almost universal chemical resistance of PTFE with the resilience of elastomers. Neoprene -54C to 121C (-65F to 250F) FKM Fluorocarbon -40C to 232C (-40F to 450F) Nitrile -59C to 121 . This is an interactive text searchable document. Ratings of chemical behaviour listed in . Recommend liquid end lush 9. most current chemical resistance guide by scanning the QR Code or searching for "chemical resistance guide" . NBR is also resistant against tears and abrasive treatment. EPDM compresses well and is highly resistant to tears, abrasion and steam. EPDM. P P S a n t o p r en E P D M Ve r si l P V C L D P E F K M S il co ne T an t al u m S i l s S t el Chemical / Solution Lactic Acid A B B A A A A B Guide to Impact of Chemicals on EPDM Rubber This guide will help in assessing the impact different chemicals may have on EPDM rubber. The Difference between FPM, FKM and Viton The terms FPM, FKM and Viton very often cause confusion and lead to incorrect interpretations. 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 Applications of Viton for Rubber Gaskets. Few rubbers can withstand extremely cold temperatures like EPDM. EPDM Rubber. Before permanent installation, test the equipment with the chemicals and under the specific conditions of your application. When coupled . 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 O-Ring Material Chart Interactive Comparison Guide . 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. Chemical Resistance Guide 2 . FKM (Fluorocarbon Rubber) Depending on structure and fluorine content FKM materials can differ with regards to their chemical resistance and cold-flexibility. Quality grades of EPDM Rubber Sheet withstands attack from ozone, oxygen and a range of chemicals and dilute acids and alkalis. FKM materials are either bisphenol-cured or peroxide-cured for better resistance to wet environments. . Kalrez perfluoroelastomer (FFKM) parts withstand attack from more than 1,800 chemicals, solvents and plasmas. FKM Viton Products. Here is the rubber compatibility chart that rates all popular rubber materials that comes into contact with various chemicals. FKM + NBR + HNBR + EPDM + Aflas | TFE/P + FVMQ + VMQ + CR + Industries + Industries; General purpose + Machine construction + Drinking water + 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 : . The data table below is an application guide, and indicates the . These elastomers are specifically designed to be highly resistant to elevated temperatures - 204 C continuous and 300C intermittent and aggressive chemical changes. Viton gaskets were first used in the aerospace industry owing to their fuel resistance and low burning characteristics. Unsatisfactory for oils and fats.-30 (-22) to +130 (+266) Dependant on aggressive-ness of the fluid and on mechanical load. With this combination of high thermal stability and excellent chemical resistance, the Kalrez TFE/P (aflas) TFE/P has very good electical insullation properties as well as acidic resistance. Chemical Compatibility Guide 20887Cvr:Layout 1 5/13/08 7:39 AM Page 2 . SEARCH SEARCH THIS CHEMICAL RESISTANCE GUIDE. 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: FFKM. Seal materials. . PVDF is joined by the thermo-seal fusion process, threading or flanging. Fluoroelastomers were originally introduced over 50 years ago to meet the needs of the aerospace industry for a high-performance elastomer. EPDM . . Sanitary Tri-Clamp Sizing Guide. CHEMICAL RESISTANCE AND FLUID COMPATIBILITY . Compare FKM (Viton) vs EPDM (EPR) o-ring properties, temperature ranges, resistances, and limitations. Our range for FKM compounds is 55 to 90 durometer. (FKM) has excellent resistance to high temperatures, ozone, oxygen, mineral oil . CHEMICAL RESISTANCE GUIDE Thermoplastics: ABS, PVC, CPVC, PE, PEX, PP, PVDF Elastomers: EPDM, FPM (FKM), SBR, BUNA-N (Nitrile) Chemical Resistance Guide. The Kalrez product line delivers outstanding performance in aggressive process environments. Moreover, with the introduction of FDA grades, the uses of FKM have been . This guide is intended to provide assistance in determining the suitability of six commercially available elastomers-nitrile (NBR). TFE/P. The ASTM D2000 designation for fluoroelastomers is HK meaning one of . FKM. Fluorocarbon elastomers are highly fluorinated carbon-based polymers used in applications to resist harsh chemical and ozone attack. Resistance data was taken from Parker's 2008 edition of the Parker O-ring Handbook. O-Ring Chemical Compatibility FETFE FKM + PTFE as an internal lubricant Temperature range:-18 to 204 C . EPDM has excellent weather resistance and is available in a large range of sizes. 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 . Avoid acids, . Disadvantages Performance information for Viton fluoroelastomers and 20 other elastomers. Service temperatures are -5C (25F) to +200C (+400F). Fluorocarbon Viton /FKM is an all-round material that is . Fluorine rubber FKM Chemical properties superior to al other elastomers. However, FKMs shows poor resistance to bases. FKM Chemical Resistance Guide Fluoroelastomer (FKM) resists over 300 different chemicals. EPDM. PVDF is joined by the heat fusion process, threading or anging. The working temperature range is considered to be -26C to +205/230C (-15F to +400/440F). Subject to gas binding - use degassing head. Because DuPont Kalrez has outstanding chemical resistance, it withstands nearly all classes of chemicals. 