HNBR O-ring 90 Shore A Black

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

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ProductDimensionsMaterialHardness (Shore A)CertificationStock
O-Ring 19,2x3 HNBR - 90 Shore A - Black - ses-523269 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 25,3x2,4 HNBR - 90 Shore A - Black - ses-523350 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 29,1x2,55 HNBR - 90 Shore A - Black - ses-523390 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 140x3 HNBR - 90 Shore A - Black - ses-524092 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 88,27x5,33 HNBR - 90 Shore A - Black - ses-523863 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 37,47x5,33 HNBR - 90 Shore A - Black - ses-523494 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 148,6x7 HNBR - 90 Shore A - Black - ses-524119 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 43,8x3,6 HNBR - 90 Shore A - Black - ses-523557 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 177,17x5,33 HNBR - 90 Shore A - Black - ses-467240 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 184,2x5,7 HNBR - 90 Shore A - Black - ses-524225 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 199,8x6,99 HNBR - 90 Shore A - Black - ses-524258 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 210x3 HNBR - 90 Shore A - Black - ses-524286 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 57x3 HNBR - 90 Shore A - Black - ses-523665 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 120,32x2,62 HNBR - 90 Shore A - Black - ses-524003 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 69,44x3,53 HNBR - 90 Shore A - Black - ses-467121 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 74,2x5,7 HNBR - 90 Shore A - Black - ses-523786 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 132,94x3,53 HNBR - 90 Shore A - Black - ses-467204 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 196,22x5,33 HNBR - 90 Shore A - Black - ses-524254 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 234,54x3,53 HNBR - 90 Shore A - Black - ses-467275 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 171,2x2,62 HNBR - 90 Shore A - Black - ses-524191 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 240x3 HNBR - 90 Shore A - Black - ses-524352 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 202,8x3,53 HNBR - 90 Shore A - Black - ses-524272 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 177,4x3,53 HNBR - 90 Shore A - Black - ses-467242 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 208,92x5,33 HNBR - 90 Shore A - Black - ses-524281 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 210x5 HNBR - 90 Shore A - Black - ses-524288 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 253x7 HNBR - 90 Shore A - Black - ses-524374 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 215,27x5,33 HNBR - 90 Shore A - Black - ses-524298 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 258x5 HNBR - 90 Shore A - Black - ses-524384 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 190x2,5 HNBR - 90 Shore A - Black - ses-524236 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 225x5 HNBR - 90 Shore A - Black - ses-524322 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 310,52x6,99 HNBR - 90 Shore A - Black - ses-524456 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 319x3,1 HNBR - 90 Shore A - Black - ses-524464 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 325x8 HNBR - 90 Shore A - Black - ses-524472 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 902x10,82 HNBR - 90 Shore A - Black - ses-524768 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 6x2,5 HNBR - 90 Shore A - Black - ses-523081 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 10x1 HNBR - 90 Shore A - Black - ses-523136 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 14x1,78 HNBR - 90 Shore A - Black - ses-466990 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 20,35x1,78 HNBR - 90 Shore A - Black - ses-467009 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 26,7x1,78 HNBR - 90 Shore A - Black - ses-523365 O-ring schwarz-HNBR90 Shore A0 icon
O-Ring 31,47x1,78 HNBR - 90 Shore A - Black - ses-467042 O-ring schwarz-HNBR90 Shore A0 icon