fkm vs epdm chemical resistance guide

The blue Fluoroprene XP thus allows material standardization in place of HNBR, EPDM and FKM compounds in applications . Compounds of Viton remain substantially elastic indefinitely when exposed to laboratory air oven aging up to 204C or to intermittent exposures up to 316C. Lower temperature resistance and improved chemical resistance over standard A type FKM : V1118: FKM Viton (F) Fluorocarbon : White : 70 : Low : 437 -15 : 3 : 4 : 2 : 2 : 1 : 2 : 2 : 1 : 1 : 4 : . EPDM Silicone FETFE CAPFE O-Ring Chemical Compatibility 6 Inormation 1-800-223-4524 www.aceglass.com The first commercially available FFKM seal was produced in the late 1960s. Guide to Impact of Chemicals on EPDM Rubber This guide will help in assessing the impact different chemicals may have on EPDM rubber. With an operating temperature as low as -50 C (with highs of +150 C), EPDM is a solid choice in sub-zero temperatures. SEARCH SEARCH THIS CHEMICAL RESISTANCE GUIDE. FFKM. Before permanent installation, test the equipment with the chemicals and under the specific conditions of your application. FKM seals display very good resistance to media, ozone and aging. Fluoroelastomer is the ASTM designation for a high-performance fluorinated synthetic rubber. It is recommended that users of DICHTOMATIK products conduct their own evaluations to determine suitability for the intended application. CHEMICAL RESISTANCE GUIDE Thermoplastics: ABS, PVC, CPVC, PE, PEX, PP, PVDF Elastomers: EPDM, FPM (FKM), SBR, BUNA-N (Nitrile) Chemical Resistance Guide. . The data given should be used cautiously, and as a guide only. The operating Fluorine rubber FKM Chemical properties superior to al other elastomers. Fluorocarbon (Viton /FKM) Temperature range: -35C and +110C (+135C intermittent) -25C to +205C (+230C intermittent) Suited for: General purpose sealing, such as petroleum oils, water and some hydraulic fluids. Our Flouroelastomer (FKM) database is derived from various polymer suppliers, rubber manufacturers, and reputable industry sources. FKM + NBR + HNBR + EPDM + Aflas | TFE/P + FVMQ + VMQ + CR + Industries + Industries; General purpose + Machine construction + Drinking water + Particularly suitable for aggressive chemicals. EPDM cannot be used on petroleum oils. EPDM Rubber. Description: Extended low temperature FKM, Wide chemical resistance including H2S and Oxygenated fuels, compare to Parker V1289-75: Get Quote: Buy Online: Compound: V1088: Datasheet: Hardness: 75: Color: Black: Low Temp: It is to be used only as a guide in selecting equipment for appropriate chemical compatibility. EPDM Good resistance to ozone and weathering. Fluoroelastomers were originally introduced over 50 years ago to meet the needs of the aerospace industry for a high-performance elastomer. The vulcanization process cross-links the polymer chains via chemical bonds creating the elastic or "rubbery or memory properties". . SERIOUS INJURY MAY RESULT Use suitable guards and/or personal protections when handling chemicals. . Fluorocarbon elastomers are highly fluorinated carbon-based polymers used in applications to resist harsh chemical and ozone attack. Because DuPont Kalrez has outstanding chemical resistance, it withstands nearly all classes of chemicals. FKM materials are either bisphenol-cured or peroxide-cured for better resistance to wet environments. Elastomers are long-chain polymers which are capable of cross-linking which is referred to as vulcanization. EPDM compresses well and is highly resistant to tears, abrasion and steam. It also handles low temperatures ok (down to -30C). EPDM, EPM- Ethylenepropylene rubber is an elastomer prepared from ethylene and propylene monomers. SI, FSI and FKM ratings are generally for room temperature service . Type a keyword into the]j B ~z Wn 9,Vu%zat j ` Order High Quality FKM/Viton Brown Cord to match your specific custom needs with the help of our chemical compatibility chart most current chemical resistance guide by scanning the QR Code or searching for "chemical resistance guide" . properties such as high chemical resistance, wide application temperature range, good UV resistance (i.e. bination of strength, chemical resistance and working tem-peratures of PVDF. The online Viton Chemical Resistance Guide provides basic information about elastomers and the properties that are important to consider when selecting them. FKM (viton) FKM has excellent rebound as well as weather resistance through a wide range of temperatures. The information presented is based on laboratory testing and does not necessarily indicate end product performance. unaffected by sunlight long term), excellent abrasion resistance, smooth inner surfaces (low pressure losses, resistant to deposits or bacterial buildup), excellent insulating properties and low permeability. Compare FKM (Viton) vs EPDM (EPR) o-ring properties, temperature ranges, resistances, and limitations. EPDM. characteristics. In 1975 a new fluoroelastomer family was introduced by Asahi Glass Co., FEPM, based on an alternating copolymer of TFE and propylene. Due to its low taint and taste, and excellent UV resistance, it is often used in water-based external environments. Fluorocarbon rubber compounds are available as a copolymer (two monomers), terpolymer (three monomers) or as a tetrapolymer (four monomers). CHEMICAL COMPATIBILITY CHART . FKM rubber has excellent resistance to heat and chemicals. and thus, chemical resistance. Few rubbers can withstand extremely cold temperatures like EPDM. Neoprene -54C to 121C (-65F to 250F) FKM Fluorocarbon -40C to 232C (-40F to 450F) Nitrile -59C to 121 . EPDM is recommended for CIP Sanitizing Agent Oxonia and for ozone treated water applications. Gaskets and seals made from FKM material have outstanding resistance to oxygen, ozone, UV and heat (up to 200C), as well as swelling by oils, aromatic and chlorinated hydrocarbons, and fuels. The material is also stable in fuels as well as petroleum-based oils and greases, along with aliphatic and aromatic hydrocarbons. FKM is a copolymer made of highly fluorinated hydrocarbons and developed during the 1950s. The ERIKS O-ring Chemical Resistance Guide allows you to check some 20 different rubber families and some plastics against over 2000 chemicals. This combination of high-performance capabilities makes FFKM seals the premium choice for the most challenging applications. Chemical Compatibility Guide HIGH-PERFORMANCE MATERIALS Greene, Tweed offers customized-engineered components that optimize . FKM is known especially for its non-flammability, low gas permeability and excellent resistance to ozone, weathering and aging. Subject to gas binding - use degassing head. The data presented in this guide is based on published data and field experience. EPM is a copolymer of ethylene and propylene, while EPDM contains a small amount of a third monomer (a diene) to aid in the curing process. Any water pipe applications that has high volumes of sodium, or nitrogen, are commonly sealed using EPDM. Oil and chemical resistance are also essentially unaffected by elevated temperatures. Viton (Fluorocarbon, FKM, FKM AED, FF200) possesses a strong resistance to chemicals and air at high . EPDM has good abrasion and tear resistance and offers excellent chemical resistance to a variety of acids and alkalines. EPDM has excellent weathering characteristics and good elongation. almost universal chemical resistance of PTFE with the resilience of elastomers. Order High Quality ID:94.62 CS:5.33 EPDM Black O-Ring to match your specific custom needs with the help of our chemical compatibility chart EPDM. Key to General Chemical Resistance [all data is based on ambient or room temperature, about 64F (18C) to 73F (23C)] . All of our Fluoroelastomer (FKM) products are manufactured with 100% virgin FKM Fluoroelastomer polymer sourced from the world's leading manufacturers. Unsatisfactory for oils and fats.-30 (-22) to +130 (+266) Dependant on aggressive-ness of the fluid and on mechanical load. This is an interactive text searchable document. EPDM has excellent weather resistance and is available in a large range of sizes. EPDM (Ethylene Propylene) Kalrez (Isolast, FFKM) Fluorosilicone (FVMQ) Hydrin (ECO, . Description: Fluorocarbon is a well-known high performance rubber that has excellent resistance to high temperature, ozone, weather, oxygen, mineral oil, fuels, hydraulic fluids, aromatics, and many organic solvents and chemicals. approach the combination of strength, chemical resistance and working temperatures of PVDF. . The chemical name for this EPDM rubber is Ethylene Propylene Diene Monomer rubber. FFKM also has improved chemical resistance, with nearly universal chemical compatibility. Here is the rubber compatibility chart that rates all popular rubber