EPDM O-rings 55 Shore A

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What is EPDM?

EPDM is the abbreviation of Ethylene, Propylene, Diene and Monomer and is a group of synthetic rubbers of elastomers. It’s made through the polymerization of tene, propene and a diene, this is an unsaturated hydrocarbon with two double bonds.

This makes EPDM a terpolymer, this is a polymer obtained from three monomers.

EPDM rubber has been used since around 1963 and finds many applications in, for example, construction (roof sealing), the automotive sector (sealing rings, sealing strips on windows and doors), belts, conveyor belts and hoses (for example garden hoses), electrical insulation, pond liner and so on. EPDM is marketed under multiple brand names. EPDM roof coverings can be installed fire-proof in accordance with NEN6050. In the Netherlands, roofing systems must comply with the BroofT1 qualification, which means that an EPDM roofing film must be applied that is fly-proof. EPDM pond liner does not meet this requirement.

The ratio between the amounts of the different monomers used largely determines the properties of the EPDM polymer. The ethylene content can vary from around 45 to 80%. Lower ethylene levels yield a rather amorphous polymer; higher ethylene levels a more crystalline polymer. The diene content can range from approximately 1 to 10/12%. With a higher diene content, a higher degree of vulcanization can be obtained, i.e. a "firmer" rubber.

What is EPDM used for?

  • In construction
  • Roof covering
  • Automotive
  • Conveyor belts
  • Sealing
  • Hoses

The advantages of EPDM:

  • It has a temperature working range from -75 °C to +125 °C
  • It is flexible and ages hardly
  • Good resistance to many acids
  • Excellent resistance to heat, water and steam

The downside of EPDM:

  • Not resistant to chlorine
  • It’s not recommended for use in conditions with gasoline, petroleum, fats and hydrocarbon environments

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 EPDM, 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 13.95 X 2.62 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 1.07 X 1.27 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 212 X 5 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 44 X 2 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 192 X 4 EPDM-EP-EDT-EPR55 Black KTW, W270, WCR O-ring SchwarzKTW, W270, WCREPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 5.8 X 0.9 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 417.96 X 6.99 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 43 X 4 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 22 X 1 EPDM-EP-EDT-EPR55 Violett O-ring Lila-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 171.04 X 3.53 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 33.05 X 1.78 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 150 X 5 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 40 X 4 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 350 X 5 EPDM-EP-EDT-EPR55 Black FDA O-ring SchwarzFDAEPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 207 X 9 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 37 X 4 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 162 X 4 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 1.78 X 1.78 EPDM-EP-EDT-EPR55 Black FDA O-ring SchwarzFDAEPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 100.97 X 5.33 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 110 X 5 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 36 X 7 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 305 X 3 EPDM-EP-EDT-EPR55 Black FDA O-ring SchwarzFDAEPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 32.69 X 5.33 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 36.1 X 3.53 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 371 X 8 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 171.12 X 2.62 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 105 X 3 EPDM-EP-EDT-EPR55 Black FDA O-ring SchwarzFDAEPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 585 X 10 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 30 X 2.2 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 247.25 X 3.53 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 25 X 2 EPDM-EP-EDT-EPR55 Black KTW, W270, WCR O-ring SchwarzKTW, W270, WCREPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 29.87 X 1.78 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 30 X 2.5 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 34 X 2 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 370 X 5.5 EPDM-EP-EDT-EPR55 Black FDA O-ring SchwarzFDAEPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 32 X 4 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 33 X 3 EPDM-EP-EDT-EPR55 Black O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 203 X 3 EPDM-EP-EDT-EPR55 Black FDA O-ring SchwarzFDAEPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 34 X 3 EPDM-EP-EDT-EPR55 Black KTW O-ring SchwarzKTWEPDM-EP-EDT-EPR55 Shore A0 icon
O-Ring 350 X 3 EPDM-EP-EDT-EPR54 O-ring Schwarz-EPDM-EP-EDT-EPR55 Shore A0 icon