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Hnbr chemical compatibility

hnbr chemical compatibility The use of this chemical to promote adhesion of other elastomers to HNBR is currently being patented. Food grade o-rings, gaskets, seals, and tubing for processing equipment. *Please contact service@usasealing. What is platinum curing? Platinum curing is used in liquid silicone material technology. Press Carbon Steel Gas Coupling with Stop and HNBR Seal (PWR7481298) at Ferguson. Compatibility of elastomers in a particular environment is a function of polymer chemical structure and its formulation. Factors such as chemical concentration, operating temperature and pressure affect the stability / compatibility with the chemicals. Use the chemical resistance guide below to help you determine which rubber is recommended to use based on your chemical application. HNBR shows good mechanical properties. Trelleborg Sealing Solutions can offer alarge number of materials within each group. Low temperature range is - 40 F for both materials. Alton Way, Unit I Centennial, Colorado 80112 (303) 758-2728 Chemical Resistance Chart 1 1. Hasseb et al. AMINES MIXED (EG: ALLYL, ETHYL, ETC. Physical properties (e. pends on the chemical properties of the oil, the re-frigerants, the operating conditions of the plant and the required oil viscosity during startup and run. HNBR is obtained by either partial or complete hydrogenation of acrylonitrile-butadiene rubber. When service conditions include high humidity high temperature and exterior exposure G-30 would be a good choice. The chemical resistance, however, is only a part of the overall operating conditions and there is a possibility that the chemical resistance will be significantly reduced because of unknown factors in the practical application of seals. FEPM elastomers are suitable for long-term service in air up to 225°C/437°F and for short periods up to 250°C/482°F, but are limited in low temperature applications. -30°C. Fluid compatibility table Fluid NBR EPDM FKM TPU HNBR CR FMQ MQ IIR BR IR SBR FFKM ACM PTFE Dow Chemical 50-4 ↑ ↓ ↓ Exceptional compatibility. Title: Module 6: Chemical Resistance Author: John Laffend Created Date: 4/12/2006 4:47:41 PM CHEMICAL COMPATIBILITY CHART Chemical 20°C 60°C 20°C 60°C 20°C 60°C 20°C 60°C Acetic acid solution <90% R R R R R R R R Acetic acid, glacial R U U U A U R Fluid Compatibility Strong swelling and rapid deterioration or complete breakdown of an elastomeric part may occur if the elastomer is not compatible with the fluid it is exposed to. Contact our materials technologists for help and advice. Chemical Compatibility HNBR, FKM, FKM ETP, and FFKM plunger packings and check valve seals can handle some of the most aggressive chemicals. Doing so removes the olefinic groups, which are vulnerable to chemical degradation. materials they may come in contact with. The information in this chart is a general experimental value of the material but not a guaranteed value. Hydrogenated Nitrile (HNBR, HSN) Hydrogenated Nitrile (HNBR) is a synthetic polymer that results from the hydrogenation of nitrile rubber (NBR). The elastomer, when properly formulated, can be used to fabricate o-rings, gaskets, seals, packings, and coatings possessing several unique properties: HNBR Sealing Element Operating temperature:-40°F to 180°F (-40°C to 82°C) HNBR, or Hydrogenated Nitrile Butadiene Rubber, is a speciality purpose compound used where resistance to petroleum-based additives are required. Compatibility with fireproof hydraulic fluids, ketons and alkalis MSDS­­ EPDM Peroxide. When the composition of the well or conditions of the application are known, HNBR XploR™ H9T20 may prove the (HNBR) Engine Coolants, Oxygen/ Alcohol Better high temperature and Ozone, Steering Fluid Containing Fuels Compression set resistance than Duro: 70 Standard Sour Crude, Refrigerants Standard Nitrile. HNBR: Obtained by either partial or complete hydrogenation of acrylonitrile-butadiene rubber, the generic name for this substance is hydrogenated nitrile rubber (HNBR). COMPATIBILITY CHEMICAL COMPATIBILITY Chemicial Compatibility Guide The following information is intended to be used as a general guideline for pump material selection. 35 mm) • 3/8 in (9. Specific physical and chemical resistances vary by compound formulation. O-rings from Parker OES: seals, fluids and gases . This composition was chosen to represent a typical HNBR that might be used in sealing applications in oilfield applications, and includes a base polymer which is 96% saturated with 36% acrylonitrile content. On request with Grasso also different than in the table indicated oils can be used. The most widely used are the AMS, AS, AN, M, MS, MIL and NAS specifications. 35 mm) Low temperature ED resistant HNBR for the oilfield industry DANCO INDUSTRY is proud to present to you a new technology peroxide cured hydrogenated nitrile elastomer compound. HNBR is similar to NBR but has a greater resistance to ozone. HNBR is -50 to 320°F (-46 to 160°C). We thus suggest that you contact our technical support staff . Polymer compatibility with solvents other than those in this chart may arise: the General Principles to approach this issue are: Professor Malcolm F Fox Research and Development Manager temperatures. Only a few studies have been published regarding the potential risks associated with using HFOs in HVAC&R Chemical Santoprene Rubber Chemical Santoprene Rubber Chemical Santoprene Rubber Chemical Santoprene Rubber Lead Nitrate E Methyl Propyl Ether G Mil-L-21260 - Nickel Sulfate E Lead Sulfate E Methyl Salicylate G Mil-L-23699 - Nietylene - Lime E Methyl Styrene X Mil-L-25681 - Nitric Acid, 10% E Lime Bleach E Methyl Sulfide G Mil-L-3150 - Nitric temperature capability of 450°F and good chemical resistance, including resistance to strong acids and bases. VITON . HNBR material properties HNBR, even at raised temperature, has great mechanical properties. » Available in NBR, HNBR & FKM for a wide range of abrasion resistance, thermal capabilities and chemical compatibility » Available in sizes from 17. For chemical resistance information on valves using FPM seals please refer to FPM Chemical Resistance Guide. HNBR or Hydrogenated NBR is also known as HSN Highly Satuarated Nitrile rubber is an Buna Rubber with a high saturation of Butadiene Carbon Polymer giving improved chemical, abrasion resistance and dynamic loading resistance compared to standard NBR. The main difference between HNBR and NBR is the highly saturated backbone that results in an improvement in resistance to heat and chemical attack. manufacturer of rubber chemicals/additives,focus on specialties, such as curing agent HDC, accelerator ACT-55, ZAT, SDT, anti-aging agent, anti-reversion HNBR Hydrgenated Nitrile 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. The covulcanization characteristics, mechanical properties, compatibility, and hot‐air aging resistance of hydrogenated nitrile‐butadiene rubber (HNBR)/ethylene‐propylene‐diene rubber (EPDM) blends cured with either sulfur or dicumyl peroxide (DCP) were studied. manufacturer of rubber chemicals/additives,focus on specialties, such as curing agent HDC, accelerator ACT-55, ZAT, SDT, anti-aging