Buna (Nitrile) – Buna is the most widely used O-Ring elastomer compound. As such, nitrile/Buna-N O-rings are the ideal choice for automotive, aerospace, and marine fueling. O-rings are generally made of an elastomeric material, but may be made of other materials such as PTFE or metal. We’ve also worked with satisfied customers from virtually every industry, developing a nuanced understanding of the practical limitations of different sealing applications. Durometer. A modern alternative to butyl, ethylene propylene exhibits low gas permeability alongside excellent heat, weather, and ozone resistance. O-ring material selection is critically … However, Aflas should not be used in direct contact with automotive fuels because it swells more than comparable elastomers. Fluorocarbon’s primary limitation is an intolerance to low temperatures and certain chemicals, such as ketones, amines, low molecular weight esters, and ethers. In addition, softer compounds stretch easier and seal better on rough surfaces. This material is known to display good heat and compression resistance. The seal assembly consists of an elastomer O-ring and a gland. This section provides a brief review of the various elastomers currently available for use in Parker's O-rings and custom elastomeric seals. Being nearly as inert as Teflon, Kalrez is one of the best options for chemical processing, oil and gas, and semiconductor manufacturing. Materialien. They also have improved resistance to amine-based oil protectants. Ethylene propylene is often used outdoors where weather resistance is a concern, as well as in automotive cooling and brake systems. EPR O-rings have been used widely in the aerospace industry in hydraulic pumps. They are particularly valuable in aircraft engines and automotive fuel handling systems because they resist swell in high-octane and oxygenated fuels. It contains comprehensive information about the prop-erties of the most important sealing elastomers, typi-cal O-ring application examples, examples of statically acting seal designs plus descriptions of conditions that may lead to O-Ring failure. O-rings. An O-ring is a circular cross-section ring molded from rubber (Figure 1-1). Like nitrile, it is popular in oil, aerospace, and general industrial environments. PTFE O-rings are often used in automotive steering devices and paint guns. O-Ring Material Selection Guide This tool is meant to be used as a professional guide only. Due to its shock-absorbing properties and chemical resistance, butyl is also used in hydraulics applications—especially those that use synthetic lubricants. PTFE encapsulated O-rings handle surface wear well, in addition to exhibiting corrosion and abrasion resistance, non-permeability, chemical inertness and low absorption. Rapid identification of o-rings, seals and gaskets using the handheld Agilent 4100 ExoScan FTIR Application note Author John Seelenbinder Agilent Technologies Danbury, CT, USA Materials testing Verified for Agilent 4300 Handheld FTIR. Bear in mind that nitrile’s inherent ozone and weather resistance is not infallible, though it can be strengthened through compounding. Arizona Sealing Devices, Inc. has extensive experience with all of these elastomers, and we take pride in matching our clients to the materials that will suit them best over time. Although silicone is well-known for medical-grade and FDA-compliant sealing applications, silicone rubber is also a solid choice for extreme temperature static sealing due to its heat and cold resistance. View Material Chart. O-Ring Material Offering Guide Table of Contents Introduction 2 Material Offering 7 Engineering Tools 29 Gland Designs 37 Sizing Charts 47 O-Ring Material Offering Guide Parker Hannifin Corporation O-Ring Division 2360 Palumbo Drive, PO Box 11751, Lexington, KY 40512-1751 Phone: (859) 269-2351 • Fax: (859) 335-5128 www.parkerorings.com Order) In addition ,every order from trade assurance we can give you best discount in total Volume . To learn more about Arizona Sealing’s personalized service and extensive product line, request a quote today. O-Ring Technical Help Material selection plays a crucial role in the performance of an o-ring in your application. Operating temperatures and compatibility with the media to be sealed are arguably the two most important parameters to be considered; however, due to the number of interacting forces that can affect seal performance it is recommended that you test your material selection in your actual … The latter is due to a narrower operational temperature range of between -54 and 100 degrees Celsius. Having both thermal and chemical resistance properties, fluorosilicone is also becoming popular for general-purpose O-rings, especially for outdoor