Compare to Parker V7594B, Viton GLT Low temperature resistance, improved Water, Steam and Mineral Acids resistance, Very hard extrusion resistant type A FKM, compare to Parker V1238-95 and Parco 9021-95, Viton GF-S best value for widest chemical resistance FKM, Extended low temperature FKM, Wide chemical resistance including H2S and Oxygenated fuels, compare to Parker V1289-75, Viton F material for increased solvent and general chemical resistance, AED resistant Viton GLT, Norsok M710 and NACE TM0297 tested, USP class VI medical grade, USDA 3A and FDA compliant, Metal detectable, FDA compliant type A FKM. 2023 Allied Metrics O-Rings & Seals, Inc. | All Rights Reserved | Site created by Thomas Marketing Services, 2023 Allied Metrics O-Rings & Seals, Inc. | All Rights Reserved Site created by Thomas Marketing Services, 14700 Tamiami Trail North | Unit 12. In case of eye contact, immediately flush the eyes for at least 15 min with water. Therefore, manufacturers, including Parker, solve this problem by mixing PTFE material with various fillers to provide users with more flexibility. Allied Metrics specializes in providing high-quality sealing solutions for those in need. It is important that you analyze all aspects of your application. Maximum temperature recommendations are based on long term functional service. We offer the largest inventory of specialty and standard sealing solutions backed by best-in-class technology, service and support. Wide temperature range: -50F to 400F Low compression set RGD resistant per ISO 23936-2 H2S resistant per ISO 23936-2 (up to 10%) A wide range of chemical compatibilities Low-temperature. Additionally, environmental factors set these materials apart. Which O-ring material is right for my application? Not a complete list of offerings. Viton GLT has a more broad usable thermal range of -45 C to 275 C and outstanding in aggressive HTS-type oils, applied in aerospace applications. Marco Rubber & Plastics is an industry leader in custom sealing solutions that go beyond the limits of catalog commodities. [15] An example are FKM o-rings used as an upgrade to the original neoprene seals on Corvair pushrod tubes that deteriorated under the high heat produced by the engine, allowing oil leakage. O-Ring Material Temperature Guide - Web Seal Inc. Rochester NY Analysis and process instruments: separators, diaphragms, cylindrical fittings, hoops, gaskets, etc. FKMs are used because they have a lower probability of catching fire, even with the increased percentages of oxygen found in nitrox. Viton o-rings from allorings.com have great chemical and temperature resistance. It holds up very well against acidic and petroleum-based compounds ranging from polymers to auto fuel. Temperature Range for Viton O-Rings The temperature range is generally -15to 400F. The temperature range for a specific compound may not reach these maximum limits. Not resistant to Auto / Aircraft Brake Fluids, Not resistant to Acetone, Skydrol, Ethyl Acetate, Not resistant to Hot Water and Steam (except specialty grades), Not resistant to Low Molecular Esters and Ethers. This eliminates incorrect readings or information that may be influenced by outside factors or ambient heat that exist within the project space but do not impact o-ring performance. Able to withstand heat up to 450 F, these O-rings maintain a strong seal even when the temperature rises. Perfluoroelastomers (FFKM) are an extension of the Fluorocarbon FKM elastomers extending the compatibilities of the FKM while at the same time extending the upper temperature limits of the materials while compromising the lower temp limits. For more details, see the full Product Selection Guide, the Chemical Resistance Guide, or Contact us. O-Ring Kits | McMaster-Carr PDF Viton Selection Guide - Global O-Ring and Seal Technical Handbook O-rings Lower compression set values indicate improved remaining seal capacity. Chemours, the Chemours logo, Courageous Chemistry, and the Chemours Courageous Chemistry logo are trademarks of The Chemours Company. Lets look at some of them below: Resistant to: Water, Petroleum Oils & Fluids, and Hydraulic Fluids, Not recommended for:Phosphate ester base hydraulic fluids, automotive brake fluids, ketones, strong acids, ozone, freons, halogenatedhydrocarbons, and methanol, Temperature Range: -40 to +250F, although thats an average for the lower and upper tolerances for the various nitrile butadiene rubber (NBR) compounds manufactured by Parker. Many industries use a combination of Viton and nitrile O-rings to seal systems. All Rights Reserved. Seal professionals value Buna-Nitrile elastomer for competitive price and excellent resistance properties to petroleum-based oils and fuels, silicone greases, hydraulic fluids, water, and alcohols. The temperature ranges presented above are approximations for dry air service only and should not be used to determine design specifications or end-use temperature limits. Table of Contents When we compare the two, Viton is more temperature resistant but lacks the chemical resistance of Teflon (PTFE). There are four major families of Viton fluoroelastomers: A, B, F, and ETP, each with its own unique performance characteristics. A-331C. Auto & Aircraft Brake Fluids Your message They can be easily distinguished from many other elastomers because of their high density of over 1800 kg/m3, significantly higher than most types of rubber.