Fluorosilicone vs fluorocarbon It usually contains 23 to 28 per cent fluorine and can withstand liquids like oils and fuels, essentially combining the inherently good resistance to swelling of Fluorocarbon Rubber (FPM) with the low-temperature flexibility of VMQ. The two main PFAS compounds in the rubber industry are Fluoroelastomer CAS# 64706-30-5 and Fluorosilicone CAS# 68952-02-3. Jan 1, 2015 · To overcome this void in thermal stability, Baradie et al. Fluorocarbon (FVMQ/VITON): FVMQ outperforms SIL in oil/fuel resistance but at a higher cost. Composition and Properties. Marco offers specific compound formulations extending these ranges even futher as can be seen in the following compound comparison chart. Let’s look at the benefits first. Similarly to silicone, fluorosilicone is often molded into o-rings, gaskets, tubing and other seals. It can endure temperatures between -75 degrees F and 400 F. They are essentially the same material, with FVMQ being the technical abbreviation used to describe the polymer structure of fluorosilicone. This material is commonly used to seal leaks, valves, or pumps within the aircraft or automotive Feb 20, 2023 · Oggi, esamineremo fluorosilicone vs silicone, due tipi di gomma che hanno le loro qualità distinte e vari vantaggi. Similar to silicone, fluorosilicone offers excellent stability in extreme temperatures while al Fluorocarbon- 100° to 350°- 73° to 177° Fluorosilicone - 15° to 400°- 26° to 205° Hifluor - 23° to 300°- 32° to 149° Hydrogenated Nitrile - 35° to 225°- 37° to 107° Neoprene - 30° to 250°- 34° to 121° Nitrile (General Service) - 65° to 225°- 55° to 107° Nitrile (Low Temperature) ture range than Fluorocarbon rubbers. Fluorosilicone. Use this chart to make sure your rubber or O-ring seal material is compatible with your environment. Silicone Fluorosilicone (FVMQ), fluorocarbon elastomer (FKM), and silicone (VMQ) are three types of elastomers commonly used in various industries. 8: 1. Apr 11, 2023 · Fluoropolymers and PFAS Publish on April 11 2023 Fluoropolymers and PFAS. applications, fluorosilicone O-rings will allow some gas to permeate through the seal over long periods of time. The current ongoing focus of researchers and regulators into PFAS, which have been used in industry and consumer products since the 1940s because of their useful properties, has prompted concerns about the use and future of Fluoropolymers. Oct 9, 2019 · A comparison between fluorosilicone and silicone in relation to their use in O-rings, gaskets, tubing and seals allow users to choose the best solution for specific applications. O-Ring Material Comparison Guide . Available in nearly any color and hardness. Basic O-Ring chemical resistance compatibility information is based on isolated generic O-Ring material testing in optimal conditions at room temperature and pressure. Jul 4, 2023 · This article aims to highlight the key differences between fluorosilicone, nitrile rubber, and silicone rubber seals, helping readers understand their unique properties and applications. Fluorosilicone has an advantage in lower temperatures and FKM has an advantage in higher temperatures. It is the closest available approach to a universal elastomer for sealing in the use of o-rings and other custom seals over other types of elastomers. Viton® was introduced in 1958 and ever since, scientists and engineers have relied on Chemours Viton® for its superior performance and unique properties. 