Ethanol resistant gasket material We stock a large inventory of non-metallic gasket materials for quick ship. Jul 26, 2019 · What is the best gasket material for gasoline or petroleum-based fuels? Learn about the fuel-resistant gasket material we'd recommend here. Viton is expensive but Oct 23, 2009 · The seal started leakng on my fuel gauge sending unit. View our material compatiblity chart for chemicals ordering any gasket material. Dec 24, 2024 · Nitrile rubber is one of the best materials for gasoline seals. It offers excellent resistance to gasoline even when mixed with ethanol. ) Each has strengths and weaknesses in terms of chemical compatibility. It should not be used with chemicals like acetone, ethanol, and acetic acid. In that blog, we were very cautious about making claims and what we knew and didn’t know about the different Feb 25, 2024 · Silicone materials like the Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker are specifically valued in the automotive sector for their exceptional oil resistance, suitable for use in oil pans and valve covers. Excellent resistance to oils, fuels, lubricants, and most mineral acids. Material Designation General information on chemical resistance Permissible temperatures Neutral fluids long-term°C(°F) Neutral fluids short-term°C(°F) Aggressive fluids long-term°C(°F) Gasket and diaphragm materials Ethylene propylene diene rubber EPDM Good resistance to ozone and weathering. Designed to withstand extreme environments, these fluoroelastomer sealants have excellent resistance to sulfuric acid, hydrochloric acid, nitric acid, gasoline, and oil. What Chemicals are Compatible with PTFE and Teflon®*? PTFE is the most versatile plastic in terms of chemical compatibility Highly resistant to most acids, alcohols, detergents and solvents Ideal for use with reactive and corrosive chemicals The melting point of PTFE 1 is 600°K (327°C / 620°F) Low temperature: maintains high strength, toughness and self-lubrication as low as 5°K (-268°C . Explore the best fuel-resistant gasket materials, like nitrile rubber, for sealing fuels. A general guide for selection of gasketing material, Rev. Same and Next Day Delivery. May 7, 2022 · What constitutes the best gasket material seems to be a never-ending debate, in fact, we’ve discussed this twice already but there’s still a lot of ground to cover. Nitrile rubber gaskets provide excellent resistance against most fuels, oils and grease, making them the ideal for use in automotive & aerospace industries This chart shows the chemical compatibility and resistance of all popular rubber or elastomer materials. When i took it off, the gasket looked like it was made from rubber and all shriveled. like this), just buy a sheet of "gasket material" (practically all are fuel resistant, even the ones used for plumbing), cut it out (you can use hole punches for the holes, makes it way easier), (and perhaps smear it with some copper grease, or probably any grease would be alright here). Check out now! Common Applications Automotive fuel lines and gaskets Industrial machinery fuel tanks Small engine carburetor gaskets FKM (Viton®) 2 – Premium Fuel-Resistant Gasket Material? FKM, commonly known as Viton®, is a top-tier choice for harsh fuel environments. Jun 2, 2025 · Chemical Resistant Gaskets are essential for leak prevention. Nitrile rubber resists fuel and remains flexible even after prolonged exposure. If the application involves water, check with a materials specialist at Hennig Gasket before ordering. It plays an important role for sealing. The guide Nitrile, often referred to as Buna-N or NBR, serves as an ideal rubber gasket material for applications involving oils and solvents. This popular o-ring material family comparison shows basic rubber material family properties and performance plastic properties. Another solid option is Viton, a high-performance synthetic rubber. ACM-materials are mainly used in automotive applications which require special resistance to lubricants containing many additives (incl. sulphur) at high temperatures. Gasket material chemical resistance and compatibility charts. FKM rubber gaskets offer outstanding resistance to gasoline, ethanol blends, biodiesel, and aggressive chemicals at high temperatures Choose from our selection of sheet gasket material, including oil-resistant gasket material, high-temperature gasket material, and more. Alcohol, including ethanol and isopropyl alcohol, is often used as a solvent or cleaning agent, but its interaction with gasket materials like rubber, silicone, or cork can vary Garlock-GRAPH-LOCK-Chemical-Resistance-Guide Apr 19, 2024 · Explore the comprehensive chemical compatibility chart by Walchem, offering valuable information on the compatibility of various chemicals with different materials. Its non-setting, non-hardening character remains tacky even with rapid changes in temperature, enabling repeated assembly and disassembly of Oct 19, 2025 · The question of whether alcohol swells gaskets is a common concern, particularly in industries such as automotive, plumbing, and manufacturing, where gaskets play a critical role in sealing joints and preventing leaks. co. Use this chart to make sure your rubber or O-ring seal material is compatible with your environment. Some of the most frequently used gasket materials are neoprene, nitrile rubber, EPDM, silicone and Viton®. August 2021 Key: A = Suitable - little or no adverse effect If it's an actual gasket (e. Other than the thickness, can anyone give me some advices on how to select the right gasket materials (in terms of pressure and/or temperature, ethanol resistance, paper or rubber or fiber material etc ) for carb, exhaust housing and powerhead etc? Chemical Compatibility Welcome to our chemical compatibility guide. Ethanol & E85 Material Compatibility Materials Reactive to Ethanol and E85 Incompatible Metals: Zinc Brass Lead Incompatible Non-Metallic Materials: Marco Rubber & Plastics is an industry leader in custom sealing solutions that go beyond the limits of catalog commodities. May 