Most commonly used general purpose oring material because of relative low cost, good mechanical properties, and basic resistance. It is broadly used in automotive parts and industrial goods. Bulletin of the transilvania university of bra sov vol. Nbr acrylonitrile butadiene rubber, bunan, nitrile. Learn about nitrile sheet products view current nitrile sheet inventory fluoroelastomer polymer. Files available from the acs website may be downloaded for personal use only. Nitrile rubber nbr is the general term for acrylonitrile butadiene copolymer. Engineering sciences mechanical properties of rubber an overview al. Nitrile rubber is resistant to oil, caustics, aliphatic hydrocarbons, and hydraulic fluids and chemicals. Wear properties are at their best straight from the tree. Black nitrile rubber sheet has generally good physical properties including mechanical strength. An important factor in the properties of nbr is the ratio of acrylonitrile groups to. Its a synthetic rubber polymer known for its superior resistance to fuels.
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 application. Nitrile 70, nitrile rubber properties, nitrile specifications mykin inc. A study of thermal ageing of carboxylated nitrile rubber latex thin films foo yian tyan properties of rubbers are subject to change as a result of ageing, even during storage or during the use of rubber. Nitrile rubber nbr, acrylonitrilebutadiene rubber categories. Pdf investigation of physical, mechanical and biodegradation. This rubber oring temperature chart shows high and low rubber temperature range resistance for all popular materials. Specific physical and chemical resistances vary by compound formulation. Nitrile bunan nbr rubber is an economical material that provides high resistance to oils and hydrocarbon based fluids. Nipol nbr latices are available in medium nitrile, mediumhigh nitrile, and high nitrile, according to the relative concentration of acrylonitrile. Nitrile is a modified nitrile rubber, possessing most of the properties of nitrile along. Trade names include perbunan, nipol, krynac and europrene nitrile butadiene rubber nbr is a family of unsaturated copolymers of 2propenenitrile and various butadiene monomers 1,2butadiene and 1,3butadiene.
For further information on the material or this msds contact the technical director at gcp elastomeric inc. Acrylonitrile butadiene rubber nbr, usually shortened to nitrile, was developed in 1941 as the first oil resistant rubber. Properties of rubber styrene butadiene sbr o riginally developed as a low cost substi tute for natural rubber but not necessarily always the case good water resistance and a brasion resistance maximum continuous operating temperature about 225 f p oor weathering, but can overcome with specific raw materials. Nitrile rubber properties depends on the acrylonitrile content and with the increase in the can content, its tg glass transition temperature is also increased which will also increase the brittleness temperature of the nitrile rubber. Physical properties of rubber satori seal corporation. It will tolerate a large amount of elongation 400% before breaking and has excellent tear strength 40. Usually nitrile rubber presents low resistance to biodiesel from different sources.
Nitrile rubber sheet page 1 of 2 white, fda compliant. Investigation of physical, mechanical and biodegradation properties of nitrile butadiene rubber by natural polymers and nano silica particles. General properties of nitrilet excellent resistance to petroleumbased fluids good physical properties. Nitrile rubber, which is also called bunan or nbr, is an unsaturated synthetic copolymer. The example shown here used uniaxial compression at different strain rates and strain cycles. An elastomer is a solid, hence, the eventual progression to thermodynamic stability is the procession from a solid, to a liquid, ultimately a gas. Nitrile nbr is the polymer of choice for applications requiring oil and solvent resistance. The mechanical response of nitrile rubber can be tested in many different ways. Nitrile has very good oil and gasoline resistance, superior resistance to petroleum. Nitrile, or bunan, is a copolymer of butadiene and acrylonitrile. Keydifference neoprene vs nitrile rubber many rubber related product manufacturers rely on various types of synthetic rubber due to various reasons. Nitrile rubber is a copolymer of butadiene and acrylonitrile that possesses unique physical and chemical properties that make it one of the most widely used synthetic elastomers in the world. Here you will find our nitrile specifications chart which can also be downloaded in pdf.
