HNBR O-ring 80 Shore A

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	Dimensions	Material	Hardness (Shore A)	Certification

O-ring Black	62.88 mm x 6.99 mm	HNBR	80 Shore A	Nee
O-ring Green	64 mm x 4.5 mm	HNBR	80 Shore A	Nee
O-ring Black	66.5 mm x 1.78 mm	HNBR	80 Shore A	Nee
O-ring Black	69.45 mm x 3.53 mm	HNBR	80 Shore A	Nee
O-ring Black	88.58 mm x 2.62 mm	HNBR	80 Shore A	Nee
O-ring Green	107.8 mm x 1.78 mm	HNBR	80 Shore A	Nee
O-ring Black	110.73 mm x 3.53 mm	HNBR	80 Shore A	Nee
O-ring Black	145.43 mm x 5.33 mm	HNBR	80 Shore A	Nee
O-ring Black	97.80 mm x 6.99 mm	HNBR	80 Shore A	Nee
O-ring Black	151.78 mm x 6.99 mm	HNBR	80 Shore A	Nee
O-ring Black	101.35 mm x 1.78 mm	HNBR	80 Shore A	Nee
O-ring Green	139.08 mm x 6.99 mm	HNBR	80 Shore A	Nee
O-ring Black	196.23 mm x 5.33 mm	HNBR	80 Shore A	Nee
O-ring Black	202.58 mm x 6.99 mm	HNBR	80 Shore A	Nee
O-ring Green	247.34 mm x 2.62 mm	HNBR	80 Shore A	Nee
O-ring Green	183.76 mm x 3.53 mm	HNBR	80 Shore A	Nee
O-ring Green	189.88 mm x 5.33 mm	HNBR	80 Shore A	Nee
O-ring Green	279 mm x 3.53 mm	HNBR	80 Shore A	Nee
O-ring Black	405.27 mm x 3.53 mm	HNBR	80 Shore A	Nee
O-ring Green	532.3 mm x 5.33 mm	HNBR	80 Shore A	Nee
O-ring Green	481.47 mm x 5.33 mm	HNBR	80 Shore A	Nee
O-ring Green	658.89 mm x 6.99 mm	HNBR	80 Shore A	Nee
O-ring Green	10.47 mm x 5.33 mm	HNBR	80 Shore A	Nee
O-ring Green	29.75 mm x 2.95 mm	HNBR	80 Shore A	Nee
O-ring Green	145.66 mm x 3.53 mm	HNBR	80 Shore A	Nee
O-ring Black	107.33 mm x 6.99 mm	HNBR	80 Shore A	Nee
O-ring Black	53.68 mm x 1.78 mm	HNBR	80 Shore A	Nee
O-ring Green	247.25 mm x 3.53 mm	HNBR	80 Shore A	Nee
O-ring Green	304.40 mm x 3.53 mm	HNBR	80 Shore A	Nee
O-ring Green	46.100 mm x 6.99 mm	HNBR	80 Shore A	Nee
O-ring Black	116.85 mm x 5.33 mm	HNBR	80 Shore A	Nee
O-ring Green	44.05 mm x 3.53 mm	HNBR	80 Shore A	Nee
O-ring Black	29.88 mm x 1.78 mm	HNBR	80 Shore A	Nee
O-ring Black	47.30 mm x 2.62 mm	HNBR	80 Shore A	Nee
O-ring Green	60.05 mm x 1.78 mm	HNBR	80 Shore A	Nee
O-ring Green	63.10 mm x 3.53 mm	HNBR	80 Shore A	Nee
O-ring Green	64.78 mm x 2.62 mm	HNBR	80 Shore A	Nee
O-ring Green	56.88 mm x 1.78 mm	HNBR	80 Shore A	Nee
O-ring Black	69.58 mm x 1.78 mm	HNBR	80 Shore A	Nee
O-ring Green	75.9 mm x 3.53 mm	HNBR	80 Shore A	Nee

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HNBR (Hydrogenated Nitrile Butadiene Rubber) is obtained by fully or partially hydrogenating the double bonds in nitrile butadiene rubber with hydrogen into single bonds. Compared to NBR, HNBR has better properties in terms of oil resistance, temperature resistance and strength. It is more resistant to ozone and aggressive substances and can be used from -40 ° C to 165 ° C (with peaks up to 190 ° C). HNBR was developed in the 1970s by, among others, Shell [3] and Bayer (now Lanxess) [4]; Bayer / Lanxess' brand name is Therban. Another brand name was Tornac from Polysar, which was subsequently bought up by Bayer.
HNBR has been developed to meet higher temperatures than the standard NBR, while it is resistant to oil-based oils. Obtained by hydrogenating the nitrile copolymer, HNBR fills the space left between NBR, EPDM and FKM elastomers where high temperature conditions require high tensile strength, while excellent resistance to engine oils, acid gas, amine / oil blends, oxidized fuels and Hydronated nitrile rubber (Hydrogenated nitrile rubber HNBR)
Patented by Bayer in 1975 and the first to be marketed in 1986 under the name Therban.

HNBR is a saturated NBR version with a much higher temperature resistance. With ACN levels of 18-49% and a saturation degree of 80-99%. Temperature resistance possibilities from -45 degrees to +165 degrees and peaks up to `80 degrees.

You could say that HNBR fills the gap between NBR and FKM. HNBR is still resistant to aggressive media at higher temperatures.
lubricating oils remain.
Hydrogenated Nitrile Butadiene Rubber (HNBR) has been developed to bridge the price-performance gap between FKM / FVMQ and NBR. Compared with NBR, HNBR has better oil resistance, temperature properties and strength.

HNBR benefits:
• Resistant to mineral oil based hydraulic fluids
• Resistant to animal and vegetable fats
• Resistant to diesel fuel, ozone, acid gas, diluted acids and bases
• Resistant to new organic oils (organic oils)
• Suitable for high dynamic loads and has good wear resistance
• Suitable for temperatures from -30 degrees C to +150 degrees C
• Mechanically strong
• Good compression set / good "hot tear" / good ozone and aging resistance
• Resistant to high energy radioactive radiation
• Good resistance to hot water and steam
• Temperature resistance to prolonged +150 degrees C with higher peaks
• Good resistance to various media
• Excellent heat and oxidation resistance
• Can be used in water and steam
• Temperature range from -30 degrees to +160 degrees C
• Excellent resistance to automotive fluids (engine oil, coolant, fuel etc.)

Cons HNBR:
• Considerably more expensive
• Not resistant to chlorinated hydrocarbons
• Not resistant to polar solvents (ketones, eaters and esters)
• Not resistant to strong acids

On this page we offer our range of 80 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 80 Shore A made from HNBR, please send us a Direct Enquiry. Together we can discuss the specifications and find the right product for you.

Cons HNBR:
• Considerably more expensive
• Not resistant to chlorinated hydrocarbons
• Not resistant to polar solvents (ketones, eaters and esters)
• Not resistant to strong acids