Viton® Viton®* Chemical Compatibility Chart: Check the chemical compatibility of Viton® with various chemicals, solvents, alcohols and other products. Viton fluoroelastomer in general has a high temperature tolerance and chemical resistance rating. It is a synthetic rubber that resists many hydrocarbons, biodiesel, and petro chemicals, but is NOT compatible with ketones. Do …
The most common compounds are Viton A, Viton B, Viton F, Viton B70, Viton GLT, Viton GFLT and Viton ETP. The most significant differences in compounds is the percentage of fluorine content and the curing system used to cure the Viton into its stable shape. Viton materials are compounded polymers and have excellent resistance to petroleum product, with low …
14/11/2017· VITON B Viton B is a fluoroelastomer terpolymer of the “B- family” from DuPont Dow Elastomers. It has better fluid resistance, and retains flexibility better after dry heat aging than polymers of the Viton A family. It is recommended for appliions requiring maximum retention of elastic properties coined with good mechanical properties. A low viscosity …
VITON . Our products can be exposed to a huge variety of chemicals. The data table below is an appliion guide, and indies the . resistance of the specific thermoplastics we use in the construction of our products, to common chemicals. The data given should be used cautiously, and as a guide only. Various factors such as concentration, additives, exposure time, …
Viton FKM is DuPont-Dow Elastomer’s trade name for fluorocarbon elastomers. Fluorocarbon elastomers exhibit excellent resistance to high temperature and low compression set. They respond very well with resistance to ozone, high temperatures, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics and many organic solvents and chemicals over a temperature …
Products made with Viton™ fluoroelastomers retain their flexibility, shape, and seal when exposed to chemicals and high temperatures. Viton™ FreeFlow™ extrusion process aids also improve processing, increase output, and reduce waste. Featured Industries. Demanding environments require components that can perform without downtime or breakdown.
Viton® B is a grade of fluoroelastomer terpolymers, that is they are polymerized from three monomers, vinylidene (VF2), hexafluoropropylene (HFP), and tetrafluoroethylene (TFE). Viton® B fluoroelastomers offer better fluid resistance than A type fluoroelastomer. There is a full range of Viton® B grades that accommodate a variety of manufacturing processes including injection …
Viton A, is the easiest processing (i.e., extrusion, calendering) of the three, and is particularly good for use in highly extended stocks. Viton A-HV is a high-viscosity analog of Viton A and gives vulcanizates having the highest tensile strength and best resistance to compression set. Handling Precautions Using recommended handling procedures
Viton® GFLT-S 1.8 6.5 14 — Viton® B 0.7 4.1 12 — Viton® GF-S 0.7 1.1 3.0 7 1 Average permeation rate for ASTM Standard (g x mm) (m2 x days). 2 Mathematically normalized to 1 mm thickness using data from tests described in ASTM E96-53T. Permeation resistance to reduce emissions In addition to its characteristic resistance to aggressive fluids and high temperature, …
FKM is a family of fluorocarbon-based fluoroelastomer materials defined by the ASTM International standard D1418, while it is called FPM by ISO 1629 (both first ed. 1995 and ed. 2013). It is commonly called fluorine rubber or fluoro-rubber.All FKMs contain vinylidene fluoride as a monomer.Originally developed by DuPont (under the brand name Viton, now owned by …
4x47 metric o-ring viton b-type 45 duro black cs: 4.00mm (0.157 in) id: 47.00mm (1.85 in)
Viton B . Viton® B (FKPB) is widely used for food packaging appliions due to its enhanced barrier properties over Viton® A, resulting from higher carbonyl groups on the polymer chains. The precursors for Viton® B are the organo-modified polymers of tetrafluoroethylene (TFE) and hexafluoropropylene (HFP). The most common precursor is an ethylene-tetrafluoroethylene …
Viton® B has better resistance and retains flexibility better after dry heat aging than Viton® A. It is recommended with good mechanical properties. Viton® B is specified by the Fluid Sealing Association to resist sulfur dioxide in power generating factory systems. Viton® B offers superior resistance to both diluted and concentrated aggressive acids, and various mineral acids …
Viton™ B fluoroelastomer is a B-type gum polymer that is composed of hexafluoropropylene (HFP), vinylidene fluoride (VF₂), and tetrafluoroethylene (TFP) with 68.5% fluorine content. Viton™ B is featured with a higher viscosity compared to other B-type gum polymers and is best suited for compression molding appliions. Viton™ B provides excellent resistance to fluids …
Viton ® product B F GBL-S GF-S ETP-S BEST Chemical resistance* * Curing system bisphenol bisphenol peroxide peroxide low low low high Relative cost of polymer Compression set resistance Low temperature properties Base resistance BEST Fluorine content 68.5% 70% 67.5% 66% BEST Excellent Very good Good Fair Poor “S” indies products made with Advanced …