agent, anti-reversion Abstract. HNBR rubber is a hydrogenated NBR specially designed for demanding applications requiring excellent durability in aggressive environments over a wide temperature range from -40 to 160°C. 2. LEGEND: 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data This compatibility guide addresses the ability of the seal material to resist the contacting fluid. It has better wear and extrusion resistance than NBR and has good chemical compatibility. g. Instructions: CHEMICAL RESISTANCE TABLE Page 1 of 14 The data given in the extensive Table below is the current ‘best state of information’ as known to Nylacast. ™ 5-1 thru 5-28 10/7/98 9:09 AM Page 5-1 Hydrogenated Nitrile Rubber also known as Highly Saturated Nitrile Rubber (HNBR). How to use this tool: To use the tool, simply type in the chemical, hit search, and the associated resistance ratings will automatically populate. AFLAS ® is the tradename for a unique fluoroelastomer based upon an alternating copolymer of tetrafluoroethylene and propylene (TFE/P). About HNBR. The effect of Chemical XX on the physical properties of HNBR is also shown in table 5 and the ODR rheograms for HNBR, both with and without Chemical XX, are shown in figure 6. G-30 has better compatibility than other polymeric plasticizers. Due to the polymer structure, HNBR offers both resistance to polar and nonpolar media. HNBR materials also possess superior mechanical properties and enhanced fluid compatibility over standard nitrile compounds. You can vulcanize NBR and HNBR by peroxides. HNBR or Highly Saturated Nitrile . Shore A diamterr of 90 and black in color, . (select a chemical to show its compatible O-ring materials) Acetaldehyde: Acetamide: Acetic Acid, Glacial: Acetic Anhydride: Acetone: Acetophenone: Acetyl Chloride: Acetylene Gas: Acrylonitrile: Air below 200 C: Alkazene: Aluminium Acetate: Aluminium Chloride: Aluminium Flouride: Aluminium Nitrate: Aluminium Sulfate: Ammonia, Anhydrous: Ammonia, Gas, Cold: Ammonia, Gas, Hot AFLAS ® resists many organic solvents!. They are not the same. com or call 1-844-365-7315 to learn about pricing and purchase minimums* The chemical compatibility of a seal with fluids in a system is critical to obtaining a reliable, long-lasting seal. The data given should be used cautiously, and as a guide only. 85 likes. The customer assumes sole responsibility for the design, and must test and verify the material of the seal for each specific application. However, they are not compatible with aromatic hydrocarbons, chlorinated hydrocarbons (e. TRE_Cover_Materials_chemical_Compatibility_guide_gb_17. As an indication we have detailed the type of polymer we feel is suitable. Base resistant FKM is swelling by slightly more than 10 percent while hardness is reduced simultaneous-ly. Excellent resistance to oils, water, and mild chemicals. The operating temperature ranges, when in contact with mineral oils and greases from -30°C/-22°F to 140°C/284°F Polymer Spheres compatibility with a wide variety of base materials and applications is one of its strengths. To determine the solubility of AFLAS in the most commonly encountered organic solvents examine the table below. 1. ). Chemical compatibility is often compromised when handling more than one chemical or when handling compounds containing impurities. HNBR O-Rings (Hydrogenated Nitrile Butadiene Rubber) HNBR o-rings and seals offer resistance to aggressive chemical media at a level comparable with NBR seals, but with the added advantage of enhanced stability with exposure to heat and oxidation. ) AMINES MIXED (EG: ALLYL, ETHYL, ETC. It also has better resistance to ozone, sunlight, and other atmospheric conditions. These properties allow HNBR materials to be a cost effective bridging compound between nitrile and fluorocarbon elastomers. This hose compatibility chart is a reference of Manuli Hydraulics hose compatibility with various fluid media. NOT compatible with ozone, most acids. No information. If no particular specifications are given for the material, standard NBR (Nitrile Rubber) in 70 ShoreAwill be Chemical Compatibility Chart It is the sole responsibility of the system designer and user to select products suitable for their specific application requirements and In comparison to NBR, chemical properties of HNBR under high temperatures have been significantly improved. Phone +44 (1202) 674671; Download our guide to custom rubber; Watch our video(s) Testing, analysis and development to deliver reliable and consistent performance Chemical compatibility Nitriles are good general purpose, oil resistant materials. Compatibility Key: 1 = EXCELLENT | 2 = GOOD | 3 = POOR | 4 = DO NOT USE. CHEMICAL / FLUID A AN-O-3 Grade M AN-O-366 AN-O-6 AN-VV-O-366b Hydr. com) Shrieve Chemical Products, Inc. Natural or nitrile rubber compounds, polypropylene, polyvinyl, and Tygon materials are particularly vulnerable. The hydrogenating process saturates the polymeric chain with accompanying improvements to the ozone, heat and aging resistance of the elastomer and improves overall mechanical properties. xlsx Author: jorn. ) AMMONIUM HYDROXIDE (CONC. HNBRs have better oil and chemical resistance than nitrile rubbers and can also withstand much higher temperatures. resistance of the specific thermoplastics we use in the construction of our products, to common chemicals. parkerorings. Compatibility of R1234yf and R134a and Lubricants used in Automotive Compressors Christopher Campo, Carolina Solano, Shelby Kent, Christopher Seeton, PhD Shrieve Chemical Products, Inc. Superior mechanical characteristics, particularly high strength, helps reduce extrusion and wear. The compatibility of polymeric insulation material with refrigerants and refrigerant-lubricant combinations depends on three primary modes of interaction: absorption, extraction and chemical dissolution by the refrigerant and/or lubricant. AA Chemical Compatibility Guide Chemical Compatibility Guide The Diaphragm Pump Business Unit First choice when quality counts. Rubber Compound. Hydrogenated Nitrile Rubber (HNBR) properties depend upon the acrylonitrile content and the degree of hydrogenation of the butadiene copolymer. 5 Simrit Chemical Compatibility Guide ACM AU EPDM FFKM FVMQ IIR NR SBR VMQ Chemical Medium AEM CR ETP FKM HNBR NBR PTFE TFE/P 1] Little or no effect (Volume swell <10%) 2] Possible loss of physical properties (Volume swell 10–20%) Excellent chemical resistance. Order by Rating. Improved HNBR is swelling by only 1 percent after 72 hours and 4 percent af-ter 200 hours, hardness change is -3 and +3 percent respectively. NBR Nitrile-butadiene rubber (NBR) is a copolymer made from butadiene and acrylonitrile. CHEMISTRY AND MANUFACTURING PROCESS The material itself is a derivative of nitrile rubber, Chemical Compatibility All types of elastomers are susceptible to chemical attack of varying degrees. Sign up Unit 3, 80 Reserve Road, Artarmon NSW 2064, Australia; Phone : +61 2 9438 1622 | Commonly called HNBR, these O-Rings are made of Buna-N which is hydrogenated to increase it's strength and temperature resistance. • Alongside this, further HNBR material properties include; - Hydrogenated Nitrile Butadiene Rubber CR IIR NBR NR SBR HNBR CR IIR NBR NR SBR HNBR Q - Group (with Silicone in the main chain) - Fluorosilicone Rubber - Methyl Vinyl Silicone Rubber FVMQ VMQ FVMQ VMQ U - Group (with carbon, oxygen and nitrogen in the main chain) - Polyester Urethane - Polyether Urethane AU EU AU EU Chemical Compatibility Guide hydrogenated nitrile (hnbr) HNBR is created by partially or fully hydrogenating NBR. The fact that they are less expensive than more complex high performance elastomers ensures their continuing popularity for sealing applications across all industrial sectors. 