FFKM O-rings 60 Shore A

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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 60 Shore A 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 60 Shore A made from FFKM, please send us a Direct Enquiry. Together we can discuss the specifications and find the right product for you.

54 products
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ProductDimensionsMaterialHardness (Shore A)CertificationStock
O-Ring 37.3x4 Kalrez-FFKM - 60 Shore A - Black - SES-633604 O-ring BlackXFFKM - FFPM60 Shore A57 icon
O-Ring 34.6x1.78 Kalrez-FFKM - 60 Shore A - Black - SES-633402 O-ring BlackXFFKM - FFPM60 Shore A59 icon
O-Ring 263x3.53 Kalrez-FFKM - 60 Shore A - Black - SES-639360 O-ring BlackXFFKM - FFPM60 Shore A57 icon
O-Ring 469x8 Kalrez-FFKM - 60 Shore A - Black - SES-641253 O-ring BlackXFFKM - FFPM60 Shore A57 icon
O-Ring 32.7x3 Kalrez-FFKM - 60 Shore A - Black - SES-633257 O-ring BlackXFFKM - FFPM60 Shore A51 icon
O-Ring 257x6 Kalrez-FFKM - 60 Shore A - Black - SES-639284 O-ring BlackXFFKM - FFPM60 Shore A58 icon
O-Ring 292x3 Kalrez-FFKM - 60 Shore A - Black - SES-639714 O-ring BlackXFFKM - FFPM60 Shore A51 icon
O-Ring 533x6 Kalrez-FFKM - 60 Shore A - Black - SES-641654 O-ring BlackXFFKM - FFPM60 Shore A57 icon
O-Ring 35.7x2 Kalrez-FFKM - 60 Shore A - Black - SES-633476 O-ring BlackXFFKM - FFPM60 Shore A56 icon
O-Ring 279.5x8.4 Kalrez-FFKM - 60 Shore A - Black - SES-639562 O-ring BlackXFFKM - FFPM60 Shore A59 icon
O-Ring 512x5.33 Kalrez-FFKM - 60 Shore A - Black - SES-641529 O-ring BlackXFFKM - FFPM60 Shore A55 icon
O-Ring 254x4 Kalrez-FFKM - 60 Shore A - Black - SES-639249 O-ring BlackXFFKM - FFPM60 Shore A54 icon
O-Ring 295x5.3 Kalrez-FFKM - 60 Shore A - Black - SES-639745 O-ring BlackXFFKM - FFPM60 Shore A50 icon
O-Ring 34x7 Kalrez-FFKM - 60 Shore A - Black - SES-633363 O-ring BlackXFFKM - FFPM60 Shore A59 icon
O-Ring 278.77x5.33 Kalrez-FFKM - 60 Shore A - Black - SES-639541 O-ring BlackXFFKM - FFPM60 Shore A55 icon
O-Ring 520x5.33 Kalrez-FFKM - 60 Shore A - Black - SES-641568 O-ring BlackXFFKM - FFPM60 Shore A50 icon
O-Ring 35x2.2 Kalrez-FFKM - 60 Shore A - Black - SES-633423 O-ring BlackXFFKM - FFPM60 Shore A59 icon
O-Ring 280x3 Kalrez-FFKM - 60 Shore A - Black - SES-639566 O-ring BlackXFFKM - FFPM60 Shore A50 icon
O-Ring 532.18x5.33 Kalrez-FFKM - 60 Shore A - Black - SES-641644 O-ring BlackXFFKM - FFPM60 Shore A58 icon
O-Ring 33.7x3 Kalrez-FFKM - 60 Shore A - Black - SES-633330 O-ring BlackXFFKM - FFPM60 Shore A50 icon
O-Ring 279x6.9 Kalrez-FFKM - 60 Shore A - Black - SES-639554 O-ring BlackXFFKM - FFPM60 Shore A59 icon
O-Ring 36.9x1.2 Kalrez-FFKM - 60 Shore A - Black - SES-633565 O-ring BlackXFFKM - FFPM60 Shore A52 icon
O-Ring 299x8 Kalrez-FFKM - 60 Shore A - Black - SES-639784 O-ring BlackXFFKM - FFPM60 Shore A60 icon
O-Ring 265x2.5 Kalrez-FFKM - 60 Shore A - Black - SES-639382 O-ring BlackXFFKM - FFPM60 Shore A60 icon
O-Ring 530x5 Kalrez-FFKM - 60 Shore A - Black - SES-641623 O-ring BlackXFFKM - FFPM60 Shore A51 icon
O-Ring 47.5x3.15 Kalrez-FFKM - 60 Shore A - Black - SES-634233 O-ring BlackXFFKM - FFPM60 Shore A58 icon
O-Ring 475x7 Kalrez-FFKM - 60 Shore A - Black - SES-641293 O-ring BlackXFFKM - FFPM60 Shore A57 icon
O-Ring 259x5 Kalrez-FFKM - 60 Shore A - Black - SES-639308 O-ring BlackXFFKM - FFPM60 Shore A59 icon
O-Ring 524x5 Kalrez-FFKM - 60 Shore A - Black - SES-641589 O-ring BlackXFFKM - FFPM60 Shore A51 icon
O-Ring 258x5 Kalrez-FFKM - 60 Shore A - Black - SES-639296 O-ring BlackXFFKM - FFPM60 Shore A56 icon
O-Ring 33x1.5 Kalrez-FFKM - 60 Shore A - Black - SES-633271 O-ring BlackXFFKM - FFPM60 Shore A54 icon
O-Ring 297x7 Kalrez-FFKM - 60 Shore A - Black - SES-639766 O-ring BlackXFFKM - FFPM60 Shore A55 icon
O-Ring 271x5 Kalrez-FFKM - 60 Shore A - Black - SES-639465 O-ring BlackXFFKM - FFPM60 Shore A51 icon
O-Ring 273x4 Kalrez-FFKM - 60 Shore A - Black - SES-639488 O-ring BlackXFFKM - FFPM60 Shore A57 icon
O-Ring 290x8.5 Kalrez-FFKM - 60 Shore A - Black - SES-639687 O-ring BlackXFFKM - FFPM60 Shore A56 icon
O-Ring 285x5.34 Kalrez-FFKM - 60 Shore A - Black - SES-639626 O-ring BlackXFFKM - FFPM60 Shore A52 icon
O-Ring 36x2.65 Kalrez-FFKM - 60 Shore A - Black - SES-633496 O-ring BlackXFFKM - FFPM60 Shore A50 icon
O-Ring 35.4x3.2 Kalrez-FFKM - 60 Shore A - Black - SES-633457 O-ring BlackXFFKM - FFPM60 Shore A57 icon
O-Ring 251x10 Kalrez-FFKM - 60 Shore A - Black - SES-639213 O-ring BlackXFFKM - FFPM60 Shore A54 icon
O-Ring 32.5x2.2 Kalrez-FFKM - 60 Shore A - Black - SES-633238 O-ring BlackXFFKM - FFPM60 Shore A59 icon