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What does HNBR O ring stand for?
Hydrogenated Nitrile Butadiene Rubber
The Hydrogenated Nitrile Butadiene Rubber (HNBR) O-ring has quickly grown in importance over the last years, due to its excellent cost-performance balance and use in highly demanding applications such as automotive, industrial applications which require high performance.
What is HNBR gasket?
HNBR for Gasket applications The HNBR gasket materials are especially developed oil resistant grades typically used for oil and gas applications. The HNBR polymers used are based on fully hydrogenated copolymers from butadiene and. acrylonitrile monomers. The most important feature of the HNBR polymers is the polarity.
What is HNBR used for?
Oil and Gas: HNBR has been widely employed for oil field exploration and processions as well as rolls for steel and paper mills. Medical: With improved steam and chemical resistance, HNBR is an ideal choice for sanitary gaskets.
What is NBR in seals?
Nitrile (NBR) Butadiene Rubber Seals for Industrial and Domestic Use. Nitrile Butadiene Rubber (NBR) is usually considered as the backbone of the industrial and automotive rubber products industries. NBR is actually a complex family of unsaturated synthetic rubber copolymers of acrylonitrile (ACN) and butadiene.
Is HNBR oil resistant?
HNBR is resistant to mineral oil-based hydraulic fluids, animal and vegetable fats, diesel fuel, ozone, sour gas, dilute acids and bases. HNBR also resists new bio-oils (biological oils). HNBR is suitable for high dynamic loads and has a good abrasion resistance.
Can HNBR O rings be used for oil?
HNBR o-rings are preferable for use with petroleum-based oils and fuels, aliphatic hydrocarbons, vegetable oils, silicone oils and greases, ethylene glycol, water and steam (up to 300ºF), and diluted acids, bases, and salt solutions.
Are all green O-rings HNBR?
HNBR O-Rings are most commonly in Green or Black, are also avaialable in Yellow and red special compounds.
Is HNBR the same as Buna N?
HNBR (commonly called Nitrile Rubber or BUNA-N) is a highly saturated, oil-resistant elastomer, manufactured by subjecting the unsaturated bonds in NBR (a widely used, oil- resistant rubber) to a special hydrogenation process. Like NBR, HNBR exhibits good oil resistance and processibility.
What is HNBR elastomer?
Hydrogenated acrylonitrile butadiene rubber (HNBR) is a unique elastomer. Like NBR, this type of elastomer has excellent resistance to oils and fuels but it also has excellent resistance to many chemicals, heat (steam / hot water) and ozone.
Is Buna-N the same as NBR?
Nitrile rubber, also known as NBR, Buna-N, and acrylonitrile butadiene rubber, is a synthetic rubber copolymer of acrylonitrile (ACN) and butadiene.
What is the difference between NBR 70 and NBR 90?
The Nitrile 90 durometer material is a harder rubber compared to the Nitrile 70. Nitrile has good mechanical properties when compared with other elastomers and high wear resistance. Nitrile is generally not resistant to weathering, sunlight and ozone unless they are specially compounded.
Is NBR fuel resistant?
Nitrile (also known as NBR rubber and Buna-N) is the seal industry’s most widely used and economical elastomer. This is partly because it displays excellent resistance to petroleum-based oils, fuels, water, alcohols, silicone greases, hydraulic fluids.
What does HNBR stand for?
HNBR stands for Hydrogenated Nitrile Butadiene Rubber. Suggest new definition. This definition appears frequently and is found in the following Acronym Finder categories: Science, medicine, engineering, etc.
What does NBR mean?
NBR is an acrylonitrile – butadiene copolymer , and it is a rubber that excels significantly in oil resistance. It is broadly used in automotive parts and industrial goods.
What is NBR material?
Back to Materials. NBR ( Nitrile ), chemically, is a copolymer of butadiene and acrylonitrile. Acrylonitrile content varies in commercial products from 18\% to 50\%. As the NBR content increases, resistance to petroleum base oils and hydrocarbon fuels increases, but low temperature flexibility decreases.
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