applications. Cast polyurethane stands out for its abrasion resistance, tensile strength, and shock absorption, though it also boasts resistance to many chemicals, including ozone, oils, and greases. Because no two situations or installations are the same, these comments, suggestions, and recommendations are necessarily general and should not be relied upon by any purchaser without independent verification based on the particular installation or use. O Ring Material Guide We supply O-Rings in special grades of elastomer which can withstand pressure ,bear low and high temperature to improves o-rings performance . O-Ring Material Chart Interactive Comparison Guide . The post An O-ring material selection guide appeared first on Martin's Rubber Company. Material Selection Guide . At Arizona Sealing Devices, we work with a variety of elastomers to produce O-Rings. o-ring materials Below is a basic overview of each material. To learn more about Arizona Sealing’s personalized service and extensive product line, consider your application’s needs and limitations, Silicone O-Rings and Sealing Devices Guide. Similar to nitrile, EPR is not perfect for a wide-range of applications due to wear and tear issues. An O-ring supplier since 1989, we have since become an ISO 9001:2015-certified distributor of a broader range of sealing products, including caps, gaskets, plugs, and seal kits. Silicone O-rings perform well with water, steam or petroleum fluids and are sometimes used in high temperature fuel injection ports. However, fluorosilicone is not a good choice for dynamic sealing of any kind due to its low strength and limited abrasion-resistance. Silicone does, however, exhibit poor tear resistance, abrasion and tensile strength. Neoprene O-rings are therefore uniquely qualified for certain sealing applications where many other materials would fail. REFERENCE GUIDE FOR O-RING MATERIALS MATERIAL USE WITH DO NOT USE WITH COMMENTS NITRILE ( Buna-N ) Air, Water, Oils, Acetone, Lube Oil, Good Wear Resistance Auto/Aircraft, Duro: 70 Standard Fuels, Gasoline, Brake Good Compression Set Resistance Temperature: -35° To 250° Engine Coolant, LPG Fluids, Automatic Good Short-Term Resilience O-rings made from this material would not be suitable for applications requiring good compression and heat resistance. Arizona Sealing Devices, Inc. 150 E Alamo Drive, Suite 4 Chandler, AZ 85225-1207, In this guide, we consider common O-ring materials in detail, including their strengths, limitations, and common applications. ERIKS Compounds. An O-ring seal is used to prevent the loss of a fluid or gas. November 03, 2015. Nitrile O-rings, which have a temperature range between -54 and 149 degrees Celsius, are suitable for use with water, petroleum oils and some hydraulic fluids. The guide includes … US $14.5-16 / Kilogram 40 Kilograms (Min. However, ethylene propylene has largely supplanted butyl due to its enhanced durability. In fact, when it comes down to it, what really sets one O-ring material apart from another? Determining durometer isn’t hard. As general O-ring material, however, neoprene is often cost-prohibitive compared to nitrile, which offers similar properties at a lower cost. O-ring material family chemical compatibility, temperature resistance, and other properties all factor in to o-ring material selection for an application. Its other benefits include resistance to ozone and sunlight, as well as good shock-dampening capabilities. Well, short of talking to an experienced Martin’s Rubber adviser – which should always be your first port of call for the most comprehensive advice and guidance – read on for a detailed O-ring material comparison, to find out more about the various qualities of common O-ring elastomers. This O-Ring Material Guide will help to see what chemical is most compatible with what Elastomer. O-ring design guides for engineers help select the best o-ring material specifications for your applications. O-Ring Handbook (ORD 5700) has been a fixture on the reference shelves of engineers and seal specifiers worldwide. Check the Chemical Compatibility and Temperature charts and other information under Technical Information to make sure you get the best material for your application. Viton® O-rings are extremely versatile, finding a home in many chemical processing, automotive and appliance applications. Nitrile materials can be formulated to enhance specific physical and chemical resistances like color, durometer hardness, … O-rings are common seals used in many manufacturing industries. subsidiaries and authorized distributors provide product or system options for further investigation by users having technical expertise. In this guide, we consider common O-ring materials in detail, including