21, 2025 · Explore how Durlon® 9000 solved cold flow challenges in ethanol production, offering superior sealing, chemical resistance, and compliance for demanding industrial environments. For high-wear applications, choose a harder sealant for the most abrasion resistance. A pure rubber gasket would displace itself and the mounting bolts/screws likely slacken off over time. Unsatisfactory for oils and fats Special types can be used down to -35 °C/-31 °F. g. Find FKM & EPDM Chemical Compatibility Charts for describing the suitability of miniature fluidic and pneumatic component materials. These sealants are best suited to joints between similar materials that aren't exposed to wide temperature fluctuation. This article discusses different materials and their chemical compatibility, helping you choose the best material for your environment. I had some gasket material that said it was for gad that appears to be cork and rubber. Rubber Chemical Compatibility Chart: Check the chemical compatibility of nitrile Jul 26, 2019 · What is the best gasket material for gasoline or petroleum-based fuels? Learn about the fuel-resistant gasket material we'd recommend here. Use this guide as a reference by selecting the chemical or sealing material you wish to use. Contact Application Engineering for details Saturated Steam service guidelines: Nitrile Rubber gasket material is a good choice for sealing against fuels, oils, and lubricants. This chart shows the chemical compatibility and resistance of all popular rubber or elastomer materials. Product Description Permatex PermaShield Fuel Resistant Gasket Dressing & Flange Sealant is specially formulated for superior fluid resistance. Since 1980, our solutions have delivered reliable, long-lasting success for customers worldwide. CR (Chloroprene Rubber) In general the CR materials show relatively good resistances to ozone, weathering, chemicals and aging. We offer the largest inventory of specialty and standard sealing solutions backed by best-in-class technology, service and support. Jan 9, 2022 · So the nitrile rubber would provide resistance to ethanol (it's used in R9 spec ethanol-compliant hoses) whilst the cork would retain the ability to compress down evenly within itself, between the flanges under light bolt loading. This chart was developed as a quick reference guide for o-ring compatibility, with all information based on isolated material testing in optimal conditions at room temperature and pressure. Chemical Resistance Chart - Elastomers, Phelps is a major manufacturer, fabricator and distributor of Industrial Gaskets, Compression Packing and Sealing Devices Established in 1945 to deliver the best performing fluid sealing products at competitive prices globally. Gasket Compatibility ensures the material won’t degrade when exposed to harsh substances. Last updated on 5/ 20/ 2019 * Binder may be affected but gasket may be used with this media . Contact us for expert technical help on +44 (0)1209 314700 or email: mailbox@ramgaskets. In this short post, we explain which types of rubber elastomers have the best compatibility with oils and fuels. Resistance to degradation by a greater variety of fluids and chemicals than any nonfluorinated elastomer. This rugged material handles pressure well. O-Ring Material Chart - Quick Selection Guide Compare O-Ring Material Use Compatibility Differences O-ring material family chemical compatibility, temperature resistance, and other properties all factor in to o-ring material selection for an application. The materials are used anywhere that gaskets may come into contact with ethanol type fuels, including the oil filter gasket, as blow by will increase the fuel/ethanol concentrations in the crankcase as well as within the fuel system. Neither should it be used outdoors or where temperatures exceed 200 °F. In one of our previous articles, we did a comparison between silicone gaskets, EPDM gaskets, and PTFE gaskets. Learn about their properties, applications, and alternatives. This polyester urethane based gasketing compound withstands extreme temperature changes without hardening. Nov 29, 2011 · I am in the process of rebuilding my 1962 40HP Johnson and plan to make my own gaskets to save $$. (Technically, this last one is a DuPont tradename for fluoroelastomer or FKM as it’s known in the ASTM standards. Particularly suitable aggressiveness for aggressive chemicals. It's imperative that you understand the properties of each seal material and their chemical compatibility if you are attempting to use a polymer in a critical environment. Thinner than non-sagging sealants, these flow easily into cracks and have a smooth finish. I made new gakets out of this material for the sending unit a week Under ambient conditions, pure ethanol is not generally considered corrosive toward most metallic materials; however, as a polar molecule, ethanol will be more susceptible to having compatibility issues with both metals and polymers due to (1) increased polarity relative to gasoline, (2) adsorption of water, and (3) a high solubility parameter What Chemicals are Compatible with Natural Rubber, SBR, GRS, Butyl, EPR, EPT, EPDM, Buna-N, Nitrile, NBR, Neoprene, Hypalon, Polyurethane, Polysulfide, and Silicone? The chemical compatibility of elastomers is crucial since rubber can degrade rapidly if the material is not compatible with the chemicals it touches. uk Chemical compatibility database selector for o-rings materials. Choosing the right material based on chemical and temperature exposure minimizes costly o-ring failures. Stockwell Elastomerics manufactures chemically resistant gaskets using high performance gasket materials for harsh environments. Features of Atlantic Gasket's Custom Nitrile (Buna-N) Rubber Gaskets and Seals: Excellent resistance to oils, solvents, and fuels Good resilience in hot and cold temperature extremes Good abrasion resistance Oct 4, 2021 · A common application for many rubber gaskets is sealing petrol, diesel, oils and greases. mhva7 5jfk ppj 5zw ffs guyi 2tuv8bf 5k mfmf7p z9zwa