EPDM O-rings 90 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 90 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 90 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 116 X 3 EPDM-EP-EDT-EPR90 Black FDA O-ring Black116 x 3EPDM-EP-EDT-EPR90 Shore AJa54 icon
O-Ring 119.2 X 5.7 EPDM-EP-EDT-EPR90 Black O-ring Black119.2 x 5.7EPDM-EP-EDT-EPR90 Shore ANee54 icon
O-Ring 120.02 X 6.99 EPDM-EP-EDT-EPR90 Black O-ring Black120.02 x 6.99EPDM-EP-EDT-EPR90 Shore ANee56 icon
O-Ring 135 X 2.5 EPDM-EP-EDT-EPR90 Black O-ring Black135 x 2.5EPDM-EP-EDT-EPR90 Shore ANee53 icon
O-Ring 109.2 X 5.7 EPDM-EP-EDT-EPR90 Black O-ring Black109.2 x 5.7EPDM-EP-EDT-EPR90 Shore ANee52 icon
O-Ring 115 X 6 EPDM-EP-EDT-EPR90 Black FDA O-ring Black115 x 6EPDM-EP-EDT-EPR90 Shore AJa53 icon
O-Ring 239.3 X 5.7 EPDM-EP-EDT-EPR90 Black O-ring Black239.3 x 5.7EPDM-EP-EDT-EPR90 Shore ANee57 icon
O-Ring 24.99 X 3.53 EPDM-EP-EDT-EPR90 Black O-ring Black24.99 x 3.53EPDM-EP-EDT-EPR90 Shore ANee57 icon
O-Ring 25.5 X 3 EPDM-EP-EDT-EPR90 Black O-ring Black25.5 x 3EPDM-EP-EDT-EPR90 Shore ANee53 icon
O-Ring 23.52 X 1.78 EPDM-EP-EDT-EPR90 Black O-ring Black23.52 x 1.78EPDM-EP-EDT-EPR90 Shore ANee60 icon
O-Ring 255 X 5 EPDM-EP-EDT-EPR95 Black KTW. W270. WCR O-ring Black255 x 5EPDM-EP-EDT-EPR95 Shore AJa51 icon
O-Ring 272 X 4 EPDM-EP-EDT-EPR95 Black FDA O-ring Black272 x 4EPDM-EP-EDT-EPR95 Shore AJa58 icon
O-Ring 160 X 2.5 EPDM-EP-EDT-EPR90 Black O-ring Black160 x 2.5EPDM-EP-EDT-EPR90 Shore ANee59 icon
O-Ring 164 X 3 EPDM-EP-EDT-EPR95 Black O-ring Black164 x 3EPDM-EP-EDT-EPR95 Shore ANee57 icon
O-Ring 17 X 2 EPDM-EP-EDT-EPR90 Black O-ring Black17 x 2EPDM-EP-EDT-EPR90 Shore ANee55 icon
O-Ring 18 X 3.5 EPDM-EP-EDT-EPR90 Black O-ring Black18 x 3.5EPDM-EP-EDT-EPR90 Shore ANee55 icon
O-Ring 18.64 X 3.53 EPDM-EP-EDT-EPR90 Black FDA O-ring Black18.64 x 3.53EPDM-EP-EDT-EPR90 Shore AJa60 icon
O-Ring 182 X 2.5 EPDM-EP-EDT-EPR90 Black O-ring Black182 x 2.5EPDM-EP-EDT-EPR90 Shore ANee51 icon
O-Ring 475 X 8 EPDM-EP-EDT-EPR95 Black O-ring Black475 x 8EPDM-EP-EDT-EPR95 Shore ANee59 icon
O-Ring 48.9 X 2.62 EPDM-EP-EDT-EPR90 Black FDA O-ring Black48.9 x 2.62EPDM-EP-EDT-EPR90 Shore AJa59 icon
O-Ring 50 X 3 EPDM-EP-EDT-EPR95 Black O-ring Black50 x 3EPDM-EP-EDT-EPR95 Shore ANee60 icon
O-Ring 582.68 X 5.33 EPDM-EP-EDT-EPR90 Black O-ring Black582.68 x 5.33EPDM-EP-EDT-EPR90 Shore ANee51 icon
O-Ring 1.42 X 1.52 EPDM-EP-EDT-EPR95 Black O-ring Black1.42 x 1.52EPDM-EP-EDT-EPR95 Shore ANee55 icon
O-Ring 4.6 X 2.4 EPDM-EP-EDT-EPR95 Black O-ring Black4.6 x 2.4EPDM-EP-EDT-EPR95 Shore ANee51 icon
O-Ring 40.87 X 3.53 EPDM-EP-EDT-EPR90 Black FDA O-ring Black40.87 x 3.53EPDM-EP-EDT-EPR90 Shore AJa53 icon
O-Ring 400 X 10 EPDM-EP-EDT-EPR95 Black O-ring Black400 x 10EPDM-EP-EDT-EPR95 Shore ANee51 icon
O-Ring 35 X 3.5 EPDM-EP-EDT-EPR90 Black O-ring Black35 x 3.5EPDM-EP-EDT-EPR90 Shore ANee57 icon
O-Ring 355.19 X 3.53 EPDM-EP-EDT-EPR95 Black FDA O-ring Black355.19 x 3.53EPDM-EP-EDT-EPR95 Shore AJa55 icon
O-Ring 44 X 5 EPDM-EP-EDT-EPR90 Black O-ring Black44 x 5EPDM-EP-EDT-EPR90 Shore ANee50 icon
O-Ring 23 X 3 EPDM-EP-EDT-EPR95 Black FDA O-ring Black23 x 3EPDM-EP-EDT-EPR95 Shore AJa55 icon
O-Ring 245 X 5 EPDM-EP-EDT-EPR90 Black O-ring Black245 x 5EPDM-EP-EDT-EPR90 Shore ANee53 icon
O-Ring 50.39 X 3.53 EPDM-EP-EDT-EPR90 Black O-ring Black50.39 x 3.53EPDM-EP-EDT-EPR90 Shore ANee53 icon
O-Ring 42 X 4 EPDM-EP-EDT-EPR90 Black FDA O-ring Black42 x 4EPDM-EP-EDT-EPR90 Shore AJa52 icon
O-Ring 420 X 4 EPDM-EP-EDT-EPR90 Black O-ring Black420 x 4EPDM-EP-EDT-EPR90 Shore ANee55 icon
O-Ring 56 X 5 EPDM-EP-EDT-EPR90 Black FDA O-ring Black56 x 5EPDM-EP-EDT-EPR90 Shore AJa53 icon
O-Ring 57 X 4 EPDM-EP-EDT-EPR95 Black O-ring Black57 x 4EPDM-EP-EDT-EPR95 Shore ANee58 icon
O-Ring 58 X 3.5 EPDM-EP-EDT-EPR95 Black O-ring Black58 x 3.5EPDM-EP-EDT-EPR95 Shore ANee57 icon
O-Ring 47 X 5 EPDM-EP-EDT-EPR90 Black O-ring Black47 x 5EPDM-EP-EDT-EPR90 Shore ANee60 icon
O-Ring 380.37 X 5.33 EPDM-EP-EDT-EPR90 Black O-ring Black380.37 x 5.33EPDM-EP-EDT-EPR90 Shore ANee52 icon
O-Ring 506.81 X 5.33 EPDM-EP-EDT-EPR90 Black O-ring Black506.81 x 5.33EPDM-EP-EDT-EPR90 Shore ANee53 icon