Therefore, a tribological study of nitrile rubber is essential to developing a rubber for radial lip seals. Curing and mechanical properties of nitrile and natural rubber. Nbr acrylonitrile butadiene rubber, bunan, nitrile. The rubber used in the work reported here is a rubber formulation typical of that which might be used in the oil and gas industry in sealing application. In general, a radial lip seal is composed of a nitrile rubber. Rubber physical properties charts and data and sheets. Tribological properties of rubber are one critical factor, which directly influences the service life and performance of radial lip seals. Its main applications are in fuel hoses, gaskets, rollers, and other products in which oil resistance is required. Nitrile rubber has fairly low resistance properties. This type of rubber has a high tensile strength ranging from 21 to 31 mpa.
Nitrile butadiene rubber nbr latex is a type of synthetic latex in liquid form with milky color. 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 rubber compositions, articles of manufacture made therefrom, and methods of making them, are disclosed. Nitrile rubber nbr, an oilresistant synthetic rubber produced from a copolymer of acrylonitrile and butadiene.
Whereas the oil and solvent resistance properties of the rubber will retain at the excellent level 8. Email this page download pdf download pdf printable page close window general properties of nitrile properties shown based on rubber manufacturers association sheet rubber. It has the highest thermal conductivity and a moderately high tensile strength among rubber materials. Our most common variations include nitrile rubber sheet, nitrile rubber roll and nitrile rubber strips. Carboxylated nitrile butadiene rubber xnbr is a special type of nitrile butadiene rubber nbr containing carboxyl functional groups which cause to exhibit enhanced tear and abrasion resistance 7. Nitrile rubber nbr is widely used to produce technical devices due to its high resistance against oil, fuel, and chemicals, high abrasion resistance, and low permeability for nonpolar gases 1,2. The example shown here used uniaxial compression at different strain rates and strain cycles. Hnbr is widely known for its physical strength and retention of properties after longterm exposure to heat, oils and chemicals. The graph bars on the material properties cards below compare nbr rubber to other rubber materials top and the entire database bottom. The nitrile rubber sheet manufactured by us are resistant to any kind of fuel and oil, especially petroleumbased and mainly includes petrol, lpg and diesel. Please note that information presented here is general to nitrile polymer.
Nitrile rubber sheet,china nitrile rubber sheet suppliers and. Pdf download for curing and mechanical properties of nitrile and natural. Hnbr can be used with a wide range of temperatures 40c to 165c with minimal degradation of the compound. Nitrile is widely used due to its resistance to oils, fuels, and other chemicals. Nitrile rubber nbr, acrylonitrilebutadiene rubber matweb. Background information on the actual rubber products and their expected environment and service conditions is also presented. Difference between neoprene and nitrile rubber compare the. Nitrile rubbers are copolymers of butadiene and acrylonitrile and are frequently referred to as buna n.
Matl style code metro industries material specification. Nitrile rubber, which is also called bunan or nbr, is an unsaturated synthetic copolymer. Timco rubber can work with your business to design and provide nitrile parts customized for the specific needs of your applications. It provides a good balance of desirable working properties including low compression set. Nitrile rubbers are copolymers of butadiene and acrylonitrile. The influence of silica loading on the mechanical properties of nitrile rubber and its changes due to natural ageing is also examined. A combined study of experimental and molecular dynamics md simulation methods is presented for hindered phenol ao80 nitrile butadiene rubber polyvinyl chloride ao80nbrpvc composites with. Pdf chemical and physical properties of selfcrosslinked. Rubber material selection guide hnbr or highly saturated nitrile. Nitrile rubber belongs to the family of unsaturated copolymers of acrylonitrile and butadiene. Timco rubber can work with your business to design and provide nitrile parts customized for the specific needs of.
Nbr, acrylonitrile butadiene rubber, acrylonitrile butadiene latex, bunan is a synthetic polymer made of monomers 1,3butadiene and acrylonitrile. Nitrile bs2751 ba70 specification sheet martins rubber. It can be produced by freeradical emulsion polymerization of butadiene with 15 to 45 percent acylonitrile either hot hot rubber or cold cold rubber. Raising the acrylonitrile content will increase resistance to oil and solvents and improve abrasion resistance. Acrylonitrile butadiene rubber nbr, usually shortened to nitrile, is a unique elastomer. The curing and mechanical properties of nitrile nbr and natural rubber nr. Hence, nbr is widely used as seal components in harsh applications in the oil and gas industry, such as blow out preventers, retrievable and inflatables packers, pressure. Nitrile butadiene rubber nbr latex market size, share 2026. Our range includes nitrile rubber sheeting specifically created to withstand contact with industrial oils, hydrocarbons, kerosene and high temperatures. Nitrile rubber pdf specification sheet bs2751ba70 author. Download our pdf specification sheet for nitrile rubber elastomer to bs2751ba70 standard from martins rubber. The top countries of suppliers are china, japan, from which the percentage of nitrile rubber properties supply is 99%, 1% respectively.