Following is the list of nitrile rubber properties. The prefix cyano is used interchangeably with the term nitrile in industrial literature. Preparation and properties of rubber blends for highdamping. Nitrile bunan sheet rubber products from warco biltrite. Trade names include perbunan, nipol, krynac and europrene. Make sure that your material is compatible with your environment by going to our rubber properties and chemical compatibility sections. The nitrile rubber properties that are listed below are for our most popular nitrile 70 durometer 70a rubber material. Grades with high acrylonitrile content have better oil resistance whereas low acrylonitrile content gives better low temperature flexibility and resilience. It is commonly used to make hoses, seals, gloves, and many other industrial products. Grades with high acrylonitrile content have better oil resistance. Acrylonitrilebutadiene rubber nbr properties and applications nitrile rubber nbr is commonly considered the workhorse of the industrial and automotive rubber products industries. Hydrogenation of nitrile rubber removes much of the unsaturation in the nitrile polymer chain to make it far less vulnerable to attack by heat, ozone, and oxygen. Nitrile rubber, also called nitrile butadiene rubber nbr, bunan, is a synthetic rubber that provides excellent resistance to petroleumbased oils as well as mineral and vegetable oil. Nitrile rubber, also known as nbr, bunan, and acrylonitrile butadiene rubber, is a synthetic rubber copolymer of acrylonitrile acn and butadiene.
Identification of the substancemixture and of the companyundertaking product name. Nitriles are found in many useful compounds, including methyl cyanoacrylate, used in super glue, and nitrile rubber, a nitrilecontaining polymer used in latexfree laboratory and medical gloves. In fact, due to superior oil and temperature resistance, highly saturated nitrile can sometimes be substituted for more costly fluorocarbon rubber. The inherent properties of strength, resilience and cut resistance have a direct effect on wear performance. By selecting an elastomer with the appropriate acrylonitrile content in. Nitrile film has excellent puncture and chemical resistance, delivering peace of mind in higher risk conditions. What links here related changes upload file special pages permanent link. We also have modified types, such as modified carboxyl, and.
The most stable thermodynamic state highest entropy is a gas. It has been used in many industrial required purposes as hoses, oring seals, insulation base. Nitrile bunan sheet rubber, commercial grade, mediumhard 60 durometer, shore a. Timco rubber can work with your business to design and provide nitrile parts customized for the specific needs of your applications. For further information on the material or this msds contact the technical director at gcp. Complex, vulcanized acrylonitrile butadiene elastomer. Rubber temperature range, oring temperature range mykin inc. Background information on the actual rubber products and their expected environment and service conditions is also presented. The physicomechanical properties of the pcpgnbr vulcanizates were at par with or even better than the neat nbr vulcanizates. Nbr rubber,nitrile rubber properties,applications of nbr. Its a synthetic rubber polymer known for its superior resistance to fuels such as kerosene, diesel, lubricating oils, grease and petroleum based transmission fluids.
It is found that incorporation of zirconia improved thermal properties. Nitrile rubber can generally be used down to about 30c but special grades of nbr can work at lower temperatures too. Zirconia particles are generated into a nitrile rubber nbr matrix via a. Matl style code metro industries material specification. Parcos most popular matelialfor orings is nitrile compound 420070. Nitrilepvc resin blends nbrpvc pvc resins are blended with nitrile polymers to provide increased resistance to ozone and abrasion. Nitrile 90, nitrile 90a, nitrile 90 durometer mykin inc.
Nbr offers excellent resistance to petroleumbased oils and fuels, silicone greases, hydraulic fluids, water and alcohols. Although its physical and chemical properties vary depending on the polymers composition of nitrile, this form of synthetic rubber is unusual in being generally resistant to oil, fuel, and other chemicals the more nitrile within the. Nitrile butadiene rubber nbr is a family of unsaturated copolymers of 2propenenitrile and various butadiene monomers 1,2butadiene. Elastemers can undergo changes in properties large enough to.
In this article we will describe the physical properties of rubber that you will see on a physical property data sheets for elastomers that are tested to astm d2000 specifications. Nitrile rubber, also known as nbr, bunan, and acrylonitrile butadiene rubber, is a synthetic. Nbr or the nitrile synthetic rubber is considered the workhorse of the rubber products of the automotive and other industrial units. Bk chemical definition carboxylated nitrile rrp compound number category. Physical properties performance parameters unaged aged test. Effect of different nitrile elastomers in down hole drilling.
