Viton fluoroelastomer has expanded to many other industries, especially in the automotive, fluid power, appliance, and chemical fields. The classifications may differ from those listed in the. Here is the rubber compatibility chart that rates all popular rubber materials that comes into contact with various chemicals. Where governmentally imposed occupational exposure limits which are lower than the ael are in effect, such limits shall take precedence.
May 20 oxygen safety 4 common contaminants in oxygen systems, luxfer any of these contaminantsmany of which are very difficult to detectcan be the initial fuel for an ignition event, the technical term for starting a fire. Kelf is a copolymer of chlorotrifluoroethylene and vinylidene fluoride and is called polychlorotrifluoroethylene cfm. Fluid compatibility charts for perfluoroelastomer, viton etp, aflas tfep, viton fkm, epdm p. Excellent resistance to acids, fuels, mineral oils, greases, aliphatic, aromatic and chlorinated hydrocarbons, nonflammable hydraulic fluids hfd and many organic solvents and chemicals. Help maintain process purity and integrity when fda compliance is necessary, certain types of viton meet fda requirements for food and pharmaceutical applications. Chemical resistance and fluid compatibility, including all chemicals under the clean air act. Elastomers chemical compatibility chart ver 19dec2018 it is the sole responsibility of the system designer and user to select products suitable for their specific. Chemical compatibility chart the attached information has been prepared in good faith by rapra technology limited and other sources. Oring compatibility chart data from epdm silicone viton aflas epdm silicone viton aflas abietic acid x x x x alkyl sulfide 4 x 1 x acetaldehyde 2 2 4 3. However, biofuels present their own set of material compatibility challenges.
Chemical resistance guide c hemical r hayward flow control. The etp types of viton exhibit the same excellent resistance to acids and hydrocarbons. Refer to the elastomer chemical compatibility chart for a more detailed list of chemical interactions. The following tables provide a summary of the various elastomer material groups. Viton 2 vinylidiene fluoride hexafluoropropylene epdm ethylene propylene diene monomer silicone polydimethylsiloxane. Compatibility of elastomers in neat methanol service elastomers and rubber compounds are widely used in methanol service as orings, gaskets, packing, and sealing materials to prevent leakage of methanol liquid and vapors into the surrounding environment. Chemical compatibility guide for sealing materials and media used in. Use this chart to make sure your rubber or oring seal material is compatible with your environment. Order viton orings from the worlds largest viton oring inventory network. Aromatic hydrocarbons adc a d arsenic acid b ad a c asphalt b aca b d barium carbonate b aa barium chloride cd aa b barium cyanide ac b a c barium hydroxide b c adb a a no effect excellent 1. Use this rubber chemical resistance chart to make sure that the elastomer or oring seal you choose. This elastomer homopolymer and the copolymer combine exceptional resistance to aromatic and halogenated hydrocarbons. Technical information gas compatibility the compatibility data shown on the following pages has been compiled to assist in evaluating the appropriate materials to use in handling various gases.
From wikipedia, the free encyclopedia viton is a brand of synthetic rubber and. Viton gf and viton etp are much more chemical resistant than the old standby viton a, which has been the backbone of the viton compound line until now. A excellent, no effect b good, minor effect c fair, data not conclusive, testing recommended x not recommended. These elastomers have excellent resistance to ozone, oxidation, weathering, heat, aliphatic and aromatic hydrocarbons, and alcohols. Viton 2 vinylidiene fluoride hexafluoropropylene epdm ethylene propylene diene monomer silicone polydimethylsiloxane chemraz proprietary dupont polymer type sas. With over half a century of proven performance, viton fluoroelastomer has developed a reputation for outstanding performance in high. Information should be used as a guide only, as the information is only current at the date of publication. Viton performs well in a wide range of aggressive fluid environments. Epdm epm is an elastomer made from ethylenepropylene diene monomer. Kynar pvdf a high performance fluorpolymer resin with excellent chemical resistance properties. Oring compatibility chart data from epdm silicone viton aflas epdm silicone viton aflas abietic acid x x x x alkyl sulfide 4 x 1 x acetaldehyde 2 2 4 3 alkylnaphthalene sulfonic acid 42 1x acetamide 1 2 3 2 allyl chloride 4 x 1 x acetanilide 1 2 3 x allylidene diacetate 1 2 3 x acetic acid 30% 1 x x x alpha picoline 1 2 3 x. The data table below is an application guide, and indicates the. Hydrocarbons 4 2 1 x ammonium carbonate 1 x 1 1 ammonium chloride alkanesulfonic acid 4 2 1 x ammonium chloride, 2n 1x 11.