Nitrile rubber compositions and articles of manufacture made therefrom are disclosed. Aug 27, 2017 nitrile rubber is manufactured by emulsion polymerization of copolymers of butadiene and acrylonitrile. Originally synthesized in germany in 1929, nbr rubber became coveted by industrial countries across the world because of the unique oilresistant traits it possessed. Printer friendly version pdf download download as pdf excel download download to. Pdf mechanical, thermal and transport properties of nitrile rubber. Tribological properties of carbon black filled nitrile rubber. Properties investigation of novel nitrile rubber composites. The composition is shown in table 1 and is based on hydrogenated nitrile butadiene rubber hnbr with 96 % saturated butadiene units with 36 % acrylonitrile content. Following is the list of nitrile rubber properties. The term has also been applied to copolymers of other dienes andor nitriles. Nitrile nbr is a copolymer of acrylonitrile and butadiene rubbers.
Mechanical, thermal and transport properties of nitrile. Nitrile rubber nbr 2020 world market outlook and forecast up to 2029 grants access to the unique data on the examined market. Pdf effect of novolac on mechanical and physical properties. Our antistatic rubber, through a controlled conductivity, lets you download all types ofground static charges, thus, is ideal for assembly lines and integrated circuits that handle all types of chips which is not supported by static electricity. 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. The properties and characteristics of manufactured rubber products may vary based on polymer type and formulation. Synergistic effects of multiple environmental factors on degradation. Nitrile bunan sheet rubber, commercial grade, mediumhard 60 durometer, shore a. Here you will find our nitrile 90 specifications chart which can also be downloaded in pdf. Rubber material selection guide nbr nitrile or buna n. Nitrile is a synthetic latex, a rubber product resulting from research undertaken between the two world wars. Our rubber products are a proprietary blend of various polymers formulated to meet stated physicals and specifications. Nbr is produced with a wide range of molecular weights and monomer ratios so basic polymer properties. Nitrile 70, nitrile rubber properties, nitrile specifications.
Here you will find our nitrile specifications chart which can also be downloaded in pdf. Nitrile rubber can generally be used down to about 30c but special grades of nbr can work at lower temperatures too. Acrylonitrile butadiene rubber nbr, usually shortened to nitrile, was developed in 1941 as the first oil resistant rubber. Its a synthetic rubber polymer known for its superior resistance to fuels such as kerosene, diesel, lubricating oils, grease and petroleum based transmission fluids nitrile bunan nbr is available in sheet, cloth inserted, extruded, or molded forms.
Its high resistance to oils and chemicals make it a useful manufacturing material for the automotive seals and disposable glove industries. Nitrile rubber, also known as nitrile butadiene rubber nbr and bunan, is a synthetic copolymer composed of acrylonitrile and butadiene. Email this page download pdf download pdf printable page. Email this page download pdf download pdf printable page close window general properties of nitrile properties shown based on rubber manufacturers association sheet rubber handbook, second edition.
Constituents of the hydrogenated nitrile butadiene rubber hnbr. Rubber sheet, antistatic mat, cork sheet cork sheet technical specification hic manufactured universal brand universal rubber sheets are used for jointing between flanges andor similar joints subjected to pressures of waterairlow pressure steam up to 3. Comparison chart for nitrile, carboxylated nitrile and hydrogenated nitrile order to saturate the hydrocarbon sequences in high nitrile compound with nitrile acn content of approximately 50%, commonly recommended for use with hydrocarbon fuels resistance than nitrile and has a good chemical low nitrile compound with nitrile acn content. Effect of different nitrile elastomers in down hole. Nitrile 70, nitrile rubber properties, nitrile specifications mykin inc. 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. Jun 07, 2001 hydrogenated nitrile rubber hnbr is a viable alternative to polychloroprene for many automotive applications such as timing belts, seals and hoses.
A wide variety of nitrile rubber properties options are available to you, there are 111 suppliers who sells nitrile rubber properties on, mainly located in asia. Nitrile sheet rubber is commonly used in the automotive and aeronautical industries where the nitrile elastomer is valued for its resistance to oils and certain types of fuels. Nitrile rubber rubber manufacturing brp rubber products. An important factor in the properties of nbr is the ratio of acrylonitrile groups to butadiene groups in the polymer backbone. The table below shows the available datasheets for this material in pdf. Nitrile rubber nbr is the general term for acrylonitrile butadiene copolymer. The resulting articles of manufacture, including gloves have ultimate tensile strength and lower modulus which are soft but strong and can be economically manufactured.
Nitrile rubber, also known as nbr, bunan, and acrylonitrile butadiene rubber, is a synthetic rubber copolymer of acrylonitrile acn and butadiene. Rubber sheet technical specification epdm cork nitrile. 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. The nitrile rubber properties that are listed below are for our most. Nitrile nitrile rubber, as well known as butadiene acrilonitrile, bunan, perbunan, or nbr rubber, was first developed in 1941 in a project meant to find an oil resistant rubber.