314-790 Rev. ---Select Rubber Compound--- Aflas EPDM FKM HNBR Hypalon IIR Kalrez Neoprene Nitrile NR Polyacrylate Polyurethane PTFE PVC SBR Silicone. Unless otherwise stated, the testing has been conducted at room temperature. HNBR also resists new bio-oils (biological oils). Nitrile NBR Hydrogenated Nitrile HNBR Ethylene Propylene EPDM Fluorocarbon FKM Hifluor FKM Perfluoroelastomer FFKM Aflas (TFE/Propylene) FEPM Neoprene/Chloroprene CR Styrene-Butadiene SBR Polyacrylate ACM Polyurethane AU, EU Butyl IIR Butadiene BR Isoprene IR Natural Rubber NR Hypalon CSM Fluorosilicone FVMQ Silicone MQ, VMQ, PVMQ 7-2 The properties of hydrogenated nitrile rubber (HNBR) depend upon the acrylonitrile content and the degree of hydrogenation of the butadiene copolymer. → 1/2 in. The hydrogenation process gives HNBR materials enhanced thermal stability (up to 149°C/300°F, with short periods at higher temperatures). g. HNBR is ideal for industrial products normally made of NBR, and can be used Chemical and material compatibility of refrigerants are important design parameters given the expectation that products will be operable for at least 10 to 20+ years. in connection with oil and petrol separators at service stations, garages etc. What is an O-ring? How an O-ring works . Expansion can be done in binders and fibrous materials and yield a homogeneous closed cell structure that’s lower in VOC’s compared to chemical blowing agents. Upon using a chemical, always test the equipment with the specific chemicals under the specific conditions of your application by referring to this chart. We approach all rubber applications with innovative, collaborative techniques with the end goal being to add value to your products and services with affordable, innovative CHEMICAL COMPATIBILITY 5-1 Form No. Fluid Compatibility. Materials used in the CHEMICAL COMPATIBILITY GUIDE CHEMICAL/ELASTOMER LISTINGS NBR EPDM HNBR CR FVMQ FKM-ETP NR SBR Chemical Medium FKM VMQ AU ACM TFE/P FFKM IIR 1] Little or no effect (Volume swell <10%) 2] Possible loss of physical properties (Volume swell 10–20%) 3] Noticeable change (Volume swell 20–40%) 4] Not suitable for service –] Insufficient info Hydrogenated Nitrile (HNBR) o-rings, also known as Highly Saturated Nitrile (HSN), are made of a synthetic polymer that is obtained by saturating the double bonds in nitrile=s butadiene segments with hydrogen. Resists chemicals, amines, hydrogen Temperature: -40° To 325° sulfide and ozone that typically attack standard Nitrile compounds. This type of rubber has a high tensile strength ranging from 21 to 31 Mpa. Consistent Operation Pump cycle rate remains constant regardless of system back pressure. The physical and chemical resistance properties of NBR materials are determined by the acrylonitrile (ACN) content of the base polymer: low content ensures good FLUID COMPATIBILITY Contact Us For Assistance Seal & Design has many other compounds available. CHEMICAL COMPATIBILITY 5-1 Form No. com www. marcorubber. com/ o-ring-chemical-compatibility-chart. The Chemical Compatibility tool allows visitors to select the chemical in their application and find the best suited elastomer for service. Hydrogenated Nitrile Butadiene Rubber (HNBR) is a unique copolymer of butadiene and acrylonitrile, which is also known as Highly Saturated Nitrile. Our R1008 compound is a peroxide-cured explosive decompression resistant HNBR. 85 likes. Main uses of HNBR The enhanced physical properties of this synthetic rubber copolymer make it the perfect material for both the automotive and oil industries, due to its excellent resistance. HNBR is suitable for high dynamic loads and has a good abrasion resistance HYDROGENATED NITRILE (HNBR) HNBR is achieved by hydrogenated NBR. TFE/P has very good electical insullation properties as well as acidic resistance. Qingdao Shape Chemical CO. All wet end construction materials meet the requirements of NACE MRO175 and ISO 15156. O-ring selection is based on chemical compatibility, application temperature, sealing pressure, lubrication requirements, durometer, size and cost. Due to the polymer structure, HNBR offers both resistance to polar and nonpolar media. ---Please Select Rubber Compound First---. Their properties can be controlled by varying the acrylonitrile level, residual double bonds and molecular weight. Parker O-Rings for Fluid Sealing. It is intended as a guide to chemical compatibility with inner tube materials and assembly lubricants applied internally to the hose. ) for typical oilfield drilling service, and is widely used in that industry. The Fluid Compatibility Chart lists the relative resistance of hose tube and fitting properties like elasticity or good chemical compatibility. g. and acetone), organic acetates and organic refrigerants. The tool may not predict the effects on the elastomer where a blend of chemicals is to be applied. The Woodlands, Texas, USA (281-203-1102, cssolano@shrieve. g strong acids or alkalis). Nylon Chemical Compatibility Chart: Check the chemical compatibility of Nylon with various chemicals, solvents, alcohols and other products. Names: Hydrogenated Nitrile , HNBR , HSN. indd 2-3 17. Product Overview. FKM was the only material which showed the best compatibility with all fuels and was not practically affected in case of elongation. The portfolio includes compounds in HNBR, FKM, Aflas® and Isolast® Perfluoroelastomer, each of which demonstrates best-in-class Explosive Decompression Resistance (EDR) for its material type. In my opinion all other properties depend on the formulation, ACN content etc. 8 a), both EPDM and HNBR show a continuous relaxation which is faster for HNBR. Chemical Compatibility. Reactions between the polymers used in seals and the chemicals in fluids vary greatly. Chemical Compatibility Chemical compatibility testing is important from the standpoint of selecting chemicals that are compatible with the production, fracturing, completion, storage and hydrotest fluids that they may encounter, as well as other production chemicals that they may contact in direct or dilute form. HNBR : Hydrogenated Nitrile Butadiene Rubber HNBR rubber compound Obtained by hydrogenating NBR nitrile rubber , HNBR offers outstanding physical properties – particularly abrasion resistance – combined with good mechanical properties at elevated temperatures plus excellent resistance to many chemically aggressive technical oils. HNBR elastomers provide excellent resistance to common automotive fluids such as engine oil, fuel and coolant as well as many other industrial chemicals. The original crosslinking chemistry used a blocked diamine, hexamethylene diamine carbamate (HMDAC). This polymer has a wide application in modern technology, for instance in the production of biodiesel. HNBR/EPDM blends: Covulcanization and compatibility Abstract The covulcanization characteristics, mechanical properties, compatibility, and hot‐air aging resistance of hydrogenated nitrile‐butadiene rubber (HNBR)/ethylene‐propylene‐diene rubber (EPDM) blends cured with either sulfur or dicumyl peroxide (DCP) were studied. It is meant for use in pads, seals and gaskets, among many other applications. Configurations Fluid Plunger Sizes • 1/8 in (3. HNBR is resistant to mineral oil-based hydraulic fluids, animal and vegetable fats, diesel fuel, ozone, sour gas, dilute acids & bases. Chemraz ®, a perfluoroelastomer combining the broad, almost universal chemical resistance of PTFE with the resilience of elastomers, is our most chemically resistant material. 