FFKM O-rings EB794

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ProductDimensionsMaterialHardness (Shore A)CertificationStock
Placeholder O-ring White417 mm  x 6.5 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 119x7 Kalrez-FFKM - 70 Shore A - White - SES-808014 O-ring White119 mm  x 7 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 336x5 Kalrez-FFKM - 70 Shore A - White - SES-571489 O-ring White336 mm  x 5 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 97.5x6 Kalrez-FFKM - 70 Shore A - White - SES-807668 O-ring White97.6 mm  x 6 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 139x2.5 Kalrez-FFKM - 70 Shore A - White - SES-557936 O-ring White139 mm  x 2.5 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 46x1.9 Kalrez-FFKM - 70 Shore A - White - SES-568797 O-ring White46 mm  x 1.9 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 219.2x5.7 Kalrez-FFKM - 70 Shore A - White - SES-558719 O-ring White219.3 mm  x 5.7 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 508x5 Kalrez-FFKM - 70 Shore A - White - SES-572181 O-ring White509 mm  x 5 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 145.03x3.99 Kalrez-FFKM - 70 Shore A - White - SES-808341 O-ring White145.04 mm  x 3.99 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 28x2.6 Kalrez-FFKM - 70 Shore A - White - SES-555516 O-ring White28 mm  x 2.6 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
Placeholder O-ring White2.31 mm  x 1 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 272x3.53 Kalrez-FFKM - 70 Shore A - White - SES-571190 O-ring White272 mm  x 3.53 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 82.55x5.54 Kalrez-FFKM - 70 Shore A - White - SES-807406 O-ring White82.56 mm  x 5.54 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 113.97x2.62 Kalrez-FFKM - 70 Shore A - White - SES-557573 O-ring White113.98 mm  x 2.62 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 34.42x1.98 Kalrez-FFKM - 70 Shore A - White - SES-568455 O-ring White34.43 mm  x 1.98 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 482x4 Kalrez-FFKM - 70 Shore A - White - SES-572081 O-ring White483 mm  x 4 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 137.5x2.2 Kalrez-FFKM - 70 Shore A - White - SES-808239 O-ring White137.6 mm  x 2.2 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 387x4 Kalrez-FFKM - 70 Shore A - White - SES-571725 O-ring White387 mm  x 4 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 111.51x1.78 Kalrez-FFKM - 70 Shore A - White - SES-807883 O-ring White111.52 mm  x 1.78 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 10.1x1 Kalrez-FFKM - 70 Shore A - White - SES-554608 O-ring White10.2 mm  x 1 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 326x4 Kalrez-FFKM - 70 Shore A - White - SES-559437 O-ring White326 mm  x 4 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 105x4.5 Kalrez-FFKM - 70 Shore A - White - SES-569804 O-ring White105 mm  x 4.5 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 28x2.7 Kalrez-FFKM - 70 Shore A - White - SES-806031 O-ring White28 mm  x 2.7 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 20.5x2 Kalrez-FFKM - 70 Shore A - White - SES-555220 O-ring White20.5 mm  x 2 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 481x10 Kalrez-FFKM - 70 Shore A - White - SES-560057 O-ring White481 mm  x 10 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 506x5.33 Kalrez-FFKM - 70 Shore A - White - SES-560123 O-ring White506 mm  x 5.33 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 237x6 Kalrez-FFKM - 70 Shore A - White - SES-570975 O-ring White237 mm  x 6 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 67x6.5 Kalrez-FFKM - 70 Shore A - White - SES-807115 O-ring White67 mm  x 6.5 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 31.8x1.5 Kalrez-FFKM - 70 Shore A - White - SES-555648 O-ring White31.9 mm  x 1.5 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 3.8x2.6 Kalrez-FFKM - 70 Shore A - White - SES-566619 O-ring White3.8 mm  x 2.6 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 7.1x2 Kalrez-FFKM - 70 Shore A - White - SES-804908 O-ring White7.1 mm  x 2 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 307x6 Kalrez-FFKM - 70 Shore A - White - SES-809647 O-ring White308 mm  x 6 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 80x1.6 Kalrez-FFKM - 70 Shore A - White - SES-569460 O-ring White80 mm  x 1.6 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 19x0.6 Kalrez-FFKM - 70 Shore A - White - SES-805621 O-ring White19 mm  x 0.6 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 408x12 Kalrez-FFKM - 70 Shore A - White - SES-810344 O-ring White408 mm  x 12 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 63x3.55 Kalrez-FFKM - 70 Shore A - White - SES-556645 O-ring White63 mm  x 3.55 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 18x2.75 Kalrez-FFKM - 70 Shore A - White - SES-567602 O-ring White18 mm  x 2.75 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 34.69x5.33 Kalrez-FFKM - 70 Shore A - White - SES-568465 O-ring White34.70 mm  x 5.33 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 4.5x0.8 Kalrez-FFKM - 70 Shore A - White - SES-804688 O-ring White4.5 mm  x 0.8 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 263x6.5 Kalrez-FFKM - 70 Shore A - White - SES-809329 O-ring White264 mm  x 6.5 mm FFKM - FFPM70 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 B794 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 B794 certified made from FFKM, please send us a Direct Enquiry. Together we can discuss the specifications and find the right product for you.