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Hydrogenated Nitrile Rubber (HNBR) - Southbourne Rubber

With its good mechanical properties and resistance to oil, gas, hot water and abrasion, HNBR is used widely in the transport, industrial and oil and gas sectors. Offering heat resistance up to 140°C as well as standing up to adverse environmental conditions, Southbourne Rubber often uses HNBR in the manufacture of rubber seals for gear boxes

HNBR in CO2 - Seals Eastern

Unlike NBR, the copolymer is subsequently hydrogenated to increase saturation of the butadiene component. NBR and HNBR are primarily graded by their acrylonitrile content. By varying the ratio of ACN and butadiene, different properties are obtained. How this ratio affects HNBR behavior in CO2 was the question addressed by this study.


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. High-nitrile HNBR elastomers have better resistance to mineral oils, whereas peroxide/sulfur cured HNBRs have the best compression set and heat resistance. COMMERCIAL HNBR

Mechanism of Gas Permeation in Processed HNBR/Nanoclay …

03/01/2012· Mechanism of Gas Permeation in Processed HNBR/Nanoclay Composites. Rahul M. Cadai, Rahul M. Cadai. Department of Mechanical Engineering, The University of Sheffield, Sheffield S1 3JD, UK

H-NBR - Rubber elastomers - Materials - Alpana

Color - green. H-NBR is an elastomer based on hydrogenated acrylonitrile-butadiene rubber, which can be used in aliphatic hydrocarbon (i.e. propane, butane) and mineral oils and lubricants (short time up to 170°C), also for raw petroleum which contains hydrogen sulfide. H-NBR also can be used in diluted acids and alkali, saline, even at high

HF HNBR O-Rings: Safe for long-term fuel exposure? - Bob Is The …

28/12/2018· Put one o-ring in the jar of gasoline and put the other same size o-ring in a plastic bag and label it. One week later take the HNBR o-ring out of the gasoline and compare it with the one in the plastic bag. The untouched HNBR o-ring in the plastic bag will have magically shrunk. C.

HNBR O Rings, Seal Material Compound - Freudenberg FST

HNBR O Rings Material- Hydrogenated Nitrile Rubber. HNBR is produced through the selective hydrogenation 1,2 of NBR. The reactive double bonds are removed from NBR. As a result, the molecule chain does not react as easily to oxygen and is thus significantly more heat resistant than NBR. In addition, HNBR offers better wear behavior in dynamic

Hydrogenated Nirtile - HNBR Rubber | Lavelle

Hydrogenated Nitrile (HNBR) HBNR rubber is commonly used in place of nitrile where temperature is a factor. It fills the gap between NBR’s and FKM’s. The unique properties of HNBR rubber allow it to be used over a wide service temperature from -40° to 320° F. Overall, HNBR elastomers have excellent resistance to standard automotive grade

Materials Chemical Compatibility Guide - Trelleborg

mineral oils, fuel and low molecular aromatic hydrocarbons e.g. Benzene and Toluene. The temperature range is between -50 °C/-58 °F and +175 °C/+347 °F (temporary up to +200 °C/+392 °F). HNBR (Hydrogenated Nitrile Butadiene Rubber) HNBR is made via selective hydrogenation of the NBR butadiene groups.

NBR & HNBR | PRODUCTS | KOK International Business Corp.

Inlet Pipes. Continuously Variable Transmission. Brake Parts. Rubber Parts, Packings & Gaskets PRODUCTS HOME; Oil Seals; OIL SEAL MATERIALS; NBR & HNBR; NBR & HNBR. Nitrile Rubber (JIS hardness 70~80) This material is suitable for fuel, oil and abrasion resistance from -20˚C to 120˚C. But for use in transmission oil at 100˚C, the rubber

What is Nitrile / NBR Rubber? - J-Flex Rubber Products

18/06/2020· Nitrile rubber, also known as NBR, Buna-N, and acrylonitrile butadiene rubber, is a synthetic rubber copolymer of acrylonitrile (ACN) and butadiene. Although its physical and chemical properties vary depending on the polymer’s composition of nitrile, this particular type of synthetic rubber is unusual in being generally resistant to oil, fuel

Hydrogenated Nitrile HNBR - Eastern Seals

Features. Hydrogenated Nitrile is widely used in automotive and oil industries and maintains excellent resistance to motor oils, sour gas, amine/oil mixtures, oxidized fuels, and lubriing oils. HNBR is resistant to mineral oil-based hydraulic fluids, animal and vegetable fats, diesel fuel, ozone, sour gas, dilute acids and bases.

HNBR Rubber Product Manufacturer,Supplier - Yoda Rubber

More About HNBR. HNBR is a hydrogenated version of NBR (nitrile) rubber, a copolymer of ACN and 1,3-butadiene. It has better performance than NBR, as in the case of HNBR, the NBR is hydrogenated in a alytic hydrogenation process. HNBR is widely known for its physical strength and retention of properties after long-term exposure to heat, oil

What is HNBR? | Rocket Seals, Inc.

