while the low temperature properties decrease. However, there are special quality fluorocarbons that do have a high fluorine content at low temperature properties.

Good qualities:

  • Chemical compatibility
  • Good temperature resistance
  • Low compression setting
  • Resistant to minerals, oils and fats
  • Good gas tightness
  • Excellent resistance to non-polar media
  • Excellent weather and aging stability
  • Very good oxygen and ozone stability
  • Operating temperature range from -26 °C to +205/230 °C (-15 °F to +400/440 °F)
  • When used briefly, the material can tolerate even higher temperatures
  • Special compounds with improved chemical resistance are available
  • Brake fluids based on glycol
  • Low molecular weight organic acids

FFKM
FFKM are perfluoroelastomeric compounds that contain an even greater amount of fluorine than FKMO fluoroelastomers.

FFKM have an improved resistance to high temperatures and chemicals and are even resistant to environments where oxygen plasma is present for many hours. Certain grades have a maximum continuous service temperature of 327 °C / 621 °F. They are often used to make o-rings and gaskets that are used to make o-rings and gaskets that are used in applications where contact with hydrocarbons or highly corrosive liquids the case, or when a wide temperature range is encountered.

On this page we offer our range of N9LT certified O-Rings. Search for your specific O ring by using the filters on the left of the page or take your time and browse our wide range of our products. When you can not find the product you are looking for in our N9LT certified made from FFKM, please send us a Direct Enquiry. Together we can discuss the specifications and find the right product for you.