Systems using viton can tolerate changes in fluids and have more versatility for broader application. Viton gf and viton etp are two new super chemical resistant viton compounds developed to solve critical sealing problems. Chemical compatibility cannot be read straight off charts, and other factors. Viton is also known as fkm made of fluoroelastomer one of the most versatile and widely used sealing materials.
Compatibility guide a excellent, b good, c fair to poor, d not recommended x or brackets around a rating letter, no data is available, but the ratings are made on the basis of exposure test in similar chemical groups. Viton extreme etp600s is a copolymer of ethylene, tetrafluoroethylene tfe, and perfluoromethylvinyl ether pmve. Do not use viton with acetone, esters, amines, organic acids, acetic acid, mek, ethyl acetate, highly polar chemicals, etc. The chemours company fc, llc viton gf and viton etp viton gf and viton etp are two new super chemical resistant viton compounds developed to solve critical sealing problems. Rubber refers to elastomeric compounds that consist of various monomer units forming polymers that are heat cured vulcanized. Viton freeflow extrusion process aids also improve processing, increase output, and reduce waste. It is the ultimate responsibility of the end user to determine the compatibility of the chemical being used in his or her particular application. The eriks oring chemical resistance guide allows you to check some 20 different rubber families and some plastics against over 2000 chemicals. Oring compatibility chart javascript seems to be disabled in your browser. Contact hayward for information on eastar products.
It is extremely important that all gas control equipment be compatible with the gas being passed through it. Excellent compatibility with fresh and contaminated biodiesel, and with ethanol. Viton gflt, like viton glt, exhibits significantly improved low. Epdm has good abrasion and tear resistance and offers excellent chemical resistance to a variety of acids and alkalines. Aem elastomers offer good resistance to heat ageing, weathering, aliphatic hydrocarbons and good low temperature performance.
Viton orings supplier fkm viton seals viton etp glt gflt. Glove selection is based on the carrier material i. Before permanent installation, test the equipment with the chemicals and under the specific conditions of your application. The list is to be used as a guide to determine type of meter to recommend for a particular fluid. For chemical resistance information on valves using fpm seals please refer to fpm chemical resistance guide. Carbonyl fluoride, fluorinated hydrocarbons, fluorinated olefins section 11. However, since the resistance of metals, plastics and elastomers. Chemical resistance chart acetaldehyde alcohols propyl chemical resistance data these recommendations are based upon information from material suppliers and careful examination of available published information and are believed to be accurate. Polypropylene a general purpose low cost material having broad chemical resistance for use in a wide variety of chemical applications. Elastomer chemical compatibility elastomer seal selection criteria 3 8 30 novotema is a worldclass designer and manufacturer of technical components and elastomer sealing solutions for demanding applications. The viton diaphragm may be faced with ptfe for improved chemical compatibility. Viton seals provide an indefinite seal for temperatures up to 400f, and for temperatures up to 600f they offer an excellent seal for more than 48 hours. Viton glt, introduced in 1976, was the first commercial fluoroelastomer to use this fluorinated vinyl ether monomer. The fluid chemical resistance chart shows the superiority of viton gf and viton etp, which will replace teflon in most.
Rubber chemical resistance chart, rubber compatibility chart. Viton and fluorel are the most important members of this group today. The information in this chart has been supplied to coleparmer by other reputable sources and is to be used only as a guide in selecting equipment for appropriate chemical compatibility. This unique combination of monomers provides outstanding resistance to fluids and is an example of an etp polymer. It is important to recognise that when using this guide, the ratings shown are based on published data and immersion tests. Viton a is resistant to atmospheric oxidation, sun, weather, and has excellent resistance to fungus and mold. Machining oils including residual oil film hydrocarbon based grease and lubricants including compressor oil. Provides good chemcial resistance to petroleum products and solvents. Because of this extensive chemical compatibility, which spans considerable concentration and temperature ranges. V083470 fkm viton fluorocarbon datasheet test report. With some media however, the service temperature range may be significantly different.