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. Chemical resistance for EPDM and FKM applies to IPEX valves and fittings using EPDM and FKM seals. The maximum working temperature of EPDM is approximately 120-130 degrees Celsius. EPDM has good abrasion and tear resistance and offers excellent chemical resistance to a variety of Our Flouroelastomer (FKM) database is derived from various polymer suppliers, rubber manufacturers, and reputable industry sources. (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 . NOTE: FKM tested to ANSI/NSF 61 with water only. EPDM has good abrasion and tear resistance and offers excellent chemical resistance to a variety of acids and alkalines. Elastomers are typically descried by type or family based on the base polymer used in the formulation. 3 POLYPROPYLENE PVDF . Here is the rubber compatibility chart that rates all popular rubber materials that comes into contact with various chemicals. Fluoroprene XP is the premium allrounder amongst our quality materials, which unifies the advantages of elastomers particularly cost-effectively. . 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. Compounds of Viton remain substantially elastic indefinitely when exposed to laboratory air oven aging up to 204C or to intermittent exposures up to 316C. Use-specific information, including each materials' compatibility and suitability to work with 1,000 . Now, their application can be found in fluid power, automotive, appliance, and chemical industries. FKM seals display very good resistance to media, ozone and aging. Chemical Resistance . EPDM Good resistance to ozone and weathering. 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. FKM (viton) FKM has excellent rebound as well as weather resistance through a wide range of temperatures. PTFE PFA EPDM NBR Neoprene Ebonite Linatex FKM/FPM PVDF Acetic acid 30% CH3COOH + + + o + + o - + . EPDM / -20 to 300 F. Kynar . With an operating temperature as low as -50 C (with highs of +150 C), EPDM is a solid choice in sub-zero temperatures. The information presented is based on laboratory testing and does not necessarily indicate end product performance. FKM rubber has excellent resistance to heat and chemicals. Any water pipe applications that has high volumes of sodium, or nitrogen, are commonly sealed using EPDM. This type or rubber can tolerate moderate heat up to 120C. EPDM EPDM is a terpolymer elastomer made from ethylene-propylene diene monomer. Polypropylene - A general purpose low cost material having broad chemical resistance for use in a wide variety of chemical applications. ethylene propylene (EPDM), silicone (SI), fluorosilicone (FSI). Chemical Compatibility Guide HIGH-PERFORMANCE MATERIALS Greene, Tweed offers customized-engineered components that optimize . Due to its low taint and taste, and excellent UV resistance, it is often used in water-based external environments. 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. Viton (Fluorocarbon, FKM, FKM AED, FF200) possesses a strong resistance to chemicals and air at high . Fluoroelastomers have a clear superiority in O-ring sealing force retention approach the combination of strength, chemical resistance and working temperatures of PVDF. EPDM Gasket Chemical Resistance EPDM has good resistance to nitrogen, potassium and sodium. Our products can be exposed to a huge variety of chemicals. materials can differ with regards to their chemical resistance and cold-flexibility. It is to be used only as a guide in selecting equipment for appropriate chemical compatibility. : 1High Resistance General properties include excellent resistance to heat, aliphatic and aromatic hydrocarbons, chlorinated solvents and petroleum fluids. FFKM also has improved chemical resistance, with nearly universal chemical compatibility. Seals made of Fluoroprene XP are very impressive with their excellent stability. CHEMICAL COMPATIBILITY GUIDE RATING DESCRIPTION VOLUME CHANGE COMMENTS The Chemraz 514 A is a white perfluoroelastomer with the broadest chemical resistance of any elestomeric material. Shop our Popular Chemicals Acids Organics Solvents Inorganics Polypropylene, PEEK, and FKM up to 80 % concentration. SI, FSI and FKM ratings are generally for room temperature service . 100 C (212 F) was chosen as the baseline comparison for the elastomers in this guide. The operating temperatures of the Fluorocarbon Rubber range between -20 C/-4 F and +200 C/+392 F (for a EPDM Silicone FETFE CAPFE O-Ring Chemical Compatibility 6 Inormation 1-800-223-4524 www.aceglass.com Order High Quality FKM/Viton Brown Cord to match your specific custom needs with the help of our chemical compatibility chart EPR/EPDM Blue (BUNA-N) 20887Txt:43077 5/12/08 8:36 AM Page 2. Fluoroelastomer is the ASTM designation for a high-performance fluorinated synthetic rubber. EPDM is recommended for CIP Sanitizing Agent Oxonia and for ozone treated water applications. Oil and chemical resistance are also essentially unaffected by elevated temperatures. FKM is known especially for its non-flammability, low gas permeability and excellent resistance to ozone, weathering and aging. characteristics. 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. FKM offers excellent resistance to mineral oils and greases, aliphatic, aromatic and some chlorinated hydrocarbons, fuels, silicone oils and greases. EPDM (Ethylene Propylene) Kalrez (Isolast, FFKM) Fluorosilicone (FVMQ) Hydrin (ECO, . Elastomers are long-chain polymers which are capable of cross-linking which is referred to as vulcanization. 