Technical bulletin ts10 page 1 of 2 ts101108 polymer comparisons physical property characteristics nbr pvc vs. It is the most widely used and economical elastomer. The demand for synthetic rubbers over natural rubber has increased very rapidly over the recent past. Hnbr is widely known for its physical strength and retention of properties after longterm exposure to heat, oils and chemicals. Rubber material selection guide xnbr or carboxylated nitrile abbreviation xnbr astm d2000 classification bf, bg. The effect of different nitrile butadiene rubber nbr. The swelling properties of nitrile rubber with different. Acrylonitrile butadiene copolymer nbr latex products. Pharmacopeianational formulary uspnf astm d3577 092015 ansi esd s 11. Nitrile rubbers are copolymers of butadiene and acrylonitrile. Material safety data sheet nitrile rubber section 1. Epdm elastomeric insulation materials traditionally, elastomeric insulation has been manufactured from an nbr nitrile butadiene rubber polymeric blend. Nitrile orings are used with gasoline, crude oil, power steenngflllid, hexane, toluene, watel. The nitrile 90 durometer material is a harder rubber compared to the nitrile 70.
Here you will find our nitrile 90 specifications chart which can also be downloaded in pdf. Nitrile often referred to as bunan rubber or perbunan is the most commonly used elastomer in the seal industry. Nitrile rubber nbr, acrylonitrilebutadiene rubber matweb. Nitrile rubber, also called nitrilebutadiene rubber nbr, bunan, is a synthetic rubber that provides excellent resistance to petroleumbased oils as well as mineral and vegetable oil. Most commonly used general purpose oring material because of relative low cost, good mechanical properties, and basic resistance to many common lubricants.
Nitrilepvc resin blends minnesota rubber and plastics. Elastomer properties are sensitive to heat, moisture, light, fluids and mechanical stress figure 1. It will tolerate a large amount of elongation 400% before breaking and has excellent tear strength 40 nmm. Nbr offers excellent resistance to petroleumbased oils and fuels, silicone. The nitrile rubber properties that are listed below are for our most. Rubber material selection guide xnbr or carboxylated nitrile.
Textured fingertips promote sure handling in wet or dry environments. Nitrile rubber belongs to the family of unsaturated copolymers of acrylonitrile and butadiene. Nitrile white rubber food grade discount rubber direct. Pdf the nitrile rubber nbrunmodified montmorillonite nammt clay nanocomposites were prepared by latex blending method followed by melt mixing of. The nitrile rubber properties that are listed below are for our most popular nitrile 70 durometer 70a rubber material compound.
Nitrile should not be used in highly polar solvents such as acetone and mek ozone chlorinated hydrocarbons and. Nitrile butadiene rubber nbr is a family of unsaturated copolymers of 2propenenitrile and various butadiene monomers 1,2butadiene and 1,3butadiene. Pdf preparation and properties of nitrile rubbermontmorillonite. Printer friendly version pdf download download as pdf excel download. This type of rubber has a high tensile strength ranging from. The properties of hydrogenated nitrile rubber hnbr depend upon the acrylonitrile content and the degree of hydrogenation of the butadiene copolymer. Blending of nitrile rubber with plasticised pvc produces vinylbased thermoplastic elastomers. Acrylonitrilebutadiene rubber nbr is wellknown unsaturated copolymers for about five decays. Being a nitrile ru bber, it exhibits excellent resistance to oil especially food based oil and grease. The pvc also provides a significant improvement in solvent. Keydifference neoprene vs nitrile rubber many rubber related product manufacturers rely on various types of synthetic rubber. Does not contain natural rubber latex, eliminating type i allergy concerns. Effect of different nitrile elastomers in down hole. Nitrilbutadieenrubber nbr, kortweg nitrilrubber, is een elastomeer, dit is een.
Two types of blends were prepared using nitrile rubber nbr, brominated butyl rubber biir and ethylenevinyl acetate copolymer eva. Chemical modification of nitrile rubber in the latex stage by. By the research of swelling and mechanical properties of nitrile rubber with different acrylonitrile contents in cyclohexane medium, the influences of physical and mechanical properties with diffrent acrylonitrile contents is analyzed. Thermo gravimetric curves of the unfilled and zirconiafilled composites pdf. A superior reinforcing filler for highperformance nitrile rubber. With appropriate commercial practices, the nitrile rubber sheet material product is safe to handle and in storage. Nitrile rubber and carboxylated nitrile rubber resistance to soybean. White nitrile rubber sheet also has excellent tensile strength 6 mpa, minimum which allows it to be used to make gaskets. These materials offer a versatile range of properties and are used in numerous applications. General features nitrile rubber is a copolymer of acrylonitrile acn and butadiene that is generally resistant to oil, fuel. Nitrile has excellent resistance to oil, gasoline, solvents, mineral and vegetable oils, hydraulic fluid, and fuels. Table 2 main properties of the nitrile rubber samples.
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