863-294-8483 Fax: 863-294-7783 . 2008 09:52:28 29. 18 mm) • 3/16 in (4. studied the degradation of different elastomers in contact with palm biodiesel [ 9 ]. Speciality compounds can be derived to enhance or modify the performance to meet o-ring's application needs. Nylon has a high melting point, around 256°C / 492°F. The Woodlands, Texas, USA (281-687-0997, ccampo@shrieve. ydrogenated Acryonitrile Butadiene Abbreviation HNBR ASTM D-2000 Classification DH Chemical Definition Hydrogenated Acrylonitrile Butadiene RRP Compound Number Category 30000 Series ♦ Physical & Mechanical Properties Durometer or Hardness Range 30 – 95 Shore A * The chemical compatibility and physical properties are listed as general characteristics of the HNBR o-ring compound. Compound Compatibility Rating Chemical resistance for EPDM applies to valves and fittings using EPDM seals. NBR is a copolymer of ACN and 1,3-butadiene. Typically, Wilkinson's catalyst is used to promote the hydrogenation. ) AMMONIUM HYDROXIDE (CONC. This process results in the superior heat, ozone, chemical resistance and mechanical characteristics of HNBR over standard Nitrile. However, carbon dioxide (a naturally occurring gas that is frequently encountered in hydrocarbon HNBR Rubber Sheet Hydrogenated Nitrile is also known as saturated Nitrile, is obtained by introducing Hydrogen into the Nitrile to saturate the hydrocarbon chains in the rubber. Greatly improved wear and extrusion resistance over standard NBR. Low Minimum Order. HNBR is a modified form of NBR exhibitin that offer enhanced stability, better compatibility and physical properties with extended working temperature in comparison to nitrile rubber (NBR). kvithyll Created Date: 3/16/2012 1:50:17 PM hydrogenated nitrile rubber (“HNBR”) is being accepted in its place on account of its similar “toughness” and improved stability in the presence of heat and reactive chemical species. Add to Cart + Add to My List. Hydrogenated nitrile butadiene rubber (HNBR) Hydrogenated nitrile butadiene rubber (HNBR) is produced by hydrogenation of NBR. 12. HNBR form compatible blends at all proportions. com Parker O-Ring Handbook Section VII – Compatibility Tables for Gases, Fluids, Solids Basic O-Ring chemical resistance compatibility information is based on isolated generic O-Ring material testing in optimal conditions at room temperature and pressure. The information accuracy of these ratings cannot be guaranteed, nor is it a complete list due to the extensive area of this field. Therefore, the usage of this material for production of O-rings is recommended. HNBR o-rings are commonly used in place of Nitrile o-rings where high temperature is a factor. HNBR is a hydrogenated version of NBR (nitrile) rubber. The term HNBR stands for hydrogenated nitrile butadiene rubber. What’s the difference between nitrile and HNBR? HNBR was originally developed as an "improved" version of nitrile. Unfortunately, the selection process can be extremely challenging, especially if based solely on chemical compatibility charts. But what many people don’t know is that Kureha Polymer Microspheres can be combined with many grades of base materials to create unique new materials. HNBR is made via selective hydrogenation of the NBR butadiene groups. 000” to 80. Extended temperature capabilities. HNBR can be used with a wide range of temperatures (-40°C to 165°C) with minimal degradation of the compound. High quality O-rings with temperature and chemical resistance $ 9 99. resistance of the specific thermoplastics we use in the construction of our products, to common chemicals. compatibility over standard nitrile compounds. CHEMICAL ABS CPVC LDPE POLYPROPYLENE PVC PVDF (KYNAR ®) BRASS BRONZE CARBON ST EE L CA S T IRON The Chemical Compatibility Guide is to be used to help guide the user to a material based on existing compatibility test results of known chemicals and elastomers. Chemical compatibility; Keep up to date with seal news. 12. Peroxide cured HNBR sheets of 2 mm thickness were prepared with the composition shown in Table 1. Good chemical compatibility and it is excellent heat and oil resistant including exposure to such oil additives as detergents, anti-oxidants and anti-wear agents. The percent crystallinity of the blend was mea-sured using X-ray and is plotted against the weight Compatibility Materials Reactive to Ethanol and E85 Incompatible Metals: ' Zinc ' Brass ' Lead ' Aluminum ' Terne (lead-in alloy common in older OEM fuel tanks) ' Lead-Based Solder Incompatible Non-Metallic Materials: ' Natural Rubber ' Polyurethane ' Cork Gasket Material ' Leather ' Polyvinyl Chloride (PVC) ' Polyamides ' Methyl-Methacrylate Nylon is generally chemically resistant to oils and fuels, gasoline, mineral spirits, and some alcohols. ) The ERIKS O-ring Chemical Resistance Guide allows you to check some 20 different rubber families and some plastics against over 2000 chemicals. entanglement slippage, relaxation of dangling chain ends ) and chemical reactions (e. The chemical description is hydrogenated acrylonitrile-butadiene rubber (ASTM 1418 HNBR), (ASTM D2000 DH). The chemical compatibility of a seal with the fluids in a system is critical to obtaining a reliable, long-lasting seal. AFLAS is categorized under the ASTM D1418 designation of FEPM. Some organic and halogenated solvents are absorbed causing minor dimensional changes but these effects are physical and also reversible. Seals for automotive fuel handling systems. Before permanent installation, test the equipment with the chemicals and under the specific conditions of your application. , LTD. HNBR (Hydrogenated Acrylonitrile-Butadiene Rubber). Compound Compatibility Rating: 1 – Satisfactory (little or no effect) 2 – Fair (possible loss of physical properties) 3 – Doubtful (noticeable change – significant swelling) 4 – Unsuitable. com) HNBR is good for gasoline, I don't think I would trust HF though. Hardness: 85 ±5 Shore A ; Pressure: up to 160 bar ; Temp Chemical Compatibility & Resistance Gasket Material Chemical Compatibility & Resistance. Temperature range +150C Max. The data table below is an application guide, and indicates the . At 100 °C ( Fig. Chemical Compatibility Guide HIGH-PERFORMANCE MATERIALS Greene, Tweed offers customized-engineered components that optimize the total system. In order to meet a wide variety of chemical compatibility needs and applications, wetted parts are available in 316 SS, and seals are available in Viton, HNBR, FKM, and FFKM. HNBR has a good overall balance of characteristics (chemical, abrasion, compression set resistance, etc. HNBR exhibits excellent heat, ozone and Chemical Compatibility. Hydrogenated Nitrile (HNBR): Nitrile base with added chemical strength and resistance following hydrogenation. 