FKM O-rings 55 Shore A

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The first FKM Fluor-elastomer found its way into the market in the 50s when there was need for high performance sealings in the aerospace industry. In that time FKM was developed by the company ‘Dupont’ and was brought to market under the trademark Viton®. The latest fluor-elastomers provide

FPM is the international abbreviation according to DIN/ISO, whereas FKM is the short form for the fluoroelastomer category according to the American standard ASTM. Viton® is the registered trade mark of DuPont Performance Elastomers, as is Tecnoflon® for Solvay Specialty Polymers, Dyneon™ for 3M Dyneon and DAI-EL™ for polymers supplied by Daikin.

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.

 

The origin of FPM/FKM Viton®

The first FKM fluoroelastomer found its way into the market in the 50s when there was need for high performance sealings in the aerospace industry. In that time FKM was developed by the company Dupont Performance Elastomers and was brought to market under the trademark Viton®. Nowadays, multiple company’s manufacture FKM and FPM fluoroelastomers.

Viton®, also known as FKM and FPM whereby FPM is the international name according to DIN/ISO, whereas FKM the short form is for the fluoroelastomer category according to the American standard ASTM.

Viton® is the registered trade mark of DuPont Performance Elastomers, as is Tecnoflon® for Solvay Specialty Polymers, Dyneon™ for 3M Dyneon and DAI-EL™ for polymers from Daikin. All these are brands for FPM/FKM polymers and all stand for one singe base material, which is fluoroelastomer.

What is Viton®?

This fluoroelastomer is used in multiple situations where O-rings need to be resistant to high temperatures and chemical attacks. The FPM/FKM Viton® sealing rings are often used in the aerospace, the automotive and other mechanical equipment requiring maximum resistance to high temperatures and all kinds of chemicals, fluids and other media.

What is Viton® used for?

  • O-rings
  • Gaskets
  • Seals
  • Tubing
  • Suitable for various industrial applications

The advantages of Viton®

  • Better able to withstand high temperature, while retaining its mechanical properties and its resistance to oil, chemicals and other fluids.
  • Depending on the grade the working temperature range is considered to be -26°C to +205°/230°C (-15°F to +400°/440°F).
  • It will take even higher temperatures if the working period is shorter.
  • Shockproof and resilient
  • Good chemical resistance
  • It has a high density
  • Sustainable

The downside of Viton®

  • Not resistant to superheated steam, low temperatures, polar solvents, brake fluids containing glycol and low molecular organic acids.

On this page we offer our range of 55 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 55 Shore A made from FKM, please send us a Direct Enquiry. Together we can discuss the specifications and find the right product for you.

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ProductDimensionsMaterialHardness (Shore A)CertificationStock
O-Ring 32.92 X 3.53 FKM-FPM55 Green O-ring Grün-Viton-FKM-FPM55 Shore A0 icon
O-Ring 102 X 4 FKM-FPM55 Black/Brown O-ring Schwarz/Braun-Viton-FKM-FPM55 Shore A0 icon
O-Ring 44 X 2 FKM-FPM55 Green O-ring Grün-Viton-FKM-FPM55 Shore A0 icon
O-Ring 304.39 X 3.53 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 304.17 X 5.33 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 17.17 X 1.78 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 29 X 3 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 13.94 X 2.62 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 44 X 5 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 150 X 7 FKM-FPM55 Green O-ring Grün-Viton-FKM-FPM55 Shore A0 icon
O-Ring 15.1 X 1.6 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 8.2 X 1.78 FKM-FPM55 Green O-ring Grün-Viton-FKM-FPM55 Shore A0 icon
O-Ring 380.37 X 6.99 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 28.3 X 1.78 FKM-FPM55 Green O-ring Grün-Viton-FKM-FPM55 Shore A0 icon
O-Ring 16 X 5 FKM-FPM55 Blue FDA O-ring BlauFDAViton-FKM-FPM55 Shore A0 icon
O-Ring 258 X 5.3 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 596 X 8.8 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 34.52 X 3.53 FKM-FPM55 Green O-ring Grün-Viton-FKM-FPM55 Shore A0 icon
O-Ring 15.88 X 2.62 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 9.5 X 1 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 14 X 3 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 180 X 3 FKM-FPM55 Red DVGW-Gasversorgung O-ring RotDVGW-GasViton-FKM-FPM55 Shore A0 icon
O-Ring 26.5 X 1.5 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 77.1 X 2.62 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 73.39 X 5.33 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 41 X 5 FKM-FPM55 Green O-ring Grün-Viton-FKM-FPM55 Shore A0 icon
O-Ring 102.5 X 1.6 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 25.8 X 2.65 FKM-FPM55 Green O-ring Grün-Viton-FKM-FPM55 Shore A0 icon
O-Ring 150 X 2 FKM-FPM55 Green O-ring Grün-Viton-FKM-FPM55 Shore A0 icon
O-Ring 53.57 X 3.53 FKM-FPM55 Green O-ring Grün-Viton-FKM-FPM55 Shore A0 icon
O-Ring 65 X 2 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 10 X 1.5 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 102.5 X 5.5 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 44 X 2.2 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 13.87 X 3.53 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 86 X 3.5 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 136 X 3 FKM-FPM55 Green O-ring Grün-Viton-FKM-FPM55 Shore A0 icon
O-Ring 367 X 5 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 300 X 6 FKM-FPM55 Black O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon
O-Ring 380 X 5 FKM-FPM54 O-ring Schwarz-Viton-FKM-FPM55 Shore A0 icon