While both viton and buna seals both serve as great sealing options at moderate temperatures, viton is far superior to buna for high temperature applications. Download the viton msds pdf viton a201 spec sheet pdf. The information in this chart has been supplied by reputable sources and is to be used only as a guide in selecting equipment for appropriate chemical compatibility. With over 300 elastomer rubber material grades to choose from, novotema is sure to have a sealing material to suit any application. Viton datasheet, viton pdf, viton data sheet, viton manual, viton pdf, viton, datenblatt, electronics viton, alldatasheet, free, datasheet, datasheets, data sheet. Ptfe polytetrafluoroethylene has outstanding resistance to chemical attack by most chemicals and solvents. Rubber chemical resistance chart, rubber compatibility. Due to its unique properties, kalrez perfluoroelastomer parts should be considered for service in all applications and environments where dependable longterm service. Used for pumping aggressive chemicals at elevated temperature. It is a synthetic rubber that resists many hydrocarbons, biodiesel, and petro chemicals, but is not compatible with ketones.
Toxicological information carcinogenicity the carcinogenicity classifications for this product andor its ingredients have been determined according to hazcom 2012, appendix a. Viton glt peroxide curable offering low temperature flexibility 40c 40f. Resistance data for fkm applies only to fittings using fkm seals. Polymers are long molecular chains and are derived from the greek poly many and meros parts. These temperature ranges will apply to the majority of media for which the material is potentially recommended. Viton bunan edm silicone ete oring chemical compatibility inormation 18002234524. Viton orings from marco rubber offer excellent compatibility with a range of chemicals, oils and resist high temperatures up to 400f.
Use this rubber chemical resistance chart to make sure that the elastomer or oring seal you choose will be compatible with the particular environment. Compatibility manual this manual contains a list of liquids and their compatibility with materials of construction for oval gear, rotary pd and turbine meters. The ratings are based for the most part, on published literature. Compound compatibility rating chemical resistance for epdm applies to valves and fittings using epdm seals. The viton a is a fluoroelastomer dipolymer comprised of vinylidene fluoride and hexafluropropylene. The information accuracy of these ratings cannot be guaranteed, nor is it a complete list due to the extensive area of this field. Gloves provide a necessary personal protection barrier and help prevent scatter contamination. Material nitrile tpe santoprene teflon nitrile ts hytrel neoprene urethane epr,epdm viton polypropylene acetal pvdf aluminum cast iron stainless hastelloy compatibility guide aluminum sulfate sulphate a a a a b a b a a a b70 a a d a a amines d a a d d d d c d b120 c70 x a d a b ammonia, gas, cold b a aa d a b a d b a d xx xx. Viton is a common name for the copolymer of hexafluoropropylene and vinylidene difluoride.
This polymer provides the same excellent resistance to heat and fluids that is typical of the a types of viton fluoroelastomer. Avoid polar solvents, amines, anhydrous ammonia, hydrazine and hot acids. Twa total dust ael is duponts acceptable exposure limit. High resistance to permeation and chemical attack by alcohol, pure ethanol and blends of ethanol with hydrocarbon fuel. Ptfe, a self lubricating compound, is used as a seat material in ball valves. Products made with viton fluoroelastomers retain their flexibility, shape, and seal when exposed to chemicals and high temperatures. Elastomer types and chemical compatibility novotema. It contains about 65% fluorine and is recommended for aromatic hydrocarbons, acids, and halogenated hydrocarbons trichloroethylene. Compatibility chemical compatibility chemicial compatibility guide the following information is intended to be used as a general guideline for pump material selection. Viton fluorohydrocarbon elastomers fkm, have been successfully used in seals and hoses for over 45 years and is a preferred elastomer for todays fuel systems.
Chemical resistance chart acetaldehyde alcohols propyl. It can be used on solutions containing up to ppm solvents. This is a compatibility table and compound from list to view comparability rating of the oring. Materials chemical compatibility guide trelleborg sealing solutions. In addition to this chemical compatibility chart, report tr60d, bal seal has three other reports. Parker oring handbook 5700 handbook compatibility tables for gases, fluids, solids note. Chemical resistance guide everything inside the fence. The data given should be used cautiously, and as a guide only. Oring compatibility chart offers guidance on chemical resistance and swell for viton orings, ffkm orings, silicone orings, teflon orings and more. Chemical compatibility chart central michigan university. Due to the aggressive nature of the test media on std.
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