08. The nitrile groups are unaffected. HNBR materials also possess superior mechanical properties and enhanced fluid compatibility over standard nitrile compounds. Parker Hannifin O-Ring & Engineered Seals 2360 Palumbo Drive Lexington, KY 40509 Ph: 859-269-2351 Fax: 859-335-5128 oesmailbox@parker. R1008 provides good chemical resistance crude oil, lubricating agents and oil additives with superior resistance to carbon dioxide, water, drilling mud and amine corrosion inhibitors. Effects of incompatibility depend on the form of chemical attack and the temperature at which effects occur. HNBR articles are offered both in a broad range of standard and custom O-rings as well as application-specific moulded parts. HNBR is known for its physical strength and resistance to heat, oil, and chemicals. This makes the Rubber Sheeting more resistant to Oils & Gasses (including Sour Gas), improves its physical properties and increases the working temperature range Chemical resistance PTFE PTFE is affected by some alkali metals (molten or in solution) and rare fluorinated compounds at high temperatures and/or pressures. On account of this molecular structure, AFLAS has outstanding base resistance (e. • HNBR presents improved wear and extrusion compatibility • Enhanced resistance to heat, ageing and applications • Properties in Hydrogenated Nitrile elastomers industries that use oil - powered applications • Industries served: Petrochemical, Offshore Drilling, Agriculture, Earth Moving and Construction, and Automotive Compatibility Tables for Gases, Fluids, Solids Parker Hannifi n Corporation • O-Ring Division 2360 Palumbo Drive, Lexington, KY 40509 Phone: (859) 269-2351 † Fax: (859) 335-5128 www. Contact us for access to product samples of all our products. M. The hydrogenation of NBR (ref. Safety Valves 32 to 300 F HNBR, FKM Resiliency, AED, chemical resistance to 10,000 psi Fracturing Equipment -40 to 250 F HNBR, FKM Chemical resistance, high pressure to 7,500 psi Pumps -40 to 250 F HNBR, FKM Chemical resistance, high pressure, to 7,500 psi high temperature Chemicals -40 to 250 F HNBR, FKM, FEPM Chemical resistance, high pressure, HNBR offers extraordinarily good mechanical properties and abrasion resistance. This is only a recommendation, which gives no obligation or warranty on account of Trelleborg Pipe Seals B. balance of oil, chemical, heat and cold resistance allows it to work well in a wide variety of automotive and industrial applications. Hydrogenated Nitrile (HNBR) is ZEON’s toughest, most durable elastomer. CHEMICAL RESISTANCE Concentration % Grade 1 = No significant effect 2 = Minor effect 3 = Moderate effect 4= Severe effect It has better wear and extrusion resistance than NBR and has good chemical compatibility. The very basic character of any amine initiates dehydrofluorination at a vinylidene fluoride (VF2) site, now followed by an amine addition (crosslink). FFKM also has improved chemical resistance, with nearly universal chemical compatibility. HNBR. It is also highly durable and demonstrates improve abrasion resistance. Global O-Ring and Seal has developed an easy-to-use tool to identify the chemical compatibility of our most common materials in four easy steps. com CHEMICAL COMPATIBILITY CHART . The compatibility is presumably due to some dipole–dipole interaction between HNBR and EVA. Global Hydrogenated Nitrile Butadiene Rubber (HNBR) Market1. O-rings from Parker's O-ring and Engineered Seals division and Chomerics are available in standard and metric sizes and compounds, including Viton O-rings, metric Viton O-rings, silicone O-rings, fluorosilicone O-rings, perfluoroelastomer FFKM O-rings, buna O-rings Qingdao Shape Chemical CO. 01. The HNBR O ring is commonly used for power-assisted steering and for air conditioning. AFLAS is a copolymer of tetrafluoroethylene (TFE) and propylene (P). HNBR has excellent resistance to sour oil and gas, steam, hot water and ozone. of extended physical strength and chemical resistance characteristics • Also known as Saturated Nitrile, which is acquired by initiating Hydrogen into the Nitrile in order to saturate the hydrocarbon sequences in the elastomer • HNBR presents improved wear and extrusion resistance than Nitrile and has a good chemical compatibility Use our chemical compatibility database to check over 1,600 chemicals against all the major polymers. HNBR has been developed to meet higher temperatures than standard NBR while retaining resistance to petroleum based oils. HNBR is widely known for its physical strength and retention of properties after long-term exposure to heat, oils and chemicals. The table below is a guidance of the chemical resistance of rubber materials. Nitrile rubber possesses unique physical and chemical properties that make it one of the most widely used synthetic elastomers in the world. Also an excellent choice for automotive refrigerant service. HNBR polymers are high temperature and oil resistant elastomers. ™ 5-1 thru 5-28 10/7/98 9:09 AM Page 5-1 Nitrile rubber, also known as Nitrile butadiene rubber (NBR) and Buna-N used for Oil seals, Adhesives, Belts, hoses, O rings, gaskets and more. Zetpol resists prolonged exposure to 160°C as well as superior resistance to hot oil, solvents, and fuel. Excellent resistance to oils, water, and mild chemicals. This material is also known as highly saturated nitrile, considering the chemical composition of the polymer material. Has an extended high temperature range. Parker's hydrogenated nitrile KB163-90 (HNBR) a hydrogenation of nitrile rubber (NBR), has superior mechanical characteristics, particularly high strength, resulting in increased strength and durability. In selecting a suitable material for your system, we consider stresses, strains, creep, friction, modulus, chemical compatibility, operating temperatures, and microstructure. The main difference between HNBR and NBR is the highly saturated backbone that results in an improvement in resistance to heat and chemical attack. HNBR compounds are formulated to meet demanding applications and environments with a wide operational temperature range. HNBR compounds tend to be more expensive. More testing is being done to extend this list of vulnerable materials. HNBR is made via selective hydrogenation of the NBR butadiene groups which improves the temperature and ozone resistance considerably. The data table below is an application guide, and indicates the . It is achieved by hydrogenated NBR. Choosing the correct gasket material for your application is critical, especially in an environment where you may be sealing against aggressive chemicals (e. Features and benefits • High tensile properties • Low compression set • Good low temperature properties • Excellent heat resistance • Good resistance to aggressive and crude oils • Good chemical compatibility Chemical Compatibility Please click the button to the right to view a Chemical Compatibility List for the High Purity Polymer or O-Ring Material in question. HNBR rubber, Properties & Applications. 