9. Each of these materials pos-sess other performance properties that differentiate them from one another. Fluorosilicone rubber is often referred to as FSR or, by its technical abbreviation, FVMQ (Fluorosilicone Vinyl Methyl Rubber). It is also not recommended for exposure to brake fluides, hydrazine, or ketones . Temperature Range (dry heat) low. Prima di scegliere quale materiale è appropriato per il tuo progetto, è fondamentale cogliere la differenza tra questi materiali e per quali applicazioni ciascuno è utilizzato. The o-ring material comparison chart below offers a quick reference of o-ring material performance. Dec 11, 2024 · Fluorosilicone is a hybrid material that blends silicone’s flexibility with fluorine’s resistance to fuels, oils, and harsh chemicals. It is also suited for petroleum oils, silicone fluids and gases, acids and some halogenated hydrocarbons, like carbon tetrachloride. Fluorosilicone combines good high and low tempreature stability with fuel and oil resistance of Fluorocarbons. Fluoroelastomers generally have wide chemical resistance. But FKM does not perform as effectively in low temperatures. Composition Combining high temperature resistance with outstanding chemical resistance, Fluorocarbon-based compounds approach the ideal for a universal o-ring material. These properties make them a popular choice for many applications, including aircraft and automotive industries. 6: Elongation at Break May 1, 2025 · Silicone and fluorosilicone are two types of elastomers that are commonly used in a variety of applications. Fluorosilicone Fluoro Elastomers LEGEND A - RECOMMENDED B - MINOR TO MODERATE EFFECT C - MODERATE TO SEVERE U - UNSATISFACTORY BLANK - INSUFFICIENT DATA Acetaldehyde C U A A U C C U C A U U Acetamide U U B A A B B U U B A B Acetic Acid 5% B B A A B A A U B A B A Acetic Acid 30% B B B A B B A A U B A B B Acetic Acid, Hot High Press U U U C U U C Apr 19, 2023 · Fluorosilicone also has excellent resistance to concentrated acids and can resist solvents and other aromatic hydrocarbons. Viton™ is the name given by Chemours (previously DuPont) to their specific brand of FKM. Sep 8, 2018 · Fluorocarbon Rubber (FKM, FPM) Fluorosilicone Rubber (FVMQ) Metric Units US Customary Units. Fluorocarbon Viton®/FKM is an all-round material that is suitable for a number of applications, especially diverse sealing applications involving movement. The ultimate goal was to synthesize a cross-linked fluorosilicone with high O-ring compatibility chart offers guidance on chemical resistance and swell for Viton o-rings, FFKM o-rings, Silicone o-rings, Teflon o-rings and more. The molykote's viscosity is almost a factor of ten lower than the O-lube, but otherwise the only difference seems to be the base. FKM vs. Fluorocarbon vs. 硅橡胶 ： Apr 24, 2023 · Fluoropolymers have distinct physical and chemical properties that should be grouped into “Polymers of Low Concern” (PLC)(1). Fluorosilicone’s distinct resistant properties make it the preferred choice for the aerospace industry, as well as oil and gas applications. It also handles contact with solvents, oil and fuel. Density, g/cm 3: 1. Viton® Composition: Fluorocarbon is a general term for fluoroelastomer materials, while Viton specifically refers to fluoroelastomer compounds developed by Chemours. Each of these materials has its unique characteristics and properties, making them suitable for different applications. It is highly resistant to heat, aggressive chemicals, fuels, oils, solvents, weathering, ozone, radiation, extreme temperatures, and water absorption. The lenses are lighter in weight, and an ultraviolet blocker may be added. The results showed that NuSil’s fluorosilicone molding com-pound, high-temperature fluorosilicone adhesive and the standard fluorosilicone adhesive all demonstrated less than 10% mass change, which is considered minimal when compared to dimethyl silicone materials. Fuorosilicone rubber is a long-lasting stable elastomer with a good compression set resistance. Both materials are well suited for use in the -30 to 180°C range. May 16, 2024 · Understanding fluorosilicone oil’s viscosity, use as a fluorinated silicone, and high temperature silicone oil is essential for maximising its potential in technological advancements and manufacturing processes, whether you’re investigating its use in food-grade or industrial settings. – vs. LM159-70-100°F to +350°F (-73°C to +177°C) Standard fluorosilicone O-ring material LM158-60-100°F to +350°F (-73°C to +177°C) Softer