06/12/2016· HNBR elastomers are changing the game for sealing and manufacturing companies. Made from hydrogenating acrylonitrile butadiene rubber (NBR), the compound meets higher temperatures, retains better resistance and has become widely known for its physical strength. HNBR results in higher strength, heat and oil resistance, and better ozone

HNBR Rubber - Hydrated Nitrile Butadiene Rubber

This rubber is suitable for the production of various seals in places where work is performed at high temperatures, under pressure and where there is a high risk of damage. An example of a product made using HNBR is an air compressor in compressors. Elements of fuel hoses can also be made of it. Please contact us by phone: +48 505 16 03 03.


NBR-HNBR XNBR; NBR . Common name: NBR or nitrile rubber. Common chemical composition: Butadiene-acrylonitrile copolymer (with an ACM content ranging from 18% to 50%) Fields of appliion . NBR is mainly used for products in the automotive industry. For example, for the production of fuel supply pipes, throttle support plates, oil and heat

HNBR - Hydrogenated nitrile - Techné group

HNBR is used when NBR finds its limitations. HNBR has a wider temperature range, for an equivalent oil resistance. Ozone resistance is also better. Uses. Box seals; Pneumatic because of better wear resistance; Biodiesel, LPG; Developments. Techné has a nuer of specific HNBRs with an even better wear resistance.

Effect of Different Nitrile Elastomers in Down Hole Drilling

The effect of different nitrile butadiene rubber (NBR), hydrogenated nitrile butadiene rubber (HNBR), and carboxylated nitrile butadiene (XNBR), were evaluated in a down hole packer appliion. Gaskets Drill Pipe Protectors Down-hole Packers Fuel Resistance 4 3 3.5 4 2 4 1 4 4 3 4 2 4 Water Swell Resistance 2 2

Don''t glue Nitrile Rubber, BOND Nitrile Rubber HNBR

Nitrile rubber (NBR) is an oil-resistant synthetic rubber and a copolymer. The monomers used to produce nitrile are acrylonitrile and butadiene. Nitrile is often used in gaskets, hoses and appliions which require oil-resistant properties. Common exposure to gas, oil and other typically harmful liquids and chemicals, make nitrile a hard to

Rubber Material Selection Guide HNBR or Highly Saturated Nitrile

HNBR or Highly Saturated Nitrile . ydrogenated Acryonitrile Butadiene Abbreviation HNBR ASTM D-2000 Classifiion DH Chemical Definition Hydrogenated Acrylonitrile Butadiene RRP Compound Nuer egory 30000 Series. ♦ Physical & Mechanical Properties Durometer or Hardness Range 30 – 95 Shore A

Nitrile & Hydrogenated Nitrile - Ceetak Sealing Solutions

General NBR grades are capable from -30°C (-22°F) to +100°C (212°F) with HNBR increasing to +150°C (300°F). Through adjustment of the ACN level, capabilities as low as -60°C (-76°F) or up to +160°C (320°F) can be achieved (but not in the same compound).

Compatibility of Polymeric Materials Used in the Hydrogen

impacting fuel cell use. Take-away messages from stakeholder survey: Wide range of suggested polymers Conditions of Interest: -40 to +85 degrees C. NBR/HNBR, Viton, Levapren: Thermosetting polymers ofInterest: Epoxy, PI, NBR, Polyurethane: Tests …

hnbr steam iron hose pipe

MegaPressG fittings, with an HNBR sealing element, are available in sizes 1/2" to 4" and are perfect for a variety of oil and fuel gas appliions. Designed for Iron Pipe Size (IPS) stainless steel, Viega MegaPress Stainless fittings are available in 304 and 316 stainless steel. With the …

Hydrogenated Nitrile Rubber (HNBR) | Seal & Design, Inc

Hydrogenated Nitrile Butadiene Rubber - HNBR. HNBR is made via selective hydrogenation of the NBR butadiene groups which improves the temperature and ozone resistance considerably. HNBR is widely known for its physical strength and retention of properties after long-term exposure to heat, oil, and chemicals.

What’s the difference between nitrile and HNBR? - Parker Hannifin

04/06/2020· HNBR (hydrogenated nitrile, also called HSN) is chemically similar to nitrile, except the carbon-carbon double bond found in nitrile is not present in HNBR, providing temperature stability up to 325°F and resistance to atmospheric ozone and weathering.. ss 6/4/2020

Hydrogenated Nitrile - HNBR Rubber Compounds - Techno Ad

HNBR Properties: Standard Compound: -40 °C (-40 °F) to 150°C (302°F) Special Compound: -55 °C (-67 °F) to 165°C (330°F) Hardness: 50 to 90 Shore A. ASTM D1418 Designation: HNBR. ASTM D2000 Designation: CH, DF, DH. Standard Colors: Black, Green. Optional Colors: Production: HNBR’s are usually peroxide cured.

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