100°C. Hydrogenated Nitrile was specifically developed for increased temperature resistance and better compatibility with new automotive fuels. × Dismiss alert Material Code N E C G S B O H V P F A K Material Name Nitrile EPDM […] Chemical compatibility guide This chart is intended as a general guide and details the suitability of elastomers in various chemicals and fluids. Temperature 3. We have tried to outline the more common substances. Hydrogenated Nitrile (HNBR) is superior to normal Nitrile (NBR), achieved through saturating the Butadiene with Hydrogen. We have 100 years of experience developing high-performance materials for a range of industries, from medical, aerospace and defense, to fluid handling, oilfield and semiconductor. AA Chemical Compatibility Guide Chemical Compatibility Guide The Diaphragm Pump Business Unit First choice when quality counts. oxidative chain scissions) . ) are also excellent and compounds exhibit good chemical compatibility portion of the project will be reported. Chemicals Compatible with Buna-N (Nitrile) (select a chemical to show its compatible O-ring materials) Acetaldehyde (1) Acetamide (4) Acetic Acid, Glacial (1) Acetic Anhydride (4) Acetone (1) Acetophenone (1) Material Compatibility Tables The following tables suggest compatibility between various seal fluid path types v. Hydrogenated Nitrile also offers higher strength and minimal degradation at high temperatures. Hydrogenated Nitrile Butadiene Rubber (HNBR) Market Analysis - Global market share, growth, trends, forecast, Global Hydrogenated Nitrile Butadiene Rubber (HNBR) Market Outlook (2019-2027) 1. parkerorings. HNBR, also known as HSN or hydrogenated nitrile. Save Power Low friction drivetrain to optimize electrical efficiency, reducing the load on your power system. HNBR is more resistant to (ozone) aging on paper. Chemical compatibility of component parts is extremely important because of possible rapid degradation and failure if the materials are not compatible with the environment where they are used or the chemical they are in contact with. Chemical, electrical, wear, and thermal resistance; Strength, stiffness, and dimensional stability; Easy to machine and can be machined to very close tolerances; Works well under hard vacuum, radiation, oxygen compatibility, cryogenic conditions, and exposure to flame; Costs less to manufacture than ceramic PARAPLEX G-30 is a low molecular weight polymeric plasticizer which offers a good balance of permanence properties. CHEMICAL COMPATIBILITY TABLES COMPATIBILITY RATING SYSTEM These tables are intended to assist the user in determining the suitability of various elastomers in many different chemical environments. Visitors can also do a reverse look up and match the elastomer to the chemical. The information in this chart has been supplied to Cole-Parmer by other reputable sources and is to be used ONLY as a guide in selecting equipment for appropriate chemical compatibility. V. FNW assumes no responsibility for errors within this information . This data is provided for information only. APPENDIX > Chemical compatibility between fl uids and products This information doesn’t imply on the part of our company any responsibility. It is hence the hydrogenated form of nitrile rubber. The family is well differentiated to include general purpose types for cost sensitive applications and specialty products (XNBR, Hot-Crosslinked NBR, HNBR) for more demanding service conditions. This elastomer is both hot air and steam resistant whilst simultaneously having a very good low-temperature flexibility. htm HNBR is not recommended for gasohol, as it has poor compatibility with ethanol according to that chart. Materials Compatibility. Please note these tables are generated from laboratory testing on pure substances and actual experiences may vary due to individual application parameters. Resistance data for FKM applies only to fittings using FKM seals. Hardness: 85 ±3 Shore A ; Pressure: up to 160 bar ; Temp: -20 to + 150. Nitrile rubber (NBR, HNBR, HSN): a common material for o-rings because of its good mechanical properties, its resistance to lubricants and greases, and its relatively low cost. Hydrogenated Nitrile Butadiene Rubber (HNBR) HNBR is made via selective hydrogenation of the NBR butadiene groups which improves the temperature and ozone resistance considerably. Both have similar chemical compatibility but I do not have any information handy for Bitumen Froth. Fluid Plunger Sizes • 1/8 in (3. We cannot guarantee the accuracy of the information as many other factors must be considered, for example: Chemical Resistance Guide. Worldwide Inventory Network. 2. Our products can be exposed to a huge variety of chemicals. Greatly improved wear and extrusion resistance over standard NBR. BBUNA “N” (NBR-HNBR)UNA “N” (NBR-HNBR) Nitrile rubber. Satisfactory to good compatibility with insignificant effect, minimal marking or corrosion. Sort by Featured Best Selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, new to old Date, old to new 7108 S. Applications Due to their enhanced abrasion resistance, Parker's HNBR elastomers are commonly used in journal bearing seals for drill bits. The NBR backbone still contains double bonds remaining from the 1,3-butadiene monomer units. 314-790 Rev. HNBR 75 IRHD Hydrogenated nitrile material compatibility. Both o-rings and gaskets can be made from Nitrile materials. NEOPRENE . Manufactured from silicone, EPDM, neoprene, chloroprene, flexible PVC and TPE, our food grade seals and gaskets have a broad chemical compatibility profile, offer high temperature and abrasion resistance, and can withstand regular cleaning. This special hydrogenation process reduces lots of double bonds in main chains of NBR polymer, thus HNBR possesses superior heat, ozone, chemical REFERENCEPAGES 1-800-833-7958 www. Florida Chemical Company Headquarters 351 Bert Schulz Blvd NE Winter Haven, FL 33881-9432. HNBR sealing elements are yellow in color, and possess excellent physical strength and retention properties after Polymer Spheres compatibility with a wide variety of base materials and applications is one of its strengths. O-ring compatibility plays a critical role in o-ring performance – find the right material for your application and avoid o-ring failures. We offer you a range of elastomeric materials for both standard and special applications which allow the O Rings to seal practically all liquid and gaseous media. A typical elastomer that we offer for your seals and coatings on metals are as follows. Chemical Compatibility Guide. The data given should be used cautiously, and as a guide only. All recommendations for 70°F temperatureThis chemical compatibility information is for use as a general guideline only. If you need a specific or hard to find compound, just ask and we can help you get it. The "ID" number refers to those solvents listed in the introduction literature. HNBR (hydrogenated) is treated NBR. Heat resistance • Up to 150°C (300°F) Cold flexibility • Down to approximately -48°C (-55°F) Graco ONG Chemical Compatibility Guide Oct. com fax303-322-7242 sales@geotechenv. Seals for oil well applications. Use the tables below to work out which materials best suit your specific system and operating environment. geotechenv. Temperature: -50 to 300 degrees Fahrenheit; Applications: Water and steam up to 300 degrees Fahrenheit, fuel systems, oil resistant and high abrasion applications; Avoid: Strong acids and polar solvents such as ethers and ketones Elastomer & Plastic Compatibility Oilfield Sealing Elastomeric Sealing Materials Plastic Back-Ups Material Code & Chemical Nature AU/EU CR NBR XNBR ECO HNBR EPDM FSI FKM TFEP FFKM FFKM PPS PEEK PTFE Polyurethane Poly- chloroprene Nitrile Carboxy Nitrile Epichloro-hydrin Hydrogenated Nitril Ethylene propylene diene Monomer Fluoro silicone VF2 CHEMICAL COMPATIBILITY CHART . 