NBR O-ring 70 Shore A

29564 products

Most sold

Recommended Newest collection Lowest price Highest price Most sold Best reviewed Title

	Dimensions	Material	Hardness (Shore A)	Certification

O-ring Black	262 mm x 4 mm	NBR-Buna		Nee
O-ring Black	70 mm x 9 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	9.5 mm x 3.4 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	53 mm x 4 mm	NBR-Buna		Nee
O-ring Black	24.19 mm x 1.7 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	851 mm x 5.3 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	79 mm x 3 mm	NBR-Buna		Nee
O-ring Black	47.6 mm x 3.2 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	966 mm x 3.5 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	223 mm x 2 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	719.4 mm x 5.7 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	182 mm x 3 mm	NBR-Buna		Nee
O-ring Black	822 mm x 3 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	322 mm x 5.33 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	7.65 mm x 1.02 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	1206.6 mm x 5.33 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	14 mm x 1.1 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	26 mm x 3.6 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	7 mm x 3 mm	NBR-Buna		Nee
O-ring Black	13.5 mm x 2.1 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	110 mm x 8 mm	NBR-Buna		Nee
O-ring Black	922 mm x 8.4 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	122.95 mm x 2.41 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	251.6 mm x 5.33 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	50.3 mm x 2.4 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	21.83 mm x	NBR-Buna	78 Shore A	Nee
O-ring Black	509 mm x 8.5 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	662 mm x 4 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	20.36 mm x	NBR-Buna	78 Shore A	Nee
O-ring Black	956 mm x 5.34 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	55.6 mm x 3.5 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	143 mm x 5.7 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	766 mm x 6 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	3.9 mm x	NBR-Buna		Nee
O-ring Black	119.3 mm x	NBR-Buna		Nee
O-ring Black	66 mm x 2 mm	NBR-Buna		Nee
O-ring Black	389.4 mm x 5.7 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	110 mm x 2.4 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	54.3 mm x 5 mm	NBR-Buna	70 Shore A	Nee
O-ring Black	536 mm x 8.4 mm	NBR-Buna	70 Shore A	Nee

29481 - 29520 of 29564 products

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