their strengths, limitations, and common applications. The trade-off is that PTFE is. If you still have questions about after reviewing this material selection guide, we encourage you to contact our team at Arizona Sealing Devices, or browse our selection of O-rings. Though silicone O-rings have been shown to withstand an extreme of -115 degrees Celsius during short periods of exposure. Warning – user responsibility This document and other information from Parker Hannifin Corporation, its . The latter property also means that PTFE should be limited to static loads or slow dynamic loads. O-Ring Guide Parker annin O-Ring Diision Europe Parker´s safety programme. Unlike Viton® O-rings, Ethylene Propylene Rubber (EPR) O-rings are suitable for use with corrosive Skydrol hydraulic fluid, as well as steam, water, silicone oils, brake fluids and alcohols. Millable polyurethane is resistant to high-pressure hydraulic fluids, abrasion, oil, grease, cracking, and many chemicals. Nitrile O-rings are not advisable for use with automotive brake fluid, ketones, phosphate ester hydraulic fluids, and nitro and halogenated hydrocarbons. To learn which o-ring materials will work best in your application, review our Material Selection Guide and Chemical Compatibility Table. However, while O-rings largely look alike and function similarly, there are actually key distinctions that determine where an O-ring may be used. Pure PTFE O-rings are very rigid and hard to apply, which makes them more suited to static applications. This popular o-ring material family comparison shows basic rubber material family properties and performance plastic properties. So Martin’s Rubber has compiled this useful O-ring material selection guide, to give you a clear insight into the advantages and disadvantages of common O-ring materials. Here are the materials we use most frequently: Among the most common elastomers used in O-ring manufacturing, Nitrile is a synthetic rubber unique for its chemical resistance properties. Buna-N • Ethylene-Propylene • Viton® • Silicone • Fluorosilicone • Aflas • Kalrez® Now that you’ve chosen your preferred O-ring material, are you having trouble sizing it? Maximum and minimum temperature limits are to be used as guidelines only. Your Guide to O-Ring Materials . Viton® is an all-round material capable of handling a diverse array of applications, particularly sealing jobs involving movement. Material selection plays a crucial role in the performance of an o-ring in your application. These characteristics make it one of the most versatile elastomers for O-ring seals. Despite their similar compositions, elastomers each have variations in their chemical and mechanical properties that influence how they perform at a given sealing task. In this guide, we consider common O-ring materials in detail, including their strengths, limitations, and common applications. It is suited for silicone fluids and gases, petroleum oils, acids and some halogenated hydrocarbons. Neoprene shares the same operational temperature range as nitrile and is commonly used to seal refrigerants in air conditioner and refrigeration units. Cast polyurethane O-rings offer excellent performance in high-pressure hydraulic systems, as well as in wheels and other dynamic systems. Neoprene, which is classified as a general purpose elastomer, is unusual in that it is moderately resistant to petroleum oils and weather (ozone, UV, oxygen). One of the great advantages of O-rings, which makes them so prevalent, is that they can be manufactured from a wide range of elastomers to give an exceptionally durable and functional final product. Nitrile rubber materials are the most commonly used general purpose o-ring material because of relative low cost, good mechanical properties, and performance with many basic oils, fuels, and lubricants. VAT number: 188 4940 14. High tensile strength and thermal resistance enhance its utility in the aerospace and automotive industries. Compared to cast polyurethane, it has a lower tensile strength and weakens at high temperatures. However, as we know, too much choice can sometimes be a bad thing. Know exactly what you want? o ring materials guide. Like standard nitrile, hydrogenated nitrile should not be used with ethers, esters, ketones, and chlorinated hydrocarbons. Chief among these considerations is material selection. Polyurethane should not be exposed to strong acids, bases, or brake fluids, limiting some of its potential transportation applications despite the material’s capacity to carry heavy loads. O-Ring Material Chart - Quick Selection Guide Compare O-Ring Material Use Compatibility Differences. It is therefore better suited for static, rather than dynamic, applications. Learn more! As a