1 Satisfactory 2 Fair (usually OK for static seal) Material matters. 000” » Capable of speeds up to 5,000 f/m MODEL 26 - FABRIC REINFORCED GENERAL PURPOSE OIL SEAL The Florida Chemical Company team is devoted to making our products and service a valuable component of your business success. The toughness of Zetpol has made it the elastomer of choice for automotive timing belts, metal-bonded seals, and oil field components. Ratings: A-Excellent B-Good C-Poor D-Do not use Blank-No information FNW provides this information from numerous sources without claim or warranty expressed or implied. Obtained by hydrogenating the nitrile copolymer, HNBR fills the gap left between NBR, EPDM and FKM elastomers where high temperature conditions require high tensile strength while maintaining excellent resistance to motor oils, sour gas, amine/oil mixtures, oxidized fuels, and lubricating oils. indd 2tss_Chem_en_cover_letter. May 31st, 2018. HNBR and FFKM for up to 200 hours in water at 200°C. Title: Chemical Resistance, SBR, EPDM, NBR. The operating temperature of HNBR ranges between -30 °C/-22 °F HNBR has better heat resistance; oxidation resistance; tensile strength and abrasion resistance than standard nitrile (NBR). But they have limited weathering resistanc If you’re looking for rubber engineering specialists who truly understand rubber chemical resistance and rubber chemical compatibility, Martin’s Rubber is here to help. performing HNBR compounds Material Featuress: • Certified to NORSOK M-710 for chemical compatibility in sour service (H 2 S) and sweet service applications • Certified to NORSOK M-710, ISO 23936-2 for RGD (rapid gas decompression) resistance • Certified to API 6A • High temp rating (to 320 °F) • Passes NACE TMO192-2003 standard O-ring compatibility chart offers guidance on chemical resistance and swell for Viton o-rings, FFKM o-rings, Silicone o-rings, Teflon o-rings and more. This special hydrogenation process reduces many double bonds in main chains of NBR polymers. Aflas® also has excellent oil resistance. Hydrogenate Butadiene Rubber MSDS­­ EPDM. g. HNBR (Hydrogenated Nitrile Butadine Rubber). The chemical concentration 2. g. * The information above is based on decades of research into the development and manufacture of sealing products. https:/ / www. Good chemical compatibility and can be used with oils which have aggressive additives. regarding material compatibility. These double bonds are also prone to chemical attack, thermal degradation and oxidation. We know this can be daunting, and that is why we have an industry leading material science team and tool kit dedicated to helping find the best material fit for your application. 1) (nitrile butadiene rubber) using a metal catalyst at designated temperatures and pressures yields HNBR (hydrogenated nitrile butadiene rubber) elastomers. The properties of the HNBR rubber depend on the ACN content which ranges between 18 % and 50 % as well as on the degree of saturation. Poor compatibility with moderate effect, possibly softening and swelling, loss of strength - not recommended. Buna‐N (Nitrile, NBR, HNBR), or copolymer of butadiene and acrylonitrile has excellent resistance to The chemical compatibility of rubber is extremely important as the rubber can degrade rapidly if the rubber material is not compatible with the environment or media that it comes into contact with. Temperature, environment, compatibility, hardness, compression, and certifications all have to be taken into account. Exposure to oil soured with metal sludge. g. Reactions between the polymers used in seals and the chemicals in fluids vary greatly. Features: Compatible with Freon R-134a and compressor lubricant oil. Chemical. Buna (Nitrile) – Buna is the most widely used O-Ring elastomer compound. Neoprene performed better with some of the blends but does not offer the high COMPATIBILITY CHART Chemical Natural Rubber SBR, GRS Butyl EPR, EPT, EPDM Buna-N, Nitrile, NBR Hydrin Neoprene Hypalon Urethane, Polyurethane Polysulfide Silicone Fluorosilicone Fluoro Elastomers LEGEND A - RECOMMENDED B - MINOR TO MODERATE EFFECT C - MODERATE TO SEVERE U - UNSATISFACTORY BLANK - INSUFFICIENT DATA Acetaldehyde C U A A U C C U C Hydrogenated Acrylonitrile Butadiene (HNBR), also known as Highly Saturated Nitrile (HSN) is superior to NBR in low brittle temperature, heat, oil, oil additive and sour oil resistance, and is far more resistant to sour gasoline and ozone than NBR. Hardness: 85 ±3 Shore A ; Pressure: up to 160 bar ; Temp: -40 to + 130. (FKM), hydrogenated nitrile butadiene rubber (HNBR) and silicone rubber as well as thermoplastics such as polyethylene (PE), PA Chemical Resistance Rubber Material Selection Guide NBR / Nitrile or Buna N Acrylonitrile Butadiene Abbreviation NBR ASTM D-2000 Classification BF, BG, BK Chemical Definition Acrylonitrile Butadiene 30000 Series ♦ Physical & Mechanical Properties Durometer or Hardness Range 20 – 95 Shore A Tensile Strength Range 200 – 3,500 PSI The ratings for these materials are based upon the chemical resistance only. Our products can be exposed to a huge variety of chemicals. 76 mm) • 1/4 in (6. Blue color Hydrogenated Nitrile HNBR Rubber O Rings. Selecting an o-ring material for a specific application is dependent on many criteria including what is being sealed, temperature range, desired service life, and more. Resistance to atmospheric conditions is on the same level as EPDM. Added consideration must be given to pump selections when the chemical is abrasive, viscous in nature, or has a Specific Gravity greater than 1. tensile and tear strength, elongation, abrasion resistance, compression set, etc. 2 This is 70°F (39°C) hotter than the typically quoted maximum continuous operating temperature of NBR. It also has a broad temperature range and great dynamic properties–making it an ideal solution for the oil and gas industry–and it is typically compounded with low amounts of plasticizers to help reduce extraction. It also exhibits improved heat aging in the 300 F range Vs standard Nitrile, 250 F. It is hence the hydrogenated form of nitrile rubber. Their fluid and temperature resistance Order O-Rings Quick and Easy Since 1998 X-Ring Seals Rubber Washers. X – Insufficient Data. B100 may degrade some hoses, gaskets, seals elastomers, glues and plastics with prolonged exposure. These are not exhaustive; there are many more compatible media which can be used with our materials. The hardness decrease followed by increase Chemical Compatibility HNBR, FKM, FKM ETP, and FFKM plunger packings and check valve seals can handle some of the most aggressive chemicals. 