EPDM O-rings 70 Shore A

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	Dimensions	Material	Hardness (Shore A)	Certification

O-ring Black	30.49 mm x 1.22 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	40.6 mm x 3.5 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	108.6 mm x 2 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	58.18 mm x 6.1 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	276 mm x 14 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	339 mm x 9 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	404 mm x 9 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	520 mm x 7.25 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	710 mm x 3 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	604 mm x 5.33 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	104 mm x 5 mm	EPDM-EP-EDT-EPR	70 Shore A	Ja
O-ring Black	158.2 mm x	EPDM-EP-EDT-EPR	99 Shore A	Nee
O-ring Black	240.68 mm x	EPDM-EP-EDT-EPR	99 Shore A	Nee
O-ring Black	351 mm x 6 mm	EPDM-EP-EDT-EPR	70 Shore A	Ja
O-ring Black	62.3 mm x	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	70 mm x 7 mm	EPDM-EP-EDT-EPR	70 Shore A	Ja
O-ring Black	65 mm x 3 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	144.03 mm x 3.99 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	105.8 mm x 3.5 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	55.6 mm x 3.55 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	265 mm x 4 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	553.35 mm x 6.99 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	602 mm x 10 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	750 mm x 10 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	518 mm x 5 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	874 mm x 3 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	916 mm x 3 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	963 mm x 5.33 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	1271 mm x 7 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	19.5 mm x 8.4 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	39.7 mm x 2.45 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	183.6 mm x 7 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	235 mm x 10 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	716 mm x 7 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	380.38 mm x 5.34 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	684 mm x 7.9 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	705 mm x 7 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	772 mm x 8.4 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	795 mm x 9 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	839 mm x 8 mm	EPDM-EP-EDT-EPR	70 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