EPDM O-rings 45 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 45 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 45 Shore A made from EPDM, please send us a Direct Enquiry. Together we can discuss the specifications and find the right product for you.

25 products
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ProductDimensionsMaterialHardness (Shore A)CertificationStock
O-Ring 55 X 1.5 EPDM-EP-EDT-EPR45 Black FDA O-ring Black55 x 1.5EPDM-EP-EDT-EPR0.059055 Shore AJa60 icon
O-Ring 225 X 6 EPDM-EP-EDT-EPR45 Black O-ring Black225 x 6EPDM-EP-EDT-EPR0.23622 Shore ANee52 icon
O-Ring 40 X 8 EPDM-EP-EDT-EPR45 Black O-ring Black40 x 8EPDM-EP-EDT-EPR0.31496 Shore ANee51 icon
O-Ring 520 X 10 EPDM-EP-EDT-EPR45 Black O-ring Black520 x 10EPDM-EP-EDT-EPR0.3937 Shore ANee58 icon
O-Ring 164.7 X 3.53 EPDM-EP-EDT-EPR45 Black O-ring Black164.7 x 3.53EPDM-EP-EDT-EPR0.1389761 Shore ANee52 icon
O-Ring 125 X 2.5 EPDM-EP-EDT-EPR45 Black O-ring Black125 x 2.5EPDM-EP-EDT-EPR0.098425 Shore ANee52 icon
O-Ring 243 X 4 EPDM-EP-EDT-EPR45 Black FDA O-ring Black243 x 4EPDM-EP-EDT-EPR0.15748 Shore AJa51 icon
O-Ring 17.17 X 1.78 EPDM-EP-EDT-EPR45 Black O-ring Black17.17 x 1.78EPDM-EP-EDT-EPR0.0700786 Shore ANee57 icon
O-Ring 44 X 3 EPDM-EP-EDT-EPR45 Black O-ring Black44 x 3EPDM-EP-EDT-EPR0.11811 Shore ANee53 icon
O-Ring 164 X 3 EPDM-EP-EDT-EPR45 Black FDA O-ring Black164 x 3EPDM-EP-EDT-EPR0.11811 Shore AJa51 icon
O-Ring 34.52 X 3.53 EPDM-EP-EDT-EPR45 Black O-ring Black34.52 x 3.53EPDM-EP-EDT-EPR0.1389761 Shore ANee58 icon
O-Ring 243 X 4 EPDM-EP-EDT-EPR45 Black O-ring Black243 x 4EPDM-EP-EDT-EPR0.15748 Shore ANee58 icon
O-Ring 48.9 X 5.33 EPDM-EP-EDT-EPR45 Black O-ring Black48.9 x 5.33EPDM-EP-EDT-EPR0.2098421 Shore ANee58 icon
O-Ring 14 X 3 EPDM-EP-EDT-EPR45 Black O-ring Black14 x 3EPDM-EP-EDT-EPR0.11811 Shore ANee52 icon
O-Ring 155 X 4 EPDM-EP-EDT-EPR45 Black O-ring Black155 x 4EPDM-EP-EDT-EPR0.15748 Shore ANee57 icon
O-Ring 12 X 3 EPDM-EP-EDT-EPR45 Black O-ring Black12 x 3EPDM-EP-EDT-EPR0.11811 Shore ANee51 icon
O-Ring 31.42 X 2.62 EPDM-EP-EDT-EPR45 Black O-ring Black31.42 x 2.62EPDM-EP-EDT-EPR0.1031494 Shore ANee50 icon
O-Ring 200 X 8 EPDM-EP-EDT-EPR45 Black O-ring Black200 x 8EPDM-EP-EDT-EPR0.31496 Shore ANee52 icon
O-Ring 61.9 X 3.53 EPM45 Black O-ring Black61.9 x 3.53EPMNee57 icon
O-Ring 278.77 X 6.99 EPM45 Black O-ring Black278.77 x 6.99EPMNee55 icon
O-Ring 80 X 4 EPDM-EP-EDT-EPR45 Black O-ring Black80 x 4EPDM-EP-EDT-EPR0.15748 Shore ANee53 icon
O-Ring 91.67 X 3.53 EPDM-EP-EDT-EPR45 Black O-ring Black91.67 x 3.53EPDM-EP-EDT-EPR0.1389761 Shore ANee59 icon
O-Ring 9 X 1.5 EPDM-EP-EDT-EPR45 Black KTW. W270. WCR O-ring Black9 x 1.5EPDM-EP-EDT-EPR0.059055 Shore AJa56 icon
O-Ring 8 X 2.4 EPDM-EP-EDT-EPR45 Black O-ring Black8 x 2.4EPDM-EP-EDT-EPR0.094488 Shore ANee56 icon
O-Ring 89.2 X 5.7 EPDM-EP-EDT-EPR45 Black O-ring Black89.2 x 5.7EPDM-EP-EDT-EPR0.224409 Shore ANee55 icon