Furthermore, Viton B™ can work up to 205°C without interruption and temporarily at higher peak temperatures. BBV Tech Viton B™ expansion joints are made available by BBV Tech both with horizontal flanges (belt type expansion joint) and with vertical flanges (integrally flanged expansion joint) and made with closed rings or open with free ends for on-site vulcanization. …
Viton Fluoroelastomer materials and manufacturing processes vary widely. Cheaper seals could cost you far more in the long run. Viton® fluoroelastomer (FKM or FPM) from Chemours™ is known for its heat resistance (400°F/200°C) and broad chemical compatibility. Resistance to aggressive fuels, solvents and chemicals makes it popular with manufacturers of packaging …
10/5/2016· There are four families of Viton® polymers, and the fluorine content of these most popular Viton® grades varies between 66 and 70%. The main grades are A (Dipolymers of VF2/HFP), which has a fluorine content of 66%; B (Terpolymers of VF2/HFP/TFE), which commonly used for seals or gaskets and contains 68% fluorine; F (Terpolymers of …
30/5/2019· Viton seals are rendered ineffective at temperatures below 5°F, with the material becoming hard and inflexible. Environmental conditions also differentiate the appliion of Buna vs. Viton for sealing options. Viton offers universal chemical resistance for sealing appliions for oils, fuels, and mineral acids. Its weatherability and resistance to mold and fungus, …
When not in stock most custom Viton O-Rings can be made in a few weeks without tooling fees. FKM and Viton material types for high temperature seals and chemical resistant gaskets include the following specific types: A, B, F, GLT, GFLT, XLT, ULT, ETP, TBR. View the chart below or contact our experts to learn which is best for your appliion.
Viton™ B-type family products can be blended with other Viton™ fluoroelastomer types to modify viscosity, enhance processability, and improve flow. The product is offered in two grades: Viton™ B-202. Viton™ B-600. The “2” versus “6” is based on a measure of the polymer’s viscosity, which determines rubber processability.
The resilience of Viton (registered) B O-rings was measured as a function of initial 17% and 23% compression, time under compression up to 3 years, test temperatures of 60 deg F …
5/2/2016· Viton® is a registered trade mark of Du Pont Dow Elastomers. This entry was posted in Viton - O-rings, EPDM - O-rings, O-rings on 5th February 2016 by cameron. Next Post → Leave a Reply. Name * Email * Website. Comment * Leave a comment. Search. Search. Recent Posts. Buyers Guide to Oil Seals, Lip Seals and Rotary Shaft Seals; Shubh Deepawali 2019; …
5/2/2016· As Viton® properties are quite different from nitrile rubber properties. It is crucial to consider the pros and cons of both materials, specifically in the context of their appliion. You can also consult our chemical compatibility guides or call Polymax on 01420 472000 for more information. *Viton® is a registered trade mark of Du Pont Dow Elastomers . This entry was …
12/4/2019· Viton® B. Viton® B is a terpolymer, i.e. polymerized from three monomers – vinylidene (VF2), hexafluoropropylene (HFP), and tetrafluoroethylene (TFE). This material is primarily used in chemical processing, power industries, and utilities. Viton® F. Viton® F is also a terpolymer, polymerized from three monomers – vinyl fluoride (VF2), hexafluoropropylene …
including Viton A-331C, A-361C, B-201C, B-601C, and B-651C. A brief description of all these products can be found in Table 6. In 1976, efficient peroxide curing of fluoroelastomers was made possible for the first time with the introduc-tion of Viton GLT. The peroxide cure system provides fast cure rates and excellent physical properties in polymers such as GLT and GFLT, which …
Viton® B has better resistance and retains flexibility better after dry heat aging than Viton® A. It is recommended for appliions requiring maximum retention of elastic properties coined with good mechanical properties. Viton® B is specified by the FSA to resist sulfur dioxide in power generating factory systems. Chemical Resistance: Viton® B offers superior resistance to both …
Family and Type Of DuPont™ Viton ® Fluoroelastomer A B F GB GF GLT GFLT ETP Cure System Bisphenol Peroxide Aliphatic hydrocarbons, process fluids, chemicals 1 1 1 1 1 1 1 1 Aromatic hydrocarbons (toluene, etc.), process fluids, chemicals 2 1 1 1 1 2 1 1 Automotive and aviation fuels (pure hydrocarbons—no alcohol) 1 1 1 1 1 1 1 1 Automotive fuels containing …
Viton B samples were found to relax faster in JP-4 fuel and gave lower activation energy of degradation than those relaxing in air (Figure 3, No. 6) Conclusions The results of these experiments permit the following conclusions: (1) The fluorocarbon rubber, uncured Viton B gum, loses HF when heated in air, inert atmosphere (N2), and vacuum to give both conjugated …
Viton® B-601C* is an incorporated cure “B-family ” polymer that demonstrates improved processing properties when compared to older “B-family” terpoly-mer fluoroelastomers. The improved properties provide excellent compound flow in molding (compression, injection, transfer) parts where the heat and fluid characteristics of a “B-family” Viton ® are needed. Compared …