[12][13]. Temperature - OringsUSA The guide includes generalized recommended o-ring mateiral uses and non-recommended uses with typical material mechanical properties. When picking the right O-ring for your specific application, there are many factors to consider. Set Resistance Neoprene O-rings have a relatively low compression set, good resilience, abrasion, and are flex cracking resistant. Want to get more information about our products? Chemical resistance/applications USA AS568 Parker O-Ring Size Chart, X-Ring Square Ring Size Charts. Copyright 2023 Marco Rubber and Plastics. Viton O-rings can also provide consistent sealing for up to two days in systems that reach up to 527F. 2023 The Chemours Company. Viton has outstanding resistance to heat. [3] All FKMs contain vinylidene fluoride as a monomer. Please contact an application engineer for assistance in selecting the compound that provides the best combination of performance and price for your specific application. Fluorocarbon elastomers are highly fluorinated carbon-based polymers used in applications to resist harsh chemical and ozone attack. FKM (Viton) vs Silicone for O-Rings and Seals - Marco Rubber FKM is an abbreviation of Fluorine Kautschuk Material. High Temp O-Ring & Low Temp O-Ring Ranges for Common Materials Temperature ranges are recommendations with a margin of safety when setting the general operating temperature of common elastomers. O-ring material selection guide. FFKMs are the cleanest/purest compounds available on the market. Ketones (MEK,and Acetone) and Skydrol fluids. Besides product, ERIKS offers also a range of services, 2023 ERIKS nv. While Viton is resistant to a long list of chemicals, it is not recommended for exposure to: In contrast with its high-temperature resistance, Viton does not retain flexibility at low temperatures, so it is not recommended for low-temperature applications. If you have questions about which material is ideal for your O-ring application or even whether the material youre currently using is correct for your application,reach out to us today. | Sitemap, Registered Office: ERIKS N.V. - Chamber of Commerce North-Holland: 37 01 32 89 - VAT Number: NL003.076.490.B02, Viton O-rings have an extremely wide temperature range -50C to +205/230C (-15F to +400/440F), Low compression set and low gas permeability, Viton O-rings have excellent resistance to acids, mineral and vegetable oil and greases, fuels, aliphatic, aromatic and chlorinated hydrocarbons, non-flammable hydraulic fluid and several organical sovents and chemicals, Viton O-rings are exceptionally resistant to aging, chemical and ozone attacks. Assuming chemical compatibility is not a factor, we generally consider Buna O-rings to be better performers because of their resistance to a characteristic known as "compression set.". Polar solvents, low molecular weight organic solvents and glycol-based brake fluids, Internal Lubrication with Silicone oil, Moly and Graphite, Special tumbling for complete flash removal, Talcum powder on surface to reduce sticking. O-Ring Material Chart - Quick Selection Guide - Marco Rubber For this reason, its essential to have O-ring temperature rating systems in place that tell facility managers the correct O-rings to use with different conditions and equipment. FKM is a family of fluorocarbon-based fluoroelastomer materials defined by ASTM International standard D1418,[1] and ISO standard 1629. As a trusted Viton O-Ring supplier, in addition to the standard compounds, we can supply: O-rings are used in seals that have to maintain consistent performance in the face of a wide range of temperature extremes. On the other hand, Teflon is better in terms of non-adhesive properties but is less thermal resistant. There are colored and translucent materials as well as internally lubricated materials to meet special needs. Black, brown, green, white, rust, yellow and blue are available, in addition to any customer-assigned color. oxygen, fungal growth, ketones, dry heat, wide temperature range, non-toxic and odorless. FKM O-rings have been used safely for some time in SCUBA diving by divers using gas blends referred to as nitrox. As an authorized Parker distributor in addition to standard O-ring materials mentioned above, The Hope Group also offers custom seals that are designed exclusively for your specific application. FKM - Wikipedia Product Description Dipolymer of hexafluoropropylene, Chemical Compositionvinylidene fluoridePhysical FormSheetAppearanceWhite to tanOdorNegligibleMooney Viscosity, ML 1 + 10 at 149 C (300 F) 100 Specific Gravity 1.82Storage StabilityExcellentFluorine, % ~66 Curing Systems for Viton A-Types Fluoroelastomers provide excellent high temperature (up to 500F or 260C[11]) and aggressive fluids resistance when compared with other elastomers, while combining the most effective stability to many sorts of chemicals and fluids such as oil, diesel, ethanol mix or body fluid.