FKM O-rings 70 Shore A Black

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	Dimensions	Material	Hardness (Shore A)	Certification

O-ring Black	622 mm x 9 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	531 mm x 15 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	97 mm x 5 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	19.05 mm x 0.99 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	306 mm x 3.5 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	698 mm x 6 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	49 mm x 3 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	180.55 mm x 6.99 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	668 mm x 3.5 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	25.6 mm x 2.5 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	35.7 mm x 2.4 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	344 mm x 7 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	782 mm x 6 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	537 mm x 4 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	7.53 mm x 1.75 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	324.3 mm x 5.7 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	763 mm x 5.33 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	35 mm x 1.6 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	339 mm x 9 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	778 mm x 6 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	285 mm x 3.75 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	24.9 mm x 2.5 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	249 mm x 6 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	668 mm x 8.4 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	47.6 mm x 2 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	58 mm x 6 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	387 mm x 20 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	853 mm x 7 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	123 mm x 6.3 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	538 mm x 3.53 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	851 mm x 3.5 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	638 mm x 8 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	25 mm x 2.63 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	50.5 mm x 3.53 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	20.36 mm x 1.78 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	549 mm x 6.5 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	911 mm x 9 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	630 mm x 3.5 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	104.6 mm x 2 mm	Viton-FKM-FPM	70 Shore A	Nee
O-ring Black	451 mm x 6 mm	Viton-FKM-FPM	70 Shore A	Nee

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The first FKM Fluor-elastomer found its way into the market in the 50s when there was need for high performance sealings in the aerospace industry. In that time FKM was developed by the company ‘Dupont’ and was brought to market under the trademark Viton®. The latest fluor-elastomers provide

FPM is the international abbreviation according to DIN/ISO, whereas FKM is the short form for the fluoroelastomer category according to the American standard ASTM. Viton® is the registered trade mark of DuPont Performance Elastomers, as is Tecnoflon® for Solvay Specialty Polymers, Dyneon™ for 3M Dyneon and DAI-EL™ for polymers supplied by Daikin.

The chemical resistance and high temperature stability is due to the bulkiness of the fluorine atoms, shielding the polymer backbone and carbon-fluor bond from attack, and the high bonding energy of the carbon-fluor bond.

The origin of FPM/FKM Viton®

The first FKM fluoroelastomer found its way into the market in the 50s when there was need for high performance sealings in the aerospace industry. In that time FKM was developed by the company Dupont Performance Elastomers and was brought to market under the trademark Viton®. Nowadays, multiple company’s manufacture FKM and FPM fluoroelastomers.

Viton®, also known as FKM and FPM whereby FPM is the international name according to DIN/ISO, whereas FKM the short form is for the fluoroelastomer category according to the American standard ASTM.

Viton® is the registered trade mark of DuPont Performance Elastomers, as is Tecnoflon® for Solvay Specialty Polymers, Dyneon™ for 3M Dyneon and DAI-EL™ for polymers from Daikin. All these are brands for FPM/FKM polymers and all stand for one singe base material, which is fluoroelastomer.

What is Viton®?

This fluoroelastomer is used in multiple situations where O-rings need to be resistant to high temperatures and chemical attacks. The FPM/FKM Viton® sealing rings are often used in the aerospace, the automotive and other mechanical equipment requiring maximum resistance to high temperatures and all kinds of chemicals, fluids and other media.

What is Viton® used for?

O-rings
Gaskets
Seals
Tubing
Suitable for various industrial applications

The advantages of Viton®

Better able to withstand high temperature, while retaining its mechanical properties and its resistance to oil, chemicals and other fluids.
Depending on the grade the working temperature range is considered to be -26°C to +205°/230°C (-15°F to +400°/440°F).
It will take even higher temperatures if the working period is shorter.
Shockproof and resilient
Good chemical resistance
It has a high density
Sustainable

The downside of Viton®

Not resistant to superheated steam, low temperatures, polar solvents, brake fluids containing glycol and low molecular organic acids.

On this page we offer our range of black 70 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 70 Shore A made from FKM, please send us a Direct Enquiry. Together we can discuss the specifications and find the right product for you.