NBR O-rings 90 Shore A

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	Dimensions	Material	Hardness (Shore A)	Certification

O-ring Black	158 mm x 4.5 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	910 mm x 5.7 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	162 mm x 3 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	929 mm x 5.34 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	169.4 mm x 5.7 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	943 mm x 5.33 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	172 mm x 6.3 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	665 mm x 5 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	788 mm x 5.7 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	649 mm x 3 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	814 mm x 5.7 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	578 mm x 20 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	833 mm x 5 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	584 mm x 6.5 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	848 mm x 5.7 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	677 mm x 9 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	860 mm x 5.34 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	15.5 mm x 1.3 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	16.2 mm x 2.5 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	8 mm x 1.22 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	797.4 mm x 5.7 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	773 mm x 10 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	22.70 mm x 3.53 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	824 mm x 4 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	795 mm x 10 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	845 mm x 8 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	823 mm x 5.34 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	857 mm x 16 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	844 mm x 8 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	871 mm x 6 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	932 mm x 5 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	503 mm x 3.5 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	944 mm x 5.34 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	509 mm x 9 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	967 mm x 10 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	557 mm x 10 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	991 mm x 8.5 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	564 mm x 4.35 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	607 mm x 7 mm	NBR-Buna	90 Shore A	Nee
O-ring Black	516 mm x 10 mm	NBR-Buna	90 Shore A	Nee

24361 - 24400 of 25941 products

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The origin of NBR

Nitrile-butadiene rubber (NBR) was developed by the chemical company ‘I.G. Farbenindusty’ from Germany between WWI and WWII. At first the material was called Buna-N® and was later renamed to Perbunan®. The material first came to market in the 30s and is nowadays the most used elastomer for standard seals like O-rings and other seals.

What is NBR?

NBR is an elastomer, which is a synthetic polymer obtained by the copolymerization of acrylonitrile and 1,3-butadiene. The characteristics are partly determined by the amount of acrylonitrile in the material and this varies from 18 to 50 percent. As the acrylonitrile increases, resistance to petroleum base oils and hydrocarbon fuels increases, but low temperature flexibility decreases and the rubber can become brittle.

What is NBR used for?

Seals
O-rings
Gaskets
Pipe and Cable Covers

The advantages of NBR

Resistant against oils, fats, hydrocarbons, diluted acids
Has good mechanical qualities and is wear-resistant
Good resistance to heat
It is powerful and elastic
It has a working temperature range of -35°C tot + 120°C (-30 ° F tot + 250 ° F)

The downside of NBR

It has limited resistance to weather and ozone conditions
Not well resistant to aromatic compounds, halogenated hydrocarbons, ketone brake fluids and strong acids
Must be kept out of direct sunlight
The working temperature range is limited in comparison to other materials

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 NBR, please send us a Direct Enquiry. Together we can discuss the specifications and find the right product for you.