Viton® Fluoroelastomer Rubber

Product Description

Viton® fluoroelastomer is well known for its excellent resistance to aggressive fuels and chemicals, high heat (400°F/200°C), abrasions and cuts. Viton® also offers superb mechanical properties and can meet many performance specifications. Particularly valued for its excellent heat stability and resistance to aggressive fuels and chemicals, Viton® is the most specified fluoroelastomer for fuel system seals and hoses, O-rings, shaft seals, expansion joints and gaskets. Viton® rubber is good for a broad spectrum of applications in the automotive, chemical processing and industrial markets, including:

  • Chemical resistant gaskets and Viton® seals
  • High temperature Viton® gaskets
  • O-rings
  • Lathe-cut Viton® gaskets and seals

Viton® is a registered trademark of DuPont Performance Elastomers.

Viton® rubber, a specific fluoroelastomer polymer (FPM), was introduced into the aerospace industry in 1957 to fulfill its needs for a high-performance elastomer. Following its introduction, the usage of Viton® spread quickly to other industries including the automotive, appliance, chemical and fluid power industries. Viton® has a strong reputation as a high performance elastomer in very hot and extremely corrosive environments.

Viton® Fluoroelastomer Rubber Sheet


Fluorine Rubber Sheets
Viton Rubber Sheet
FKM Rubber Sheet

FPM Rubber Sheet
Viton Foam/Sponge

FDA Aproved Viton Rubber

Commercial Grade Viton Rubber
Industrial Grade Viton Rubber
Related Viton Rubber


Well known for its excellent heat resistance properties (400°F/200°C), Viton® is the most specified fluoroelastomer available for:

  • Fuel system seals & hoses
  • O-rings
  • Shaft seals
  • Expansion joints and gaskets

Because it can extend the thermal resistance of mid-performance elastomers, Viton® has been used extensively in aggressive automobile fuel systems as well as aircraft and chemical processing environments. Viton® was also the first fluoroelastomer to obtain worldwide ISO 9000 registration.

As a product of DuPont elastomers, Viton® rubber can be processed to meet the performance requirements of many automotive, chemical processing and various other industrial applications.

Viton® Material Properties

Common Names Viton®, Fluro Elastomer, FKM
ASTM D-2000 Classification HK
Military (MIL-STD 417) MIL — R — 25897 & MIL — R - 83248
Chemical Definition Fluorinated Hydrocarbon
General Characteristics  
Durometer Range (Shore A) 60-90
Tensile Range (P.S.I) 500-2000
Elongation (Max %) 300
Compression Set Good
Resilience — Rebound Fair
Abrasion Resistance Good
Tear Resistance Good
Solvent Resistance Excellent
Oil Resistance Excellent
Low Temperature Usage (F°) +10° to -10°
High Temperature Usage (F°) 400° to 600°
Aging Weather — Sunlight Excellent
Adhesion to Metals Good


Viton's® performance reliability under extreme exposure conditions makes it an attractive material to use in many demanding applications. Such performance is a major requisite for parts in the aerospace and aircraft service industries. For example, Viton®O-rings with a service temp. of -45°C to +275°C will also resist the effects of thermal cycling, which are encountered during the rapid ascent and descent of aircraft from the stratosphere.

The high performance properties of Viton® can be seen in many aircraft components including:

  • Radial lip seals used in pumps
  • Manifold gaskets
  • Cap-seals
  • T-Seals
  • O-rings used in line fittings, connectors, valves, pumps, and oil reservoirs
  • Siphon hoses

Additionally, Viton® is the polymer of choice for many of today's advanced fuel and engine systems. Viton's® effectiveness to perform against extremes of heat, chemicals, and fuel mixtures allows it to be used for fuel seals, quick-connect O-rings, head & intake manifold gaskets, fuel injection seals, and advanced fuel hose components.

Advantages of Viton

Temperature Capabilities

Many applications require rubber parts to be stressed by accidental temperature excursions as well as increased operating temperatures to allow for increases in production. In certain instances, Viton® has been known to perform continuously at 204°C and even after short excursions to 315°C. Certain grades of Viton® rubber can also perform equally well in temperatures as low as -40°C.

Resistance to aggressive fluids

Viton® is well known for its ability to perform in a wide range of environments where aggressive fluids are present. By incorporating FPM material, systems can tolerate changes in fluids, allowing for more versatility in a broader range of applications.

Process Purity and Integrity

If FDA compliance is necessary, Timco Rubber has access to certain types of Viton materials that meet FDA requirements for food and pharmaceutical applications.

Compliant with tougher Regulations

As environmental regulations have raised the stakes against emissions, spills and leaks, Viton high performance seals have filled the gap where other elastomers fall short.

Broad Chemical Compatibility

A Quick Comparison

Viton materials are compatible with many important chemicals. Comparing the capabilities of other elastomers to FPM materials like Viton® can be helpful when starting your project or considering a change in materials to increase reliability or to accommodate more severe operating conditions.

Comparison of elastomer properties1
Common Name Neoprene Ethylene Propylene Nitrile Silicone Fluoro-silicone Viton (FPM)
Chemical Compatibility
Lubricating and fuel oils G NR E NR E E
Hydraulic oils G NR E G,F E E
Fireproof hydraulic fluids G E F F NR NR
Vegetable oils, animal fats G,F G,F E E,F E E
Gasoline (high octane) F,NR NR E,G NR E E
Kerosene G NR E NR E E
Aromatic hydrocarbons NR NR G,NR NR G,F E
Aliphatic hydrocarbons G NR E NR G,F E
Alcohols E G E G E,G E
Ketones F,NR E NR NR NR NR
Halogenated solvents NR NR NR NR E,G G
Water (>80°C) F E E E,F E E
Concentrated acids NR NR NR NR F E,G
Diluted acids G,F G F,NR NR F E
Alkalis E,G E G E,G G,F NR

1Data is the published results of tests at DuPont Performance Elastomers and industry sources
Data is presented for use only as a general guide and should not be the sole basis for design decisions.
Key: E=Excellent, G=Good, F=Fair, NR=Not Recommended

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