FFKM O-rings EN896

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ProductDimensionsMaterialHardness (Shore A)CertificationStock
O-Ring 55x10 Kalrez-FFKM - 75 Shore A - Black - SES-562540 O-ring Black55 mm  x 10 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 8x3.31 Kalrez-FFKM - 75 Shore A - Black - SES-573361 O-ring Black8 mm  x 3.31 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 56x3.5 Kalrez-FFKM - 75 Shore A - Black - SES-562566 O-ring Black56 mm  x 3.5 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 8.4x2.5 Kalrez-FFKM - 75 Shore A - Black - SES-573387 O-ring Black8.4 mm  x 2.5 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 264x6 Kalrez-FFKM - 75 Shore A - Black - SES-577564 O-ring Black265 mm  x 6 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 57.04x1.6 Kalrez-FFKM - 75 Shore A - Black - SES-728171 O-ring Black57.05 mm  x 1.6 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 5x4 Kalrez-FFKM - 75 Shore A - Black - SES-560419 O-ring Black5 mm  x 4 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 212x7 Kalrez-FFKM - 75 Shore A - Black - SES-564770 O-ring Black212 mm  x 7 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 57.53x7.11 Kalrez-FFKM - 75 Shore A - Black - SES-575496 O-ring Black57.54 mm  x 7.11 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 5.99x1.98 Kalrez-FFKM - 75 Shore A - Black - SES-726102 O-ring Black5.99 mm  x 1.98 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 5.5x2.5 Kalrez-FFKM - 75 Shore A - Black - SES-560442 O-ring Black5.5 mm  x 2.5 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 215.37x5.33 Kalrez-FFKM - 75 Shore A - Black - SES-564793 O-ring Black215.38 mm  x 5.33 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 58.8x3.1 Kalrez-FFKM - 75 Shore A - Black - SES-575523 O-ring Black58.9 mm  x 3.1 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 6.07x1.96 Kalrez-FFKM - 75 Shore A - Black - SES-726128 O-ring Black6.07 mm  x 1.96 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 53.1x3 Kalrez-FFKM - 75 Shore A - Black - SES-562475 O-ring Black53.2 mm  x 3 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
Placeholder O-ring Black7.38 mm  x 1.78 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 251x5 Kalrez-FFKM - 75 Shore A - Black - SES-577481 O-ring Black252 mm  x 5 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 53.24x1.8 Kalrez-FFKM - 75 Shore A - Black - SES-728088 O-ring Black53.25 mm  x 1.8 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 496x8 Kalrez-FFKM - 75 Shore A - Black - SES-732252 O-ring Black497 mm  x 8 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 495.3x12.7 Kalrez-FFKM - 75 Shore A - Black - SES-732246 O-ring Black495.4 mm  x 12.7 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 12.7x2.62 Kalrez-FFKM - 75 Shore A - Black - SES-560857 O-ring Black12.7 mm  x 2.62 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 276x4 Kalrez-FFKM - 75 Shore A - Black - SES-565210 O-ring Black276 mm  x 4 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 82.87x5.33 Kalrez-FFKM - 75 Shore A - Black - SES-575932 O-ring Black82.88 mm  x 5.33 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 11.8x2.5 Kalrez-FFKM - 75 Shore A - Black - SES-726534 O-ring Black11.9 mm  x 2.5 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 275x10 Kalrez-FFKM - 75 Shore A - Black - SES-730709 O-ring Black276 mm  x 10 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
Placeholder O-ring Black142.25 mm  x 5.33 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 35.3x4.5 Kalrez-FFKM - 75 Shore A - Black - SES-574905 O-ring Black35.4 mm  x 4.5 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 698.12x7 Kalrez-FFKM - 75 Shore A - Black - SES-579084 O-ring Black698.13 mm  x 7 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 150x21 Kalrez-FFKM - 75 Shore A - Black - SES-729689 O-ring Black150 mm  x 21 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 15x2.7 Kalrez-FFKM - 75 Shore A - Black - SES-560985 O-ring Black15 mm  x 2.7 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 298x4 Kalrez-FFKM - 75 Shore A - Black - SES-565338 O-ring Black299 mm  x 4 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 18.29x1.27 Kalrez-FFKM - 75 Shore A - Black - SES-561194 O-ring Black18.30 mm  x 1.27 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 329x10 Kalrez-FFKM - 75 Shore A - Black - SES-565542 O-ring Black329 mm  x 10 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 106x8 Kalrez-FFKM - 75 Shore A - Black - SES-576251 O-ring Black106 mm  x 8 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 17.5x0.5 Kalrez-FFKM - 75 Shore A - Black - SES-726854 O-ring Black17.5 mm  x 0.5 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 321x5.33 Kalrez-FFKM - 75 Shore A - Black - SES-731034 O-ring Black322 mm  x 5.33 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 149.2x5.33 Kalrez-FFKM - 75 Shore A - Black - SES-564191 O-ring Black149.3 mm  x 5.33 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 37.7x3.53 Kalrez-FFKM - 75 Shore A - Black - SES-575003 O-ring Black37.8 mm  x 3.53 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 830x6 Kalrez-FFKM - 75 Shore A - Black - SES-579186 O-ring Black831 mm  x 6 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 160x7.5 Kalrez-FFKM - 75 Shore A - Black - SES-729794 O-ring Black161 mm  x 7.5 mm FFKM - FFPM75 Shore A Neeicon-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 N896 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 N896 certified made from FFKM, please send us a Direct Enquiry. Together we can discuss the specifications and find the right product for you.