materials that comes into contact with various chemicals. When coupled . The working temperature range is considered to be -26C to +205/230C (-15F to +400/440F). Viton fluoroelastomers fall into these different categories: A-TYPE, 66% fluorine. Recommend liquid end lush 9. Chemical Resistance Guide 2 . EPDM - EPDM has good abrasion and tear resistance and ofers . Fluoroprene XP is the premium allrounder amongst our quality materials, which unifies the advantages of elastomers particularly cost-effectively. FKM Fluoro rubber of the polymethylene type that utilizes vinylidene fluoride as a comonomer and has substituent fluoro, alkyl, perfluoroalkyl or perfluoroalkoxy groups on the polymer chain, with or without a cure site monomer (having a reactive pendant group) Helpful Resources Chemical Resistance Guide Safety Data Sheets (SDS) Contact Us Use this rubber chemical resistance chart to make sure that the elastomer or O-ring seal you choose will be compatible with the particular environment. 3 POLYPROPYLENE PVDF . FKM. NBR is a synthetic polymer and suitable for neutral liquids such as water or hydraulic oil at . Do not use EPDM gaskets for mineral . Kalrez perfluoroelastomer (FFKM) parts withstand attack from more than 1,800 chemicals, solvents and plasmas. FKM is known especially for its non-flammability, low gas permeability and excellent resistance to ozone, weathering and aging. Chemical Compatibility Guide 20887Cvr:Layout 1 5/13/08 7:39 AM Page 2 . . Service temperatures are -5C (25F) to +200C (+400F). materials can differ with regards to their chemical resistance and cold-flexibility. Fluorocarbon Viton /FKM is an all-round material that is . These elastomers are specifically designed to be highly resistant to elevated temperatures - 204 C continuous and 300C intermittent and aggressive chemical changes. The maximum working temperature of EPDM is approximately 120-130 degrees Celsius. CHEMICAL RESISTANCE AND FLUID COMPATIBILITY . However, FKMs shows poor resistance to bases. Whether it's resistance to acids, amines, plasma, ultrapure de-ionized water or strong bases, by selecting the Kalrez product that is best suited to a specific application . To help you identify the best rubber material for your seal, we've published this Rubber Chemical Compatibility and Resistance Guide. CHEMICAL COMPATIBILITY GUIDE RATING DESCRIPTION VOLUME CHANGE COMMENTS It covers all the most common grades of rubber and lists their compatibility with over 500 different types of chemical, media or fluid. Sanitary Tri-Clamp Sizing Guide. FKM Chemical Resistance Guide Fluoroelastomer (FKM) resists over 300 different chemicals. FKM elastomers have many uses in various different part configurations, such as O-rings, U-cups, Lip Seals and gaskets. This data has been compiled by other reputable sources and is to be used solely as a guide in selecting EPDM or determining it's durability and resistance to chemical exposure. * For chemical resistance for MAG 1100/MAG 1100 F (DN10-100) platinium with gold/titanium brazing alloy electrode please also refer to titanium. Our range for FKM compounds is 55 to 90 durometer. Shop our Popular Chemicals Acids Organics Solvents Inorganics Use this rubber chemical resistance chart to make sure that the elastomer or O-ring seal you choose will be compatible with the particular environment. The operating temperatures of the Fluorocarbon Rubber range between -20 C/-4 F and +200 C/+392 F (for a The AFLAS 200 Series offers a good balance of chemical resistance and improved low-temperature performance and is categorized in ASTM D 1418-01 as class FKM, type four. Polypropylene, PEEK, and FKM up to 80 % concentration. High temperature service limits are generally considered to be: 3,000 hr at 232C 1,000 hr at 260C : 1High Resistance 8. (FKM) has excellent resistance to high temperatures, ozone, oxygen, mineral oil . This type or rubber can tolerate moderate heat up to 120C. O-Ring Chemical Compatibility FETFE FKM + PTFE as an internal lubricant Temperature range:-18 to 204 C . ethylene propylene (EPDM), silicone (SI), fluorosilicone (FSI). PVDF is joined by the heat fusion process, threading or anging. With this combination of high thermal stability and excellent chemical resistance, the Kalrez For short working periods it will take even higher temperatures. Seals made of Fluoroprene XP are very impressive with their excellent stability. General properties include excellent resistance to heat, aliphatic and aromatic hydrocarbons, chlorinated solvents and petroleum fluids. Chemical Resistance . Fluoroelastomers have a clear superiority in O-ring sealing force retention The Difference between FPM, FKM and Viton The terms FPM, FKM and Viton very often cause confusion and lead to incorrect interpretations. EPDM: EPDM offers excellent resistance to ozone, sunlight and weathering. NBR is also resistant against tears and abrasive treatment. 