fluorosilicone O-ring material Lower compressive loads than LM159-70 Mar 18, 2023 · Silicone vs Fluorocarbon When it comes to providing expert silicone solutions and rubber products, Jehbco Silicone is leading the way, growing its supply chain at a global scale. FVMQ has better low-temperature flexibility and chemical resistance, though it comes at a higher cost. Benefits of Fluorosilicone Rubber. Understanding Fluorocarbon and Viton® Fluorocarbon, also known as FKM (fluoroelastomer), is a synthetic rubber material recognized for its exceptional chemical resistance and temperature tolerance. Sep 25, 2024 · Fluorosilicone Rubber: Properties and Common Industrial Applications. Oct 16, 2024 · Here we introduce to you how to choose between FVMQ and FKM. Fluorosilicone is frequently employed in the following applications, which frequently take place in extremely severe settings, because of its exceptional resistant qualities. Jul 27, 2021 · Fluorosilicone, also referred to as FVMQ, is a premium elastomer that is commonly applied in the aerospace industry. Fluorocarbon (FKM,FFKM, Viton@) Fluorosilicone (FVMQ, FSI) Polytetrafluoroethylene (PTFE, Teflon@) Acrylonitrile-Butadiene L-NBR, Buna N') Epichlorohydrin (CO, ECO) Polysulfide T, PPS, selected versions Polyurethane (AU, EU, selected versions) Polyester (selected versions) Polyacrylate (ACM) Ethylene- Acrylate (Vamac@) LOW TEMPERATURE SERVICE ONLY O-Ring Chemical Compatibility Guide Reference How O-Ring Materials Perform with Chemicals . That’s because Viton™ is a type of fluoroelastomer (FKM), a category of fluorocarbon-based materials that includes perfluoroelastomers (also called FFKM). As a hybrid of silicone and fluoroelastomer (FKM), fluorosilicone or FMVQ merges silicone’s high and low-temperature stability with FKM’s oil, solvent, and fuel fluorocarbon resistance to offer unmatched stability and compression set resistance. But the cost of fluorosilicone restricts its applications to specialized cases. Fluorosilicone Rubber remains elastic and springy in conditions that would obliterate many comparable materials. [43] synthesized fluorosilicone polymers consisting of a fluorocarbon backbone and siloxane pendant groups, where urethane chemistry was used for grafting; the structure of the polymer is shown in Scheme 6. While they are both made from oxygen, carbon, and hydrogen, they differ in their chemical makeup and properties. high Fluorosilicone has specific resistence to weathering and sunlight, oxidizing chemicals, animal oils, chlorinated solvents, diluted alkalies, diester oils, aliphatic fluorocarbons, aromatic fluorocarbons, toluene, benzene, jet fuels, phosphate esters, dry heat, wide temperature range, ammonia, some acids and some petroleum oils. If you’re designing components that demand precision, durability, and biocompatibility, here’s why Silicone Rubber stands out: Oct 9, 2009 · In particular, I'm comparing Molykote 3452 (fluorosilicone base with ptfe filler) and Parker Super O-Lube (conventional silicone grease). Two primary factors dictate the need for a fluorosilicone: operating environment and/or potential hydrocarbon exposure during aircraft flight, fueling, or maintenance, so consider these characteristics: Resists swelling when exposed to hydrocarbons ; Resists breakdown when subjected to 200°C+ Fluorosilicone has an advantage in lower temperatures and FFKM has an advantage in higher temperatures. fluorocarbon (fkm) Fluorocarbon exhibits resistance to a broader range of chemicals combined with very good high temperature properties more so than any of the other elastomers. Fluorosilicone O-rings may also be exposed to petroleum based oils and/or hydro-carbon fuels. Viton® is a type of Fluorocarbon, but not all Fluorocarbon materials are Viton®. May 30, 2023 · There is currently legislation and regulatory activities ongoing in the US at a state and national level, and in the European Union through REACH to classify fluoroelastomers as PFAS