FFKM O-rings EB794

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ProductDimensionsMaterialHardness (Shore A)CertificationStock
Placeholder O-ring White107 mm  x 2.1 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 17.25x1.98 Kalrez-FFKM - 70 Shore A - White - SES-805547 O-ring White17.25 mm  x 1.98 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
Placeholder O-ring White154.6 mm  x 10 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 29.2x4.7 Kalrez-FFKM - 70 Shore A - White - SES-806085 O-ring White29.3 mm  x 4.7 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 80x3.55 Kalrez-FFKM - 70 Shore A - White - SES-557015 O-ring White80 mm  x 3.55 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 14.6x2.3 Kalrez-FFKM - 70 Shore A - White - SES-567424 O-ring White14.7 mm  x 2.3 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 28.5x3.5 Kalrez-FFKM - 70 Shore A - White - SES-555538 O-ring White28.6 mm  x 3.5 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 409.3x5.7 Kalrez-FFKM - 70 Shore A - White - SES-559817 O-ring White409.4 mm  x 5.7 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 108x8 Kalrez-FFKM - 70 Shore A - White - SES-569853 O-ring White108 mm  x 8 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 17.5x3.15 Kalrez-FFKM - 70 Shore A - White - SES-805565 O-ring White17.5 mm  x 3.15 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 2.82x1.52 Kalrez-FFKM - 70 Shore A - White - SES-566538 O-ring White2.82 mm  x 1.52 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 207x5 Kalrez-FFKM - 70 Shore A - White - SES-570763 O-ring White208 mm  x 5 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 44.99x1.78 Kalrez-FFKM - 70 Shore A - White - SES-568774 O-ring White44.100 mm  x 1.78 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 2.49x0.3 Kalrez-FFKM - 70 Shore A - White - SES-804512 O-ring White2.49 mm  x 0.3 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 18.01x2 Kalrez-FFKM - 70 Shore A - White - SES-555087 O-ring White18.02 mm  x 2 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 317x3.53 Kalrez-FFKM - 70 Shore A - White - SES-559387 O-ring White317 mm  x 3.53 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 21x6.5 Kalrez-FFKM - 70 Shore A - White - SES-805734 O-ring White21 mm  x 6.5 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 348x9 Kalrez-FFKM - 70 Shore A - White - SES-809936 O-ring White349 mm  x 9 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 2.97x1.07 Kalrez-FFKM - 70 Shore A - White - SES-566554 O-ring White2.97 mm  x 1.07 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 209x9.7 Kalrez-FFKM - 70 Shore A - White - SES-570781 O-ring White209 mm  x 9.7 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 45.6x1.2 Kalrez-FFKM - 70 Shore A - White - SES-568790 O-ring White45.7 mm  x 1.2 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 2.59x1.3 Kalrez-FFKM - 70 Shore A - White - SES-804528 O-ring White2.59 mm  x 1.3 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 18.46x3.53 Kalrez-FFKM - 70 Shore A - White - SES-555104 O-ring White18.46 mm  x 3.53 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 319.5x8.4 Kalrez-FFKM - 70 Shore A - White - SES-559404 O-ring White319.6 mm  x 8.4 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 60.5x2.25 Kalrez-FFKM - 70 Shore A - White - SES-569141 O-ring White60.6 mm  x 2.25 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 6.71x0.81 Kalrez-FFKM - 70 Shore A - White - SES-804880 O-ring White6.72 mm  x 0.81 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
Placeholder O-ring White6.55 mm  x 2 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 219x3 Kalrez-FFKM - 70 Shore A - White - SES-558716 O-ring White219 mm  x 3 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 395x8.6 Kalrez-FFKM - 70 Shore A - White - SES-810240 O-ring White396 mm  x 8.6 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 42.93x1.27 Kalrez-FFKM - 70 Shore A - White - SES-556040 O-ring White42.94 mm  x 1.27 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 2.17x1.4 Kalrez-FFKM - 70 Shore A - White - SES-566483 O-ring White2.18 mm  x 1.4 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 189.31x5.69 Kalrez-FFKM - 70 Shore A - White - SES-570641 O-ring White189.32 mm  x 5.69 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 38x2.7 Kalrez-FFKM - 70 Shore A - White - SES-806368 O-ring White38 mm  x 2.7 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 429x7 Kalrez-FFKM - 70 Shore A - White - SES-810480 O-ring White430 mm  x 7 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 61.5x7.5 Kalrez-FFKM - 70 Shore A - White - SES-569157 O-ring White61.6 mm  x 7.5 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 7x0.5 Kalrez-FFKM - 70 Shore A - White - SES-804896 O-ring White7 mm  x 0.5 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 7x2.5 Kalrez-FFKM - 70 Shore A - White - SES-554423 O-ring White7 mm  x 2.5 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 220x10 Kalrez-FFKM - 70 Shore A - White - SES-558732 O-ring White221 mm  x 10 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 398x3 Kalrez-FFKM - 70 Shore A - White - SES-810256 O-ring White399 mm  x 3 mm FFKM - FFPM70 Shore A Jaicon-bekijk icon
O-Ring 43.55x3.55 Kalrez-FFKM - 70 Shore A - White - SES-556056 O-ring White43.56 mm  x 3.55 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.