Having used a large variety of primary and secondary sources, our research team combined, canvassed and presented all available information on product in an allencompassing research report clearly and coherently. Download as ppt, pdf, txt or read online from scribd. Nbr nitrile rubber sheeting nbr nitrile rubber sheeting is specially formulated to prevent oil attack, meaning its mechanical properties remain intact even in direct contact with oils and grease. We are able to manufacture a range of products from nitrile including gaskets and specialist seals. Its temperature range dry heat is approximately 40c 120c. Download rubber material selection guide nbr nitrile or buna n. This rubber is known for its resistance to chemicals, oils and fuels.
Pdf preparation and properties of nitrile rubbermontmorillonite. Xnbr is nitrile rubber that crosslinks with all the vulcanization systems of normal nbr. Nitrile butadiene rubber nbr is a family of unsaturated copolymers of 2propenenitrile and various butadiene monomers 1,2butadiene and 1,3butadiene. Hydrogenated nitrile rubber hnbr is a viable alternative to polychloroprene for many automotive applications such as timing belts, seals and hoses. Nitrile nitrile nbr, chemically, is a copolymer of butadiene and acrylonitrile. Nbr rubber rubber compounds and molded rubber products. The mechanical response of nitrile rubber can be tested in many different ways. The nitrile rubber properties that are listed below are for our most popular nitrile 70 durometer 70a rubber material compound. All books are in clear copy here, and all files are secure so dont worry about it. Made from acrylonitrile butadiene rubber, duratuf nitrile rubber sheet are black colored rubber sheets, and as already mentioned it is a rubber sheet made from a copolymer of acrylonitrile and butadiene. Rubber material selection guide hnbr or highly saturated. Nitrile bunan nbr rubber is an economical material that provides high resistance to oils and hydrocarbon based fluids. The nitrile rubber compositions of the invention are substantially free of zinc oxide, and have good strength and chemical resistance while being softer than many conventional nitrile rubbers. Grades with high acrylonitrile content have better oil resistance whereas low acrylonitrile content gives better low temperature flexibility and resilience.
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. Nitrile 90, nitrile 90a, nitrile 90 durometer mykin inc. It provides a good balance of desirable working properties including low compression set, high tensile strength, and high abrasion. Nitrile rubber has very high resistance properties. Nbr offers excellent resistance to petroleumbased oils and fuels, silicone greases, hydraulic fluids, water and alcohols. Nitrile rubber data sheets for general purpose and bs ba40 to. It is commonly used to make hoses, seals, gloves, and many other industrial products. The nitrile 90 durometer material is a harder rubber compared to the nitrile 70. Matl style code metro industries material specification rsbne60. Nbr rubber is a thermoset elastomer or rubber material. Read online rubber material selection guide nbr nitrile or buna n. Delta rubber limited supply nitrile rubber in a variety of forms to suit a range of applications. Nitrile is a general purpose oil resistant polymer which has good solvent, oil, water and hydraulic fluid resistance, good compression set, abrasion resistance and tensile strength.
Rubber material selection guide nbr nitrile or buna n robinson. Our rubber products are a proprietary blend of various polymers formulated to. It has excellent mechanical, thermooxidative and chemical resistant properties and an excellent operating temperature range. The ratio of the two polymers affects the properties of a rubber compound. However, nbrs oil resistance depends on the grade of acrylonitrile. Nbr rubber,nitrile rubber properties,applications of nbr. Nitrile rubber nbr, acrylonitrilebutadiene rubber categories. By selecting an elastomer with the appropriate acrylonitrile content in balance with other properties, industrial nitrile rubber nbr is used in a wide variety of application areas requiring oil, fuel, and. Nbr or the nitrile synthetic rubber is considered the workhorse of the rubber products of the automotive and other industrial units. In the production of nbr, acrylonitrile ch2chcn and butadiene. Nitrile rubber nbr nbr is a family of unsaturated copolymers of acrylonnitrile can and butadiene monomers. Nitrile rubber, also known as nbr, bunan, and acrylonitrile butadiene rubber, is a synthetic.
It is the most widely used and economical elastomer. These free groups are introduced in order to increase the degree of crosslinking of the vulcanization systems and improve abrasion resistance and. General features nitrile rubber is a copolymer of acrylonitrile acn and butadiene that is generally resistant to oil, fuel, aliphatic hydrocarbons, and other chemicals, but can be attacked by ozone, aromatic hydrocarbons, ketones, esters and aldehydes. Preparation and properties of nitrile rubbermontmorillonite nanocomposites via latex blending article pdf available in journal of materials science 4122.
Closed cell epichlorochydrin ech, durafoam c41ech, c42ech, c43ech, c44ech, c45ech series. Nitrile should not be used in highly polar solvents such as acetone and mek ozone chlorinated hydrocarbons and. B1105 nbr bunan nitrile datasheet test report marco rubber. Most commonly used general purpose oring material because of relative low cost, good mechanical properties, and basic resistance to many common lubricants.
21 469 415 330 1431 657 286 867 1266 791 562 299 898 1120 442 5 695 420 428 315 1128 1011 93 303 265 1355 814 258 572 1108 1445 439 711 150 443 129 1243 1062