compounds. Silicone is made Fluorosilicone-acrylate lenses. Fluorosilicone is not recommended for dynamic sealing applications. Feb 20, 2023 · Fluorosilicone is an elastomeric material made of fluoroelastomers, combining the characteristics of fluorocarbon and silicone rubbers, not plastic. Sep 13, 2024 · Fluorosilicone. Jan 1, 2013 · Fluoro-inorganic elastomers, such as fluorosilicone [1] and fluorophosphazene [2] elastomers, comprise inorganic monomeric units having fluorinated organic pendant groups. CAS number: 63148-56-1. Fluorosilicone, or FVMQ, combines the temperature resistance of silicone rubber with the chemical resistance of Viton. May 19, 2021 · Fluorosilicone Pros. One unique difference, compared to their dimethylsiloxane counterparts, is the incorpora-tion of a fluorine component attached to the polymer backbone. This article explores the properties of silicone rubber and how it compares to Fluorocarbon, an elastomer based on fluoro-rubber (FKM), also known as Viton (Fluoro Fluorosilicone vs. The ultimate goal was to synthesize a cross-linked fluorosilicone with high Fluorosilicone is designed for static sealing use. Fluorocarbon is a very tough – high tensile strength, tear strength, and abrasion resistance – material that has excellent resistance to gas permeability. Fluorosilicone has an advantage in lower temperatures and Fluorosilicone has an advantage in higher temperatures. Like silicone, fluorosilicone can be injected and compression-molded, extruded, and calendared into o-rings, gaskets, tubing, and other seals. This makes fluorosilicone useful for automotive fuel emission components and aircraft fuel systems. May 1, 2022 · Fluoroelastomer / Fluorocarbon (FMK / Viton™) Fluoroelastomer rubber (Viton) performs well in many different environments such as a variety of oil and petroleum products, high vacuum situations, ozone, weather, high temperatures, and strong acids. Many applications for fluorosilicones are in synthetic oils, gasoline and even extended fuels since its low temperature performance is much better than that of FKM’s. FVMQ has slightly lower tensile Both materials are well suited for use in the -35 to 125°C range. Attribute FKM Viton; Chemical Resistance: Excellent: Excellent: Temperature Range-20°C to 200°C-20°C to 200°C: Hardness Range: 50 to 90 Shore A: 50 to 90 Shore A Fluorosilicone O-rings are popular elastomer seals used in a range of applications. Fluoroelastomers and Viton™ are not the same as fluorosilicone. O-ring compatibility plays a critical role in o-ring performance – find the right material for your application and avoid o-ring failures. Fluorocarbon is able to withstand higher temperatures at 250° C, although Silicone with the addition of heat stabiles and fame retardants, can exceed this and provide temperature ratings of up to 300° C making it an idea for high Jul 24, 2023 · Fluorocarbon rubber, also known as FKM, is a type of synthetic rubber that can withstand high temperatures. Fluoroelastomers vs. Fluorosilicone is recommended for the following applications: Jet fuel systems; Auto fuel emissions control To overcome this void in thermal stability, Baradie et al. Fluorocarbon (FKM) compounds combine high-temperature resistance with excellent chemical resistance. FKM is the preferred material for high-temperature and chemical environments, offering good mechanical properties and oil resistance. Material Properties. View more information on Viton ® O-Rings. elastomers, such as FKM fluorocarbon rubber Diverse applications With successful, effective performance in challenging applications for more than 60 years, SILASTIC™ Fluorosilicone Rubber can enhance component reliability in harsh environments with heat, cold and aggressive fluids: • Automotive components such as seals, O-rings, gaskets, only silicone and fluorocarbon approach or exceed 200 °C. Currently, there are over 13,000 CAS# being looked at. By comparison to other commercial rubber, FKM offers the best fluid