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	Dimensions	Material	Hardness (Shore A)	Certification

O-ring Black	449 mm x 6 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	99 mm x 8 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	262 mm x 7 mm	EPM	80 Shore A	Nee
O-ring Black	351 mm x 5 mm	EPM	80 Shore A	Nee
O-ring Black	88.63 mm x	EPM	78 Shore A	Nee
O-ring Black	21.6 mm x 1.5 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	139.39 mm x 2.62 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	240.68 mm x	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	6 mm x 1 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	80 mm x 2.5 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	145.66 mm x 3.53 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	19.8 mm x	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	43.83 mm x 6.99 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	1.78 mm x	EPDM-EP-EDT-EPR	78 Shore A	Nee
O-ring Black	871 mm x 5 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	40.66 mm x 5.33 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	88.58 mm x 2.62 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	40.66 mm x 5.33 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	106 mm x 4 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	601 mm x 5.5 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	158.36 mm x 3.53 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	82.6 mm x 4 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	421 mm x 5 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	5.94 mm x 3.53 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	119 mm x 3 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	232 mm x 3 mm	EPM	80 Shore A	Nee
O-ring Black	34.30 mm x 6.99 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	235 mm x 6 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	417.97 mm x 6.99 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	234 mm x 8 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Lila	24.100 mm x 3.53 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	42.53 mm x	EPDM-EP-EDT-EPR	65 Shore A	Nee
O-ring Black	582.69 mm x 6.99 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	56 mm x 6 mm	EPM	80 Shore A	Nee
O-ring Black	75 mm x 2 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	66.28 mm x 3.53 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	6.86 mm x	EPM	78 Shore A	Nee
O-ring Black	174 mm x 3 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee
O-ring Black	102 mm x 5 mm	EPM	80 Shore A	Ja
O-ring Black	62.88 mm x 6.99 mm	EPDM-EP-EDT-EPR	80 Shore A	Nee

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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 80 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 80 Shore A made from EPDM, please send us a Direct Enquiry. Together we can discuss the specifications and find the right product for you.

EPDM O-rings 80 Shore A

What is EPDM?