[4]. The terms Viton O-rings and FKM often lead to confusion and incorrect interpretations. Wyatt Sealis proud to offer a variety ofParker O-Rings, Kalrezo-rings andcustom o-ringsto support every projects unique needs. Viton temperature rating | O-ring Thats where Finite Element Analysis (FEA) can help you save valuable time and money in your search. A major differentiator between the Viton product families is fluid resistance, which is based on the polymer's fluorine level. Viton F-605C* fluoroelastomer is a new generation incorporated cure "F-family" terpolymer designed for compression and transfer molding of seals, gaskets, and O-rings that require excellent fluids resistance to today's automotive fuels. Don't see what you need? - 75 to 250. This is a critical stage in development, as every rubber compound carries its own strengths, weaknesses and sealing capabilities. For O-rings the minimum squeeze should be about .007 inch. Everything You Need to Know About Filter Seals, Everything You Need to Know About Medical Grade Materials. Naples, FL 34110, Ketones (MEK) In fact, one Viton o-ring can withstand temperature ranges from -13F to 446F. There are numerous compound variations designed for specific applications. Not recommended for: Applications requiring O-Ring stretch and compression. FKM and Viton Material Types: A, B, F, GLT, GFLT, XLT, ULT, ETP, TBR High Temperature Viton Seals and Chemical Resistant Viton Gaskets. Keep reading to find the best O-ring material out of Viton and Teflon (PTFE). Viton is a synthetic, high-performance fluoropolymer elastomer (rubber) commonly used in o-rings for rigorous applications. Viton (Fluorocarbon Type A) Order O-rings Online : Standard: -15F to 437F Specialty: -54F to 437F : Copyright 2018-2023 Wyatt Seal, Inc. All Rights Reserved. Selecting the appropriate fluoroelastomer ultimately will be determined on the desired: See the chart below for general performances differences. Consult a Marco Engineer for more details. FPM is the ISO designation, FKM is the ASTM disgnation. Additionally, temperature highs and lows are often given in terms of prolonged functional abilities, which may raise the minimum or reduce the maximum this is important to remember, as your o-rings will not be used once or twice in quick bursts but will be counted on for extended time periods under these heat conditions. Contact us to learn more or speak to our seal specialists. Home Materials FKM Viton temperature rating. Terpolymer GLT type for low temperature applications. If you continue to use this site we will assume that you are happy with it, Aftermarket & Production Kitting Services, BotDetect CAPTCHA ASP.NET Form Validation. Benefits. Due to the variety of operating conditions and applications for these products or systems, the user, through his or her own analysis and testing, is solely responsible for making the final selection of the products and systems. Terpolymers B-, F-, AL-Type Fluoroelastomers, Extrusion Process Aids That Address Extrusion Issues, The Right Elastomer for Turbocharger Hoses White Paper, Flexibility at low temperature (ability to maintain a seal at low temperature). 30. Fluoroelastomers are more expensive than neoprene or nitrile rubber elastomers. Viton o-rings are a popular alternative to the widely-used nitrile seals. Depending on the grade the working temperature range is considered to be -26C to +205/230C (-15F to +400/440F). For others type 60 to 90 Shore A are appropriate. Temperature Range:-260F to 300F. Considering the maximum and minimum temperatures that will . High Temperature Performance F (C) (Basic Static Applications), Low Temperature Performance F (C) (Basic Static Applications). . For general-type seals, the optimal viton o-ring temperature range is. When not in stock most custom Viton O-Rings can be made in a few weeks without tooling fees. The low strength and poor abrasion resistance as well as high gas permeability, make them not compatible with the most petroleum fluids, ketones, water, and steam. Temperature ranges are recommendations with a margin of safety when setting the general operating temperature of common elastomers. All rights reserved. Viton O-ring seals are the preferred material for systems that regularly reach these temperature extremes. Resistant to: Refrigerants (freons, ammonia), high aniline point petroleum oils, mild acids, and silicate ester lubricants, Not recommended for: Phosphate ester fluids and ketones. Knowing which O-ring is the best choice in different scenarios can help facilities keep costs down without sacrificing safety or quality assurance. This material is also highly resistant to physical abrasion damage. | Sitemap, Registered Office: ERIKS N.V. - Chamber of Commerce North-Holland: 37 01 32 89 - VAT Number: NL003.076.490.B02. Base Resistance: % Loss of Elongation @ Break. Most projects dont sit within a few degrees throughout the work fluctuations are going to be a part of the application, and sometimes those swings can be dramatic and potentially compromise the functionality of the o-ring. Applications & Standards for Viton O-Rings FKM has good resistance to petroleum products and a wide spectrum of chemical compatibility. Viton ETP is usually applied in the chemical industrial field. Choosing which Viton product to use for any given application will be determined by the end-use service. News Tweet us @AppleRubber to continue the conversation. Responsive expert service. Viton - an overview | ScienceDirect Topics Maximum Temperature; 250 to 299 F: 300 to 399 F: 400 to 499 F: For Use With. Weve spent decades gathering first-hand knowledge of how different material O-rings perform under different conditions. (73 F), Concentrated H2SO4 @ 70 C Viton O-Rings Supplier - Viton FKM Seals | Rocket Seals, Inc. Fluorocarbon (FKM) compounds combine high-temperature resistance with excellent chemical resistance. Special formulation can also improve resistance to water, steam, acids and fuels. 66. Actual temperature range of a compound in an end-use application is highly dependent on part type, hardware configuration, applied forces, chemical media, pressure and thermal cycling effects, and other factors. All of the designations stand for one single base material, which is fluoro rubber.
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