resistance of any commercial rubber. . What Is Fluorosilicone Rubber Used For? Fluorosilicone makes several sealing solutions, including gaskets, seals, adhesives, tubings, and o-rings. Genuine Chemours Viton ® – Insist On the Best. The fluorosilicone designed for a Mar 10, 2021 · When to choose a fluorosilicone. Both materials are well suited for use in the -35 to 125°C range. Fluorosilicone Seals: Fluorosilicone seals are a specialized type of rubber seal that combines the properties of both silicone rubber and fluorocarbon rubber. Nov 7, 2024 · 氟硅橡胶（Fluorosilicone Rubber）和硅橡胶（Silicone Rubber）是两种重要的合成橡胶材料，它们在化学结构、物理性能和应用领域上存在显著差异。本文旨在详细对比这两种材料的性能特点，并探讨它们在不同应用领域中的具体应用。 一、化学结构与成分. Silicone Oil Description: Lowest cost highest inventory general purpose commodity NBR compound. The fluorocarbon component greatly increases the oxygen transmissibility of silicone-acrylate material. Fluorosilicone polymers replace one (methyl) Everything you need to know about FKM Rubber, including FKM's properties, its chemical resistances, ideal applications, and more! Fluorosilicone. Silicone elastomers—also known as silicone rubbers—are composed of silicone, carbon, hydrogen, and oxygen. Fluorosilicone vs. Apr 25, 2022 · Fluorosilicone's distinct resistant properties make it the top choice for the aerospace industry, as well as oil and gas applications. O-ring material selection is critically important for the success of your application. Aug 18, 2020 · Fluorocarbon (Viton) When we talk about fluorocarbon O-rings, Viton is a popular trade name that may come into your mind. Feb 17, 2021 · Fluorosilicone’s distinct resistant properties make it the top choice for the aerospace industry, as well as oil and gas applications. This would include fluorocarbon (Viton®, FKM), fluorosilicone (FVMQ), TFE/P (Aflas®) and perfluoroelastomer (FFKM). The newest generation of RGP lenses comprises those that contain some form of fluorocarbon similar to the Teflon used in frying pans. Compare to Parker N1470-70 and N0674-70 and Parco 4200-70 and 4900-70. Nitrile (NBR): NBR excels in oil resistance but falls short in extreme heat. Silicone. Fluorosilicones provide a much wider operational temperature range than fluorocarbon (FKM) elastomers -70°F to 400°F (-57°C to 205°C). Fluorocarbon (Viton™) Fluorosilicone; Liquid Compare FFKM vs FKM (Viton®) o-ring properties, temperature ranges, resistances, and limitations. Primary uses of fluorosilicone O-rings are in fuel systems at temperatures up to +177°C (+350°F) and in applications where the dry-heat resistance of silicone O-rings are required. Fluorosilicone is recommended for the following applications: Jet fuel systems Fluorosilicone rubber is formulated from fluorosilicone polymers that contain a (-Si-O-) repeating group on the polymer backbone. Derived from fluorinated hydrocarbons, it is highly resistant to oils, fuels, acids, and a wide range of chemicals. Fluorosilicone is created by incorporating fluorine into the silicone backbone, resulting in a material that offers exceptional resistance to various harsh chemicals, oils, and fuels. This chart shows the chemical compatibility and resistance of all popular rubber or elastomer materials. One of the main differences between silicone and fluorosilicone is the type of polymer chain they contain. Feb 5, 2020 · Silicone and Fluorocarbon have very similar temperature ratings ranges, however Silicone is generally superior for low temperature applications at -20° C. A fluoroelastomer is a fluorocarbon-based synthetic rubber. Because of its limited physical strength, poor abrasion resistance and high friction characteristics. This group of products exhibits a high retention of tensile properties and exceptional low-temperature flexibility [3] . Popular trade names for fluorosilicone include FE, Elastosil, Silastic FSR and FSE. Nov 8, 2023 · NBR is also resistant against tears and abrasive treatment. wwo jgqvgp uokrp xijq necnfbl vjug fuvcj yroohfeak wdged iidas