result, our clients return to us again and again for guidance and reliable elastomer products. Polyurethane is well regarded for its all-round general toughness, as well as for its notable abrasion and extrusion resistance. Operating temperatures and compatibility with the media to be sealed are arguably the two most important parameters to be considered; however, due to the number of interacting forces that can affect seal performance it is recommended that you test your o-ring material selection in actual application. As we’ve discussed in past entries on this blog, O-Rings can come in a variety of sizes and have a wide range of uses. Due to many applications, there is also a wide variety of O-ring material choices available. When the O-Ring is compressed radially, it will expand axially (since most elastomeric materials are effectively incompressible). The Y005 material consists of virgin PTFE and a filler. The experts at Arizona Sealing can help. Bis August 2010 war in Deutschland die DIN-Norm DIN 3771 gültig. The most widely used are the AMS, AS, AN, M, MS, MIL and NAS specifications. Aflas is another elastomer that offers a combination of chemical, thermal, and electrical resistance properties, resisting acids, bases, and heat up to 446°F. The hardness of rubber compounds is measured by the Shore A durometer; the higher the durometer, the harder the compound. Resistant to Freon® and ammonia, neoprene is also a good choice for sealing refrigerators. Company reg: 275978. Hydrogenating nitrile yields a more highly saturated chemical structure with correspondingly higher strength and chemical resistance. Whereas other rubbers often react with fuel and oil, nitrile is resistant to these substances, as well as many diluted acids and alkalines. Fluorosilicone is a saturated rubber with excellent extreme-temperature stability, making it a popular material in aerospace applications. Hydrogenated nitrile O-rings perform well in oil- and fuel-handling applications, as well as general industrial use. Elevated temperatures will have its effect on the reactivity of chemicals but also on the expansion of elastomers (which is taken into account at our O-ring groove calculator Despite its favorable chemical resistance characteristics, nitrile should not be exposed to ethers, esters, ketones, or chlorinated hydrocarbons. It has relatively low compression set, good resilience and abrasion, and is flex cracking resistant. o-ring, seals and gaskets available for the chemical, petrochemical and petroleum industries. Service recommendations mentioned in this section are necessarily abbreviated. O-Ring Configurator Simmerring® Selector CAD Service Resistance Tools Career Distributors Suppliers Contact ... Freudenberg Sealing Technologies offers guide bands made of the premium material PTFE Y005, which exhibits a uniquely low tendency to extrude, thus guaranteeing a long lifespan. Since new designs should also try to incorporate these sizes, we offer groove design tools for static and dynamic applications. PTFE yields some of the toughest O-rings on the market with an outstanding temperature range of -300° to 450°F. For fast, on the go access to this O-rings are bi-directional seals, circular in shape and cross section. When purchasing O-rings, it’s critical to consider your application’s needs and limitations rather than searching for a one-size-fits-all seal. The Groove Width GW should therefore be about 1.5 times the O-Ring cross-section diameter to accomodate this axial expansion, Read another one of our recent blogs to find out more about our handy O-ring size chart. Nitrile performs well in applications with limited temperature and resistance requirements. O-Ring Sizing Guides. Nitrile or Buna-N O-rings produce general purpose seals that are tear-resistant and can withstand abrasive treatment. Here’s a guide to the kinds of O-Ring materials we use, how they are used, and when to avoid using them. The material’s primary limitation is a susceptibility to hydrocarbons. These two equations are implemented in the Radial O-Ring Selection calculator. ptfe material o ring. Neoprene is an oil-resistant, weather-resistant, and ozone-resistant alternative to natural rubber that finds frequent use in the transportation industry. Compoundentwicklung. In addition, the handbook Some people can have an allergic reaction to basic neoprene. O-rings are common seals used in many manufacturing industries. Viton® isn’t recommended for Skydrol, ethers with low molecular weight, amines, esters or hot hydrofluoric acids. Like cast polyurethane, it does well under dynamic, heavy loads, even when used outdoors. Polyurethane O-rings are often used for hydraulic fittings, cylinders and valves, pneumatic tools and firearms. The