8IPEX Chemical Resistance Guide for EPDM & FPM - Valves 1 - High Resistance 2 - Limited Resistance 3 - No Resistance (blank) - Insufficient Data Chemical concentrations are listed at 100% unless otherwise noted. The chemical compatibility of rubber is extremely important as the . Kynar . FPM is the international abbreviation according to DIN/ISO, whereas EPDM EPDM is a terpolymer elastomer made from ethylene-propylene diene monomer. The Chemraz 514 A is a white perfluoroelastomer with the broadest chemical resistance of any elestomeric material. O-Ring Material Chart Interactive Comparison Guide . Compound Compatibility Rating Four different classes of chemical resistance are used in this guide i.e. The AFLAS 200 Series is a terpolymer composed of tetrafluoroethylene, propylene and vinylidene fluoride. Chemical resistance for EPDM and FKM applies to IPEX valves and fittings using EPDM and FKM seals. FKM offers excellent resistance to mineral oils and greases, aliphatic, aromatic and some chlorinated hydrocarbons, fuels, silicone oils and greases. Our products can be exposed to a huge variety of chemicals. Elastomers are typically descried by type or family based on the base polymer used in the formulation. The latest FKM polymers have a much broader fluids resistance profile than standard fluoroelastomers, and are able to withstand strong bases and ketones as well as aromatic hydrocarbons, oils, acids, and steam. B-, GBL-TYPE, 67~68.5% fluorine. It is the most economical choice of elastomer and has excellent all round chemical resistance to acids as well as alkalis, salts, alcohols and oxidizing chemicals. FKM (Fluorocarbon Rubber) Depending on structure and fluorine content FKM materials can differ with regards to their chemical resistance and cold-flexibility. Differences between Viton Properties and EPDM rubber properties: Temperature - Viton temperature resistance ranges from -20 C to 210 C, while EPDM temperature resistance ranges from -45 C to 145 This means that both are excellent for extreme temperatures, but EPDM has a slight edge in colder temperatures, while Viton is better . (FKM) Benzyl Chloride D D A B D D D D A D A Borax (Sodium Borate) B A A B A A A A C B A . All Chemical Resistance data for Ethylene Propylene (EPDM) and Fluorocarbon (FKM) contained within this manual has been provided, with written consent, by Parker Hannifin Corporation. EPDM Gasket Chemical Resistance EPDM has good resistance to nitrogen, potassium and sodium. TFE/P. 100 C (212 F) was chosen as the baseline comparison for the elastomers in this guide. . Post-curing compounds produce a Low Outgassing compound for aerospace applications. TFE/P (aflas) TFE/P has very good electical insullation properties as well as acidic resistance. EPDM seals in solenoid valves are well suited for use with hot water, low pressure steam (130C Max) due to EPDM excellent resistance to heat and offer excellent weather resistance. This guide is intended to provide assistance in determining the suitability of six commercially available elastomers-nitrile (NBR). EPDM / -20 to 300 F. Chemical Resistance Table Chemical or Material Conveyed Butyl CPE EPDM CSM TPC-ET Natural Neoprene Nitrile Nylon SBR TPV PTFE UHMW Urethane FKM XLPE 1 UNDECANOL E E E E E G E 1,4-DIOXANE G G X X X X E X E X X E 1-AMINO-2-PROPANOL E C G G E X 1-AMINOBUTANE X C C X X C X E X X 1-AMINOPENTANE G X G G X C E X Avoid acids, . Performance information for Viton fluoroelastomers and 20 other elastomers. Ethylene Propylene Rubber (EPR, EPDM) EPR copolymer ethylene propylene and ethylene-propylenediene rubber (EPDM) terpolymer are particularly useful when sealing phosphate-ester hydraulic fluids and in brake systems that use fluids having a glycol base. PTFE PFA EPDM NBR Neoprene Ebonite Linatex FKM/FPM PVDF Acetic acid 30% CH3COOH + + + o + + o - + . NOTE: FKM tested to ANSI/NSF 61 with water only.