EPDM O-rings 70 Shore A

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	Dimensions	Material	Hardness (Shore A)	Certification

O-ring Black	613 mm x 5 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	14 mm x 1.9 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	748 mm x 8.4 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	24.3 mm x 3.3 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	711.3 mm x 5.33 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	35.3 mm x 5.7 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	151 mm x 3.8 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	45.5 mm x 1.5 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	49.7 mm x 3.5 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	56.6 mm x 15 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	70 mm x 11 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	31.43 mm x	EPDM-EP-EDT-EPR	70 Shore A	Ja
O-ring Black	38 mm x 4 mm	EPDM-EP-EDT-EPR	70 Shore A	Ja
O-ring Black	499 mm x 3 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	64 mm x 3 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	92 mm x 4 mm	EPDM-EP-EDT-EPR	70 Shore A	Ja
O-ring Black	64 mm x 5 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	174 mm x 3 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	112.79 mm x 2.69 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	58.7 mm x 5.7 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	77 mm x 4.3 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	714 mm x 9 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	491 mm x 6 mm	EPDM-EP-EDT-EPR	70 Shore A	Ja
O-ring Black	64 mm x 8 mm	EPDM-EP-EDT-EPR	70 Shore A	Ja
O-ring Black	94.9 mm x	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	69.53 mm x 2.62 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	87 mm x 4 mm	EPDM-EP-EDT-EPR	70 Shore A	Ja
O-ring Black	144.6 mm x 4 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	42.23 mm x 3.53 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	47.3 mm x 2.4 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	114.4 mm x 3 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	64.6 mm x 3 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	138 mm x 1 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	623 mm x 5.3 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	680 mm x 10 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	691 mm x 5.3 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	765 mm x 3 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	781 mm x 9.5 mm	EPDM-EP-EDT-EPR	70 Shore A	Nee
O-ring Black	695 mm x 7 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