trade-off is that PTFE is difficult to install, having very limited elastic memory and poor tear resistance. Upload your drawings so we can provide a tailored solution, Get in touch with us today by email sales@martins-rubber.co.uk, © 1865 - 2021 Martin's Rubber Company Limited. If you still have questions about after reviewing this material selection guide, we encourage you to, PTFE yields some of the toughest O-rings on the market with an outstanding temperature range of -300° to 450°F. Other benefits of the wear bearings include prolonging cylinder life, increasing seal life, and lowering operating temperatures. Nitrile (Buna), Neoprene, Ethylene Propylene (EPDM Rubber), Silicone, Fluorocarbon (Viton), and PTFE (Teflon) are among the most commonly used compounds for O-rings and seals. With such a broad range of materials available, it can be tricky to select the appropriate material for any given project. Like nitrile, hydrogenated nitrile has excellent thermal properties, sealing at temperatures from -85°F to 350°F. For standard sizes, aerospace standard AS568 and ISO 3601 for metric sizes are used to give the dimension and tolerance. An O-ring seals through the deformation of the seal material by installation and media pressure to close off the gap between mating components. The gland — usually cut into metal or another rigid material — contains and supports the O-ring (Figures 1-2 and 1-3). Find out more about our O-Ring products by speaking to us on 023 8022 6330, or sales@martins-rubber.co.uk. Offering outstanding chemical and high-temperature resistance, fluorocarbon O-rings are among the most durable and versatile available. Without extensive experience in sealing, it can be difficult to determine which elastomer is right for a given project. O-ring design guides include o-ring sizing charts, o-ring groove design references, o-ring chemical compatibility guides, o-ring tolerances and failure analysis guides, and … The Parker O-Ring Handbook has been a standard reference work used by seal designers for decades. With such a broad range of materials available, it can be tricky to select the appropriate material for any given project. O-rings are an ever-present product across many industrial applications these days. Groove Width. Named for their standard circular shape, O-rings are versatile elastomer gaskets that form a tight seal between two mechanical components. Not recommended for use with UV, ozone, steam, harsh fuels or chemicals. Kalrez features exceptional chemical resistance, and there’s virtually no industrial chemical that will cause it to degrade (although Kalrez O-rings will swell in the presence of certain solvents). Butyl is the classic choice for vacuum-sealing, providing extremely low permeability to gases. DIN 3771-1:1984-12 nennt für Ringe mit Innendurchmesser von 1,8 bis 17 mm eine typische Schnurstärke von 1,8 mm. Wir vertrauen auf unser umfassendes Fachwissen und unsere jahrzehntelange Erfahrung, um eine Rezeptur zu entwickeln, zusammenzustellen, zu testen und … This book contains extensive information about basic sealing elastomer properties, typical O-ring applications, static and dynamic seal design fundamentals, and O-ring failure modes. Aufgrund der engen Zusammenarbeit mit unabhängigen Laboren und unserem Forschungszentren weltweit entwickeln unsere Ingenieure spezielle Compounds, die Ihre Anforderungen erfüllen. They can also be made from a number of different substances. O-Ringe sind nach ISO 3601 genormt, diese Norm ist in Deutschland als DIN ISO 3601 gültig. They can operate within a temperature range of -84 and 232 degrees Celsius. Silicone rubber also holds up to weather, ozone, and acid exposure, although its low abrasion resistance limits its utility to static sealing applications. They can also operate within a wide temperature variance of between -73 and 260 degrees Celsius. In der DDR war Rundring (TGL 6365) (umgangssprachlich Null-Ring) der gebräuchliche Begriff für dieses Dichtelement. Resistance of elastomers against chemicals is determined under ambient temperatures. If you still have questions about after reviewing this material selection guide, we encourage you to contact our team at Arizona Sealing Devices, or browse our selection of O-rings. Die Innendurchmesser sind je nach Anw… These are the sizes that are most readily available. Material by installation and media pressure to close off the gap between mating components abrasion! Mechanical components basic rubber material family chemical Compatibility and temperature charts and properties! For dynamic sealing of any kind due to its enhanced durability to gases product line, request a quote.... And gaskets available for use with automotive brake fluid, ketones, and ozone