A trademark of DuPont, 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.
Are Viton seals solvent resistant?
Viton® sealing products are resistant to high temperatures, petroleum products, solvents, and a wide range of chemicals. In general, this material is compatible with hydrocarbons, but incompatible with acetones, ketones, steam, hot water, and organic acids.
What is Viton material used for?
Commonly employed in various gasket, o-ring and other rubber sealing solutions, Viton® has become a reliable material for automotive seals, transportation fuel applications and aerospace seals, pumps and valves.
Is Viton resistant to sodium hydroxide?
Unlike EPDM, Viton has a good resistance to oils, fuels, lubricants, and most mineral acids. … It is resistant to most chemicals, but not to for example Acetic acid, Ammonia, Caustic soda, Formic acid and Potassium hydroxide.Is rubber a chemical resistance?
Welcome to our Rubber Chemical Resistance Chart The chemical compatibility of rubber is extremely important as the rubber can degrade rapidly if the rubber material is not compatible with the environment or media that it comes into contact with.
Is Viton oil resistant?
Environmental Properties: Viton® O-rings and seals have a wide range of chemical resistance (involving mineral acids, fuels, and oils) and this material is also highly resistant to oxidation, UV exposure, fungus, weather, ozone, and mould.
Is Viton ethanol resistant?
Resistance Of Viton FKM Fluorocarbon To Biofuels Tests show that Viton has: 1. Excellent compatibility with fresh and contaminated biodiesel, and with ethanol.
Is Viton suitable for hot water?
Viton also maintains its integrity despite extreme heat, maintaining its properties well over 400°F.Is Viton compatible with hydraulic fluid?
Viton® is compatible with hydrocarbons, lubricating and fuel oil, hydraulic oil, gasoline, kerosene, vegetable oils, alcohol and diluted acids.
Is Viton autoclavable?Compounded from fluorocarbon rubber, VITON O-rings are resistant to harsh autoclave environments as well as a variety of acids, chemicals and oils.
Article first time published onWhat is the chemical structure of Viton?
The Viton A types are comprised of vinylidene fluoride (VF2) and hexafluoropropylene (HFP). The B and F types are made with vinylidene fluoride (VF2), hexafluoro- propylene (HFP), and tetrafluoroethylene (TFE).
What is the difference between FKM and Viton?
FKM is the American standard ASTM short form name for Fluro-Elastomer. … VITON™ is a registered trademark of Du Pont performance elastomers, the original developers of the rubber. However, the Viton is also used as a general name for the material, no matter who the manufacturer is.
Is Buna rubber chemical resistant?
CHEMICALAcetic Acid 30%SBR, GRSBButylBEPR, EPT, EPDMABuna-N, Nitrile, NBRB
What is the difference between Viton and EPDM?
Viton® and EPDM are elastomers that are commonly used for O-rings. … Viton® rubber is a fluoro elastomer, whereas epdm rubber is ethylene-propylene-diene-monomer. The primary differences between Viton® and EPDM is in their chemical resistance and temperature ranges.
Is silicone resistant to chemicals?
Chemical resistance of silicone rubber Silicones are in general, chemically inert and are attacked by only a few common materials. Among them are concentrated sulphuric acid, hydrofluoric acid and under long term exposure, high pressure steam.
Is neoprene resistant to acetone?
While neoprene demonstrates some resistance to acetone, it is not as good as either butyl or latex.
Is Viton compatible with E85?
It is also compatible with brake fluid as well as methanol, pure ethanol, and ethanol blends above E85 (choose Viton for pure petroleum gasoline or pump gas with ethanol below E85). The rubber can withstand constant water temperatures up to 300°F.
What is Kalrez material?
Kalrez® 1050LF is a carbon black-filled product for O-rings, seals, and other parts used in chemical process industries. It has good hot water/steam, and excellent amine resistance. Designed for low-temperature environments where significant chemical resistance is required.
Is Viton good for H2S?
This high hardness fluoroelastomer is appropriate for this application temperature and in this temperature is not degraded by heat or oxidation. In terms of resistance to H2S, this high hardness fluoroelastomer is completely resistant and is not attacked chemically.
Is Viton UV resistant?
Viton® /FKM has a wide chemical resistance range, which makes it ideal for most applications involving oils, fuels, and mineral acids. Viton®/FKM also offers excellent resistance to oxidation, ozone, UV exposure, weather, fungus and mould.
Is Viton resistant to acetone?
A trademark of DuPont, Viton fluoroelastomer in general has a high temperature tolerance and chemical resistance rating. … Do not use Viton with acetone, esters, amines, organic acids, acetic acid, MEK, ethyl acetate, highly polar chemicals, etc.
Is Buna or Viton better?
While both Viton and Buna seals both serve as great sealing options at moderate temperatures, Viton is far superior to Buna for high temperature applications. Viton seals provide an indefinite seal for temperatures up to 400°F, and for temperatures up to 600°F they offer an excellent seal for more than 48 hours.
Is EPDM compatible with Skydrol?
EPDM seals provide compatibility with Type 4 and 5 fluids such as Skydrol®, Fyrquel®, HyJet™ and Pyrogard™ 53 and offer high stability over wide temperature ranges.
Is Buna N compatibility chart?
CompoundAcetic Acid, 30%Nitrile (Buna-N)BEthylene-Propylene (EP)AFluoro- elastomer (Viton)BPTFEA
Is Viton compatible with oxygen?
Liquid oxygen can only be sealed by materials capable of withstanding very low temperatures. … Good gasket materials for gaseous oxygen include neoprene, EPDM, silicone, butyl and Viton® (a DuPont brand name for FKM.)
Is Viton flammable?
Viton™ Curative Nos. 1 (VC-1) and 3 (VC-3) may cause irritation of eyes and skin and may also form flammable dust-air mixtures. They should be kept away from heat, sparks, and flame and only used where equipment is grounded.
Is Viton OK for steam?
Viton Extreme sealing elements exhibit excellent resistance to steam and to attack by an exceptionally broad variety of chemicals and fluids. They can solve the most challenging chemical applications in the pharmaceutical and bio- technology industries.
Is Viton A Teflon?
Viton vs Teflon (PTFE) – Viton offers a greater temperature resistance but falls short of Teflons(PTFE) chemical resistance. Also, Teflon is slightly less thermally resistant but offers much more in the way of non-adhesive properties.
Who makes Viton?
Viton™ is a fluoropolymer elastomer and synthetic rubber compound, trademarked by DuPont under this brand name. It’s a fluorinated hydrocarbon rubber product with amazing capabilities, designed to withstand even the most challenging of environments.
Is EPDM autoclavable?
A standard EPDM will not deliver long term service in an autoclave. Steam service seals, gaskets, and o-rings have traditionally been made of EPDM. However, at temperatures exceeding 100C and in the presence of any oxygen, EPDM seals will fail (see graph at right).
What are Viton rings?
Viton™ o rings. The name Viton is a trademark, a bit like Hoover or Sellotape, and refers to fluorocarbon o rings, or FKM/FPM for short. This material has an excellent tolerance for high temperatures, resistance to oils, fuels and hydraulic fluids as well as aromatics and solvents.
