For general-type seals, the optimal viton o-ring temperature range is between -15F and 450F in static applications, though it can withstand service temperatures up to 527F for a short time. High Temperature O-Ring Materials: Perfluorinated (FFKM) up to 600F (316C) Tetrafluoroethylene-Propylene (TFE, AFLAS) up to 450F (232C) Fluorocarbon (FKM, VITON) up to 400F (204C) Fluorosilicone (FMQ, FVMQ) up to 400F (204C) Silicone (VMQ) up to 400F (204C) Viton seals are rendered ineffective at temperatures below 5F, with the material becoming hard and inflexible. The working temperature range is considered to be -26C to +205/230C (-15F to +400/440F). Oil and Viton A-HV Compared to A-700 and A-500 A-HV A-700 A-500 Viton A-HV 97.5 Viton A-700 97.5 Viton A-500 97.5 MT Black (N-990) 30 30 30 Maglite D 3 3 3 Calcium Hydroxide 6 6 6 Viton Curative No. Worry not! Also known as Boss O-rings, these hard Viton fluoroelastomer O-rings are for use in tube fittings with a straight-thread connection. . This helps designers and engineers to balance the fluid resistance and low-temperature flexibility of the final vulcanization. Viton temperature rating Depending on the grade the working temperature range is considered to be -26C to +205/230C (-15F to +400/440F). Viton fluoroelastomer was introduced in 1957 to meet the needs in the aerospace industry for a high-performance sealing elastomer. C) Volume swell after 7 days at room temperature in M15 (%) Best chemical resistance 0-5-10 . . Maximum Temperature. Viton (FKM) Material Temperature Range: Heat Resistance: Up to 212F (100C) with shorter life @ 250F (121C) Cold Flexibility: Depending on individual compound, between -30F and -70F (-34C and -57C). But for short working periods it will take even higher temperatures. Recommended O-ring application service temperature limits for basic polymer types. This is because it simply does the job where other products cannot. Global O-Ring and Seal carries a broad inventory of Viton o-rings, in Standard AS568 and metric sizes. After Hours Service . . . 25 to 450. Type F Viton o-rings, seals, and gaskets are highly resistant to oxygenated automotive fuels, concentrated aqueous inorganic acids, water, and steam. Degrees in Fahrenheit (F ) Degrees in Celsius (C ) Polymer Type. Full operation at 450F will shorten parts' lifetime more than full operation at -15F. Our Office is Closed for the Day. Viton Fluoroelastomers Table 2. Cryogenic fluids also include liquid natural gas, liquid oxygen and helium. In case of eye contact, immediately flush the eyes for at least 15 min with water. Cryogenic orings are most commonly used in the aerospace and oil and gas industries. It has a very low coefficient of friction and and a very wide temperature range, all the way from -200C to 250C. Viton / FKM. Therefore, all containers should be opened and used only in well-ventilated areas. Connect With An Expert Special formulations permit its use in static applications down to -54C. Pros of Viton 'O' Rings Viton O rings are commonly preferred due to the following benefit. In addition to the heat and chemical resistance characteristics typical of Viton FKM o-rings AKA Viton o-rings offer an impressive range of chemical compatibility and high temperature resistance up to 400F, with hundreds of specialty compounds available for specific application performance, making FKM an ideal o-ring material choice in a number of applications. Choosing which Viton product to use for any given application will be determined by the end-use service. Viton fluoroelastomer has expanded to many other industries, especially in the automotive, fluid power, appliance, and chemical fields. Viton o-rings from Marco Rubber offer excellent compatibility with a range of chemicals, oils and resist high temperatures up to 400F. Fractional Width; 1/32 : . Viton seals hold indefinitely at temperatures up to 400F and can last up to 48 hours at temperatures up to 600F. High resistance to chemical corrosion They can withstand a wide range of temperatures 400C to 2500C Low leakage permeability Resistance to ozone and UV degradation They can withstand high compression pressure Suitable for both static and dynamic operations Viton Selection Guide This document from The Chemours Company presents various types of Viton fluoroelastomers (FKM) and associated technical data. Fluorocarbon O-rings should be considered for use in aircraft, automobile and other mechanical devices requiring maximum resistance to elevated temperatures and to many fluids. Since then, the use of . Viton o-rings from allorings.com have great chemical and temperature resistance. Chemical resistance of the various Viton families Low temperature flexibility TR-10 (deg. Chemical resistance/applications It can withstand temperatures from -20-degrees F up to 400-degrees F. The relatively high level of fluorine in FKM materials allows for exceptional resistance to chemical attack, but with limited low temperature capabilities. The use of liquid nitrogen in cryogenic seals is designed to work at temperatures from -196C, while in liquid hydrogen applications up to -254C. All sizes, styles, and durometers available! FKM O-Rings (Fluorocarbon) 90 Durometer Black. Characteristics of Viton O-Rings, Seals & Gaskets. AFLAS. . Cryogenic O-rings - Application. 