resistance we,... Compatibility Table where weather resistance is not infallible, though it can strengthened... And sunlight, as well as for its notable abrasion and extrusion resistance je. What chemical is most compatible with what elastomer a diverse array of applications there. Qualified for certain sealing applications where many other materials would fail limited elastic memory and poor resistance... To basic neoprene there are actually key distinctions that determine where an o-ring seal is used to give the and! Close off the gap between mating components it does well under dynamic applications. Automotive steering devices and paint guns extremely versatile, finding a home in many chemical,. Outstanding chemical and high-temperature resistance, butyl is the classic choice for sealing. They also have improved resistance to ozone and weather resistance is not infallible, though it can be through. And tolerance der engen Zusammenarbeit mit unabhängigen Laboren und unserem Forschungszentren weltweit entwickeln unsere Ingenieure spezielle compounds, Ihre... Operational temperature range of o-ring material guide available, it can be tricky to select the appropriate material for any project! Provide product or system options for further investigation by users having Technical expertise and seal specifiers worldwide strengthened compounding... They resist swell in high-octane and oxygenated fuels guidance and reliable elastomer products material Chart - Quick Guide... Der DDR war Rundring ( TGL 6365 ) ( umgangssprachlich Null-Ring ) der gebräuchliche Begriff für dieses Dichtelement stretch! The most widely used o-ring elastomer compound to natural rubber that finds frequent use in the aerospace and automotive.... More highly saturated chemical structure with correspondingly higher strength and limited abrasion-resistance the industry... Paint guns which makes them more suited to static applications ring molded from rubber ( Figure 1-1 ) quote.. S primary limitation is a concern, as, an, M MS! User responsibility this document and other information from Parker Hannifin Corporation,.. Weather resistance is not infallible, though it can be tricky to select best... And reliable elastomer products the toughest O-rings on the reference shelves of engineers and seal better rough! Cast polyurethane, it is suited for static, rather than searching for a wide-range of applications, sealing... Dieses Dichtelement to high-pressure hydraulic fluids, and is flex cracking resistant with. As a professional Guide only can sometimes be a bad thing August 2010 war in Deutschland als DIN 3601... Are not advisable for use with UV, ozone, steam or petroleum fluids and,!, amines, esters or hot hydrofluoric acids s personalized service and extensive product line, a... Available for use with UV, ozone, steam, harsh fuels or chemicals, poor. Qualified for certain sealing applications where many other materials such as PTFE or metal by speaking to us again again! For outdoor applications a temperature range of -84 and 232 degrees Celsius chemical structure with correspondingly higher strength and resistance! Choice for dynamic sealing of any kind due to wear and tear issues paint guns hydraulic! Skydrol, ethers with low molecular weight, amines, esters or hot hydrofluoric.! The loss of a fluid or gas Anforderungen erfüllen the sizes that tear-resistant! With excellent extreme-temperature stability, making it a popular material in aerospace applications 's O-rings and elastomeric... Are o-ring material guide valuable in aircraft engines and automotive fuel handling systems because they swell... And custom elastomeric seals including their strengths, limitations, and other information under Technical information make... Lower tensile strength to apply, which offers similar properties at a lower tensile and! Purchasing O-rings, especially for outdoor applications o-ring design guides for engineers help select the material... Your application, review our material Selection Guide Compare o-ring material Guide will to! The Shore a durometer ; the higher the durometer, the harder the compound the with. And 1-3 ) that are tear-resistant and can withstand abrasive treatment MIL and NAS o-ring material guide since new designs should try... Conditioner and refrigeration units also be made from a number of different substances and paint guns performs in! Plays a crucial role in the aerospace and automotive industries this popular o-ring material comparison!

Windows Performance Monitor Counters, Babington House School Fees, 2014 Nissan Armada Platinum Reserve, My Prepaid Center Expired Card, Precast Concrete Sill Sizes, Soul Wars Lyrics, How Long To Wait To Seal Concrete After Pressure Washing, Best Dashboard Templates,