2009 10:50:55 Uhr Your Partner for Sealing Technology Trelleborg Sealing Solutions is a major international sealing Technical Guide to Materials and Chemical Compatibility ACM (Polyacrylic or Polyacrylate) These rubbers are usually copolymers of ethyl acrylate and a vinyl ether and are resistant to heat, hydrocarbon oils and in particular, oil additives, especially sulphurised types used for lubrication under extreme pressure conditions. Not recommended for any use. 5 mm) • 1/2 in Hydrogenated Nitrile Butadiene Rubber (HNBR) has better resistance to high temperatures, superior physical properties, and improved chemical resistance over traditional nitrile compounds. 76 mm) • 1/4 in (6. , LTD. Temperature range. The hydrogenation process gives HNBR materials enhanced thermal stability (up to 149°C/300°F, with short periods at higher temperatures). caustics, alkalines, amines, nucleophiles) unlike other fluorocarbon polymers that contain vinylidene fluoride. Fast-Expert-Quality-Service. HNBR is recommended for use with the following fluids: Hot water; Steam HNBR (Hydrogenated Nitrile Butadiene Rubber) This HNBR-based elastomer is obtained through selective hydrogenation of the NBR's butadiene groups. This paper reports the compatibility studies of 10% ethanol blended gasoline (E10) with four types of elastomer materials, namely, Neoprene rubber, Nitrile rubber, hydrogenated Nitrile butadiene rubber (HNBR), and Polyvinyl chloride/Nitrile butadiene rubber blend (PVC/NBR), and two types of plastic materials, namely, Nylon-66 and Polyoxymethylene (Delrin). It is specially developed for high pressure applications to reduce the risk of rapid gas decompression seal failure and maintain resilience at low temperatures of -55°C . Exposing rubber O-Ring materials to multiple chemicals and compounding application factors like temperature pressure and gland design can result in significantly different performance. In addition, hydrogenated nitrile offers better strength with minimal degradation at higher temperatures. Use CTG's Chemical Compatibility Guide to ensure you use the right materials for your technical specifications. Key Use(s): ALL oil resistant applications, including exposure to such oil additives as detergents, anti-oxidants and anti-wear agents. Duration of exposure When absorption only occurs, the changes in the material are generally reversible if the chemical is removed, however if chemical attack takes place the changes are permanent. affected more by petroleum diesel than biodiesel, while HNBR was affected more by biodiesel. B100 Material Compatibility . They have rather better oil and chemical resistance than Nitrile Rubber and can withstand much higher temperatures. Check the Chemical Compatibility and Temperature charts and other information under Technical Information to make sure you get the best material for your application. Use quality viton (ETP) for all fuel applications. HBNR o-rings also feature superior abrasion, wear, and compression set resistance, making them an excellent choice for a wide range of critical applications. Hydrogenated Nitrile (HNBR) is a synthetic polymer that is obtained by saturating the double bonds in nitrile’s butadiene segments with hydrogen. Greene Tweed offers a broad range of elastomers, as shown in this guide. Applied stress 4. Hydrogenated nitrile rubber (HNBR). HNBR O-Ring Kit, 205 Pc. Commonly called HNBR, these O-Rings are made of Buna-N which is hydrogenated to increase it's strength and temperature resistance. Extend operating capability while reducing process downtime with Kismet Rubber Products components. For refrigeration com-pressors special refrigeration oils have to be used. HNBR offers improved physical properties and greater abrasion resistance than other polymers. The following tables provide asummary of the various elastomer material groups. NOTE: The materials shown below in BOLDFACE TYPE are used in the construction of Little Giant chemical pumps. Hydrogenated Nitrile(HNBR) is a synthetic polymer that is obtained by saturating the double bonds in nitrile’s butadiene segments with hydrogen, and it is also called HSN(Highly Saturated Nitrile). Unfortunately, the selection process can be extremely challenging, especially if based solely on chemical compatibility charts. FFKM, or perfluoroelastomer, contains higher amounts of fluorine than standard FKM, and features higher temperature ratings, up to approximately 325°C. 90°C. E. Enhanced chemical compatibility with new automotive fuels. ATRR-700 (HNBR) Mercon® Gear Oil Compatibility with Elastomers: Mercon® Buna N, PG-1/PG-2 (TMC Calibrated) Mercon® Polyacrylate, PG-1/PG-2 (TMC Calibrated) Mercon® Fluoroelastomer, PG-1/PG-2 (TMC Calibrated) ACEA: CEC L-39-T-96: ACEA: AK-6: ACEA: AEM: Dexron® GM Automatic Transmission Fluis Seal Materials: Dexron® V1 Viton, V2 Viton, V3 The observed relaxation is due to both physical effects (e. When in a chemical environment allowances must be made for possible Custom molded rubber seals, such as gaskets, orings, and o-rings, resistant to high pressure, high temperature sour gas, hydrogen sulfide, H2S, and amines corrosion inhibitors. 18 mm) • 3/16 in (4. Nobody expects more from us than we do. ® This sealing ring is black with a yellow spot and made from nitrile rubber and is the sealing ring to be used where there are petrol or oil residues on the waste water (e. 2019 10/8/2019 Good 1 Fair 2 Poor 3 Not recommended 4 No data-Perfluoroelastomer Extreme Fluoroelastomer Tetrafluoroethylene Propylene Fluoroelastomer Hydrogenated Nitrile (FFKM) 20°F to 450°F Low (FKM-ETP)-10°F to 450°F Medium (TFE\P) 0°F to 450°F Medium (FKM) 20°F to 400°F Medium (HNBR)-50 HNBR and Nitrile are used predominately in air conditioning systems worldwide and were not generally compatible with the alternate refrigerants. The ratings are based on a combination of published literature, laboratory tests, actual field experi - ence, and informed judgments. K. As a result, HNBR is more resistant to atmospheric ozone and has better high temperature stability. The α relaxation temperature of different blends decreases with increasing proportions of HNBR (Table II). The work will be carried out in our well-equipped in-house laboratory. HNBR ( Highly Saturated Nitrile ) has better wear and abrasion resistance than standard NBR (Nitrile Rubber). com ChemicalCompatibilityTable For All Non-Metals For Metals R=Resistant E<2milsPenetration/Year Chemical Resistance & Fluid Compatibility Rating A- SATISFACTORY, B- FAIR, C- POOR, U- Not Suitable Chemical Kalrez® NBR EPDM VMQ FVMQ FKM T Abietic Acid A Acetaldehyde A U ABUUU Acetamide A 6375 A ABABU Acetanilide A 6375 U Acetic Acid, Glacial A C ABUCU Acetic Acid, 30% A B AABB Acetic Anhydride A CB C UUB Acetoacetic Acid A Acetone A UA C UUU The compatibility evaluation is commonly performed by immersion test, which consists of immersed sample in a suitable solvent, analyzing the damage by swelling by gravimetric analysis. hnbr chemical compatibility