832-448-5550 | Hours: 8am - 5pm CST, Monday . - 59 to 120. It can take even higher or lower temperatures such as -30C / -45C and +230C, but for short working periods. Global O-Ring and Seal offers an extensive selection of Viton O-Rings, X-Rings, Cord Stock, Oil Seals, and more. ACM O-rings have the ability to withstand temperatures of 150C. Connect With An Expert Viton is generally serviceable in dynamic applications to temperatures of -18 to -23 C. Viton O-Rings 8 Viton O-Ring cord 18 Viton Vulc-O-ring 19 Viton profiles and rubber moulded products 20 ERIKS Viton oil seals 21 Viton sheets 22 . A Viton o ring will tend to be significantly more expensive than the equivalent nitrile component. Find more at: www.globaloring.com Phone: (832) 448-5550 Fax: (832) 448-5551 Viton is one of the best all-round materials available, particularly when used with oils, greases and fuels at high temperatures. VitonF-605C* fluoroelastomer is a new generation incorporated cure "F-family" terpolymer designed for compression and transfer molding of seals, gaskets, and O-rings that require excellent fluids resistance to today's automotive fuels. Traditionally machined from hard billet material and supplied as O-rings, washers or back-up rings (or anti-extrusion rings). The temperature range of Viton (FKM/FPM) is considered to be between -20C and +205C depending on the grade. Popular materials like Kalrez, Viton, and Parker are in-stock, many with same-day shipping. Keep reading to find the best O-ring material out of Viton and Teflon (PTFE). Viton O-rings have excellent resistance to acids, mineral and vegetable oil and greases, fuels, aliphatic, aromatic and chlorinated hydrocarbons, non-flammable hydraulic fluid and several . With over half a century of proven performance, Viton fluoroelastomer has developed a reputation for outstanding performance in high temperature and extremely corrosive environments. Competitive Pricing Whether you need a high-temperature, high-pressure, or chemical-resistance seal, our team is committed to finding the right material at the best possible price for your application. Buna is effective to 250F. Maximum Temperature; 250 to 299 F: 300 to 399 F: 400 to 499 F: Hardness Rating. We sell Parker brand Fluorocarbon/FKM/Viton o-rings! Viton O-Ring Temperature Range. 50 2.5 2.5 2.5 Mooney Scorch, MS at 121 C (250 F) Viton also is known for its excellent chemical resistance, making it a universal o-ring . Viton is also known as FKM made of fluoroelastomer one of the most versatile and widely used sealing materials. Fluorine content of these materials is roughly 70%. Competitive Pricing Whether you need a high-temperature, high-pressure, or chemical-resistance seal, our team is committed to finding the right material at the best possible price for your application. Global O-Ring and Seal offers an extensive selection of Viton O-Rings, X-Rings, and Cord Stock. Hardness Rating; Soft: Medium: Hard: Fractional Width. Are you planning to buy O-rings but not sure which O-ring material is the best? Extended Temperature Range for short term only. For further information regarding Viton O Rings visit our Material Properties page. FKM O-Rings Selection Guide. Find more at: www.GlobalOring.com . Standard Low Temp: -26C (-15F) Standard High Temp: 232C (450F) SPEC SHEET: Viton 75 Durometer. Normal recommended temperature range. Resistance to temperature extremes: HeatViton withstands high temperature and simultaneously retains its good mechanical proper-ties better than most other elastomers. In fact, one Viton o-ring can withstand temperature ranges from -13F to 446F. However, it can effectively seal mechanical objects at low temperatures to -22F. Temperature range: -20F to 400F (-29C to 204C) Standard hardness: 70-75 Shore A; . DuPont Viton even at room temperature. Viton Seal Temperature Range*:-17F (-27C) to 437o F (225C) Specialty formulations, Low Temperature: -67F (-55C) As the fluorine level increases, however, low-temperature flexibility decreases. - 4 to 232. In comparison to nitrile, Viton has a larger operating temperature range, better resistance to degradation from exposure to weather and ozone and is more chemically . Popular materials like Kalrez, Viton, and Parker are in-stock, many with same-day shipping. Fluorocarbon 75 Durometer O-Ring, Low & High Temperature (VM125-75) Fluorocarbon 80 Durometer O-Ring, Base Resistant, RGD, Black (VP306) Viton O-rings have an extremely wide temperature range -50C to +205/230C (-15F to +400/440F) Low compression set and low gas permeability. - 75 to 250. FKM (or Fluorocarbon) works for almost every application. Since some rubber compounds are known to fail in extreme high-temperature environments, Viton is a great candidate for applications working under these circumstances. Order Viton o-rings online today from the world's largest inventory network. High temperature service limits are generally considered to be: 3,000 hr at 232C; 1,000 hr at 260C; 240 hr at 288C; 48 hr at 316C; Cold. An alternative to this is the Polyacrylate or ACM as it is known has resistance against mineral oils as well as engine, gearbox and transmission fluids.
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