FFKM O-rings EN9LT

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ProductDimensionsMaterialHardness (Shore A)CertificationStock
O-Ring 430x10 Kalrez-FFKM - 90 Shore A - Black - SES-548104 O-ring Black430 mm  x 10 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 2.6x1.4 Kalrez-FFKM - 90 Shore A - Black - SES-579350 O-ring Black2.6 mm  x 1.4 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 8.25x1.63 Kalrez-FFKM - 90 Shore A - Black - SES-579799 O-ring Black8.25 mm  x 1.63 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 16x6 Kalrez-FFKM - 90 Shore A - Black - SES-543507 O-ring Black16 mm  x 6 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 19.99x2.62 Kalrez-FFKM - 90 Shore A - Black - SES-543704 O-ring Black19.100 mm  x 2.62 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 27.7x3.5 Kalrez-FFKM - 90 Shore A - Black - SES-544006 O-ring Black27.8 mm  x 3.5 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 34x6 Kalrez-FFKM - 90 Shore A - Black - SES-544218 O-ring Black34 mm  x 6 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 41x3 Kalrez-FFKM - 90 Shore A - Black - SES-544452 O-ring Black41 mm  x 3 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 47.14x6.02 Kalrez-FFKM - 90 Shore A - Black - SES-544646 O-ring Black47.15 mm  x 6.02 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 58.75x3.53 Kalrez-FFKM - 90 Shore A - Black - SES-544961 O-ring Black58.76 mm  x 3.53 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 77.69x3.53 Kalrez-FFKM - 90 Shore A - Black - SES-545368 O-ring Black77.70 mm  x 3.53 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 26x1.5 Kalrez-FFKM - 90 Shore A - Black - SES-543954 O-ring Black26 mm  x 1.5 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 33.5x3.55 Kalrez-FFKM - 90 Shore A - Black - SES-544202 O-ring Black33.6 mm  x 3.55 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 16.81x5.33 Kalrez-FFKM - 90 Shore A - Black - SES-541295 O-ring Black16.82 mm  x 5.33 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 40x2 Kalrez-FFKM - 90 Shore A - Black - SES-544417 O-ring Black40 mm  x 2 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 3x1.5 Kalrez-FFKM - 90 Shore A - Black - SES-542794 O-ring Black3 mm  x 1.5 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 96x5 Kalrez-FFKM - 90 Shore A - Black - SES-545703 O-ring Black96 mm  x 5 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 47x2.5 Kalrez-FFKM - 90 Shore A - Black - SES-544638 O-ring Black47 mm  x 2.5 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 8.5x3.55 Kalrez-FFKM - 90 Shore A - Black - SES-543072 O-ring Black8.5 mm  x 3.55 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 59.4x3.1 Kalrez-FFKM - 90 Shore A - Black - SES-544976 O-ring Black59.5 mm  x 3.1 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 13.1x1.3 Kalrez-FFKM - 90 Shore A - Black - SES-543327 O-ring Black13.2 mm  x 1.3 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 82.5x3.55 Kalrez-FFKM - 90 Shore A - Black - SES-545455 O-ring Black82.6 mm  x 3.55 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 17.8x1.8 Kalrez-FFKM - 90 Shore A - Black - SES-543593 O-ring Black17.9 mm  x 1.8 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 103x4 Kalrez-FFKM - 90 Shore A - Black - SES-545795 O-ring Black103 mm  x 4 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 23.2x5.3 Kalrez-FFKM - 90 Shore A - Black - SES-543844 O-ring Black23.3 mm  x 5.3 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 130x5.3 Kalrez-FFKM - 90 Shore A - Black - SES-546166 O-ring Black130 mm  x 5.3 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 136x3.5 Kalrez-FFKM - 90 Shore A - Black - SES-546240 O-ring Black136 mm  x 3.5 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 33x2.65 Kalrez-FFKM - 90 Shore A - Black - SES-544184 O-ring Black33 mm  x 2.65 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 159.2x5.7 Kalrez-FFKM - 90 Shore A - Black - SES-546501 O-ring Black159.3 mm  x 5.7 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 39x2.5 Kalrez-FFKM - 90 Shore A - Black - SES-544382 O-ring Black39 mm  x 2.5 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 209.3x5.7 Kalrez-FFKM - 90 Shore A - Black - SES-546922 O-ring Black209.4 mm  x 5.7 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 44.7x2.4 Kalrez-FFKM - 90 Shore A - Black - SES-544570 O-ring Black44.7 mm  x 2.4 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 37.49x1.8 Kalrez-FFKM - 90 Shore A - Black - SES-544334 O-ring Black37.50 mm  x 1.8 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 56.16x5.33 Kalrez-FFKM - 90 Shore A - Black - SES-544912 O-ring Black56.17 mm  x 5.33 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 80x2.65 Kalrez-FFKM - 90 Shore A - Black - SES-545407 O-ring Black80 mm  x 2.65 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 107x3.5 Kalrez-FFKM - 90 Shore A - Black - SES-545839 O-ring Black107 mm  x 3.5 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 140.5x4 Kalrez-FFKM - 90 Shore A - Black - SES-546301 O-ring Black140.6 mm  x 4 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 170.69x1.78 Kalrez-FFKM - 90 Shore A - Black - SES-546623 O-ring Black170.70 mm  x 1.78 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 236x3.55 Kalrez-FFKM - 90 Shore A - Black - SES-547102 O-ring Black237 mm  x 3.55 mm FFKM - FFPM90 Shore A Jaicon-bekijk icon
O-Ring 285.1x6.99 Kalrez-FFKM - 90 Shore A - Black - SES-547413 O-ring Black285.2 mm  x 6.99 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.