FFKM O-rings EN896

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ProductDimensionsMaterialHardness (Shore A)CertificationStock
O-Ring 246.56x5.38 Kalrez-FFKM - 75 Shore A - Black - SES-565007 O-ring Black246.57 mm  x 5.38 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 9.93x6.43 Kalrez-FFKM - 75 Shore A - Black - SES-573521 O-ring Black9.94 mm  x 6.43 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 336x5 Kalrez-FFKM - 75 Shore A - Black - SES-577908 O-ring Black336 mm  x 5 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 59x4 Kalrez-FFKM - 75 Shore A - Black - SES-562635 O-ring Black59 mm  x 4 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 10.3x1.7 Kalrez-FFKM - 75 Shore A - Black - SES-573546 O-ring Black10.3 mm  x 1.7 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 342.3x7 Kalrez-FFKM - 75 Shore A - Black - SES-577935 O-ring Black342.4 mm  x 7 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 78.8x5.1 Kalrez-FFKM - 75 Shore A - Black - SES-728617 O-ring Black78.9 mm  x 5.1 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 82.15x3.53 Kalrez-FFKM - 75 Shore A - Black - SES-563156 O-ring Black82.16 mm  x 3.53 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 18.7x3 Kalrez-FFKM - 75 Shore A - Black - SES-574062 O-ring Black18.8 mm  x 3 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 463x10 Kalrez-FFKM - 75 Shore A - Black - SES-578446 O-ring Black463 mm  x 10 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 108.5x5.8 Kalrez-FFKM - 75 Shore A - Black - SES-729131 O-ring Black108.6 mm  x 5.8 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 36.5x3.75 Kalrez-FFKM - 75 Shore A - Black - SES-727618 O-ring Black36.6 mm  x 3.75 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 464x8 Kalrez-FFKM - 75 Shore A - Black - SES-732006 O-ring Black465 mm  x 8 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 18.5x1 Kalrez-FFKM - 75 Shore A - Black - SES-561204 O-ring Black18.5 mm  x 1 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 359.3x5.7 Kalrez-FFKM - 75 Shore A - Black - SES-565703 O-ring Black359.4 mm  x 5.7 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 131x4.5 Kalrez-FFKM - 75 Shore A - Black - SES-576552 O-ring Black131 mm  x 4.5 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 406x8 Kalrez-FFKM - 75 Shore A - Black - SES-731616 O-ring Black406 mm  x 8 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 54.5x5.3 Kalrez-FFKM - 75 Shore A - Black - SES-562522 O-ring Black54.6 mm  x 5.3 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 9x3.55 Kalrez-FFKM - 75 Shore A - Black - SES-573440 O-ring Black9 mm  x 3.55 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 318x3.5 Kalrez-FFKM - 75 Shore A - Black - SES-577829 O-ring Black318 mm  x 3.5 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 180x5.3 Kalrez-FFKM - 75 Shore A - Black - SES-564503 O-ring Black181 mm  x 5.3 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 52.9x5.7 Kalrez-FFKM - 75 Shore A - Black - SES-575391 O-ring Black52.10 mm  x 5.7 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 6.3x2.6 Kalrez-FFKM - 75 Shore A - Black - SES-726148 O-ring Black6.3 mm  x 2.6 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 240.89x3.91 Kalrez-FFKM - 75 Shore A - Black - SES-730466 O-ring Black240.90 mm  x 3.91 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
Placeholder O-ring Black43 mm  x 5.5 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 3.5x1.25 Kalrez-FFKM - 75 Shore A - Black - SES-725903 O-ring Black3.5 mm  x 1.25 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
Placeholder O-ring Black207.6 mm  x 7.5 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
Placeholder O-ring Black38 mm  x 1.5 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 11.86x2.62 Kalrez-FFKM - 75 Shore A - Black - SES-560799 O-ring Black11.87 mm  x 2.62 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 296x3 Kalrez-FFKM - 75 Shore A - Black - SES-565329 O-ring Black297 mm  x 3 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 14.48x3.1 Kalrez-FFKM - 75 Shore A - Black - SES-573835 O-ring Black14.49 mm  x 3.1 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 405x4 Kalrez-FFKM - 75 Shore A - Black - SES-578223 O-ring Black405 mm  x 4 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 168x3.5 Kalrez-FFKM - 75 Shore A - Black - SES-564389 O-ring Black168 mm  x 3.5 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
Placeholder O-ring Black14.8 mm  x 1.9 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 410x4.5 Kalrez-FFKM - 75 Shore A - Black - SES-578241 O-ring Black410 mm  x 4.5 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 95.5x4 Kalrez-FFKM - 75 Shore A - Black - SES-728930 O-ring Black95.6 mm  x 4 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 197x7 Kalrez-FFKM - 75 Shore A - Black - SES-564646 O-ring Black197 mm  x 7 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
Placeholder O-ring Black492 mm  x 4 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
O-Ring 193.7x7 Kalrez-FFKM - 75 Shore A - Black - SES-577099 O-ring Black193.8 mm  x 7 mm FFKM - FFPM75 Shore A Neeicon-bekijk icon
Placeholder O-ring Black41.4 mm  x 1.6 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.