0 (+32) to +150 (+302) 0 (+32) to +200 (+392) EPDM cannot be used on petroleum oils. The AFLAS 200 Series is a terpolymer composed of tetrafluoroethylene, propylene and vinylidene fluoride. Fluoroelastomers have great compression, sunlight & ozone resistance as well as low gas absorption rate. B-, GBL-TYPE, 67~68.5% fluorine. Recommend liquid end lushing 10. EPDM EPDM is a terpolymer elastomer made from ethylene-propylene diene monomer. The first commercially available FFKM seal was produced in the late 1960s. The chemical compatibility of rubber is extremely important as the . 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. The blue Fluoroprene XP thus allows material standardization in place of HNBR, EPDM and FKM compounds in applications . . EPDM, EPM- Ethylenepropylene rubber is an elastomer prepared from ethylene and propylene monomers. The material is also stable in fuels as well as petroleum-based oils and greases, along with aliphatic and aromatic hydrocarbons. It also handles low temperatures ok (down to -30C). 8. 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. Standard compounds run 55, 65, 75 and 90, all +/- 5 Shore A durometer points. Fluorocarbon rubber compounds are available as a copolymer (two monomers), terpolymer (three monomers) or as a tetrapolymer (four monomers). Do not use EPDM gaskets for mineral . bination of strength, chemical resistance and working tem-peratures of PVDF. Welcome to our Rubber Chemical Resistance Chart. High temperature service limits are generally considered to be: 3,000 hr at 232C 1,000 hr at 260C EPDM[Ethylene Propylene Diene Monomer] This is a synthetic rubber used as the standard seal material for most valves. Particularly suitable for aggressive chemicals. resistance of the specific thermoplastics we use in the construction of our products, to common chemicals. FKM is known especially for its non-flammability, low gas permeability and excellent resistance to ozone, weathering and aging. Compound Compatibility Rating Four different classes of chemical resistance are used in this guide i.e. EPDM - EPDM has good abrasion and tear resistance and ofers . . . FPM is the international abbreviation according to DIN/ISO, whereas 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. EPDM (Ethylene - Propylene - Diene Monomer), FKM (Fluorine Rubber, Viton), PTFE (Teflon) and NBR (Nitrile butadiene rubber or nitrile rubber) are the most commonly used seal materials .EPDM is recommended for (hot) water, FKM is usually recommended for (compressed) air, oils and fuels. In 1975 a new fluoroelastomer family was introduced by Asahi Glass Co., FEPM, based on an alternating copolymer of TFE and propylene. FKM elastomers have many uses in various different part configurations, such as O-rings, U-cups, Lip Seals and gaskets. DANGER Variations in chemical behavior during handling due to factors such as temperature, pressure, and concentrations can cause equipment to fail, even though it passed an initial test. The information in this chart has been supplied to Polymax by other reputable sources and is to be used ONLY as a guide in selecting equipment for appropriate chemical compatibility. The data given should be used cautiously, and as a guide only. All of these designations actually stand for one single base material:fluoro rubber. 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. EPDM: EPDM offers excellent resistance to ozone, sunlight and weathering. The vulcanization process cross-links the polymer chains via chemical bonds creating the elastic or "rubbery or memory properties". The chemical name for this EPDM rubber is Ethylene Propylene Diene Monomer rubber. properties such as high chemical resistance, wide application temperature range, good UV resistance (i.e. * For chemical resistance for MAG 1100/MAG 1100 F (DN10-100) platinium with gold/titanium brazing alloy electrode please also refer to titanium. CHEMICAL COMPATIBILITY CHART . 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. Post-curing compounds produce a Low Outgassing compound for aerospace applications. It covers all the most common grades of rubber and lists their compatibility with over 500 different types of chemical, media or fluid. Type a keyword into the]j B ~z Wn 9,Vu%zat j ` The online Viton Chemical Resistance Guide provides basic information about elastomers and the properties that are important to consider when selecting them. All of our Fluoroelastomer (FKM) products are manufactured with 100% virgin FKM Fluoroelastomer polymer sourced from the world's leading manufacturers. Key to General Chemical Resistance [all data is based on ambient or room temperature, about 64F (18C) to 73F (23C)] . vinylidene fluoride based . To help you identify the best rubber material for your seal, we've published this Rubber Chemical Compatibility and Resistance Guide. 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. 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. NBR is a synthetic polymer and suitable for neutral liquids such as water or hydraulic oil at . 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. The operating SERIOUS INJURY MAY RESULT Use suitable guards and/or personal protections when handling chemicals. It is recommended that users of DICHTOMATIK products conduct their own evaluations to determine suitability for the intended application.
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