What is the difference between Viton, Silicone, and NBR?

The main difference lies in their specific properties. Viton (FKM) offers the best high-temperature resistance (250°C), chemical resistance, and low compression set (15%), ideal for O-rings, gaskets, and extreme applications. Silicone offers excellent temperature resistance (220°C) and flexibility but low oil resistance, ideal for electrical and medical applications. NBR offers excellent oil resistance and moderate cost but limited temperature (100°C), ideal for general oil applications.

What temperature does Viton rubber withstand?

Viton rubber (FKM) has a wide temperature range: operating temperature in oil of -20°C to 250°C, and operating temperature in air of -20°C to 230°C (depending on formulation). It maintains its mechanical and chemical properties in extreme thermal conditions.

What presentations are available for Viton rubber?

Viton rubber (FKM) is available in multiple presentations: rolls and sheets in different thicknesses, O-rings in a wide range of sizes, custom gaskets and seals, custom gaskets to specifications, profiles and cords for specific applications, and custom cutting for specific projects. Contact us for a personalized quote.

Does Viton rubber have certifications?

Yes. Everest Group's Viton rubber (FKM) has international certifications including ASTM D2240 (Shore A Hardness), ASTM D412 (Tensile Strength and Elongation), ASTM D624 (Tear Resistance), ASTM D1171 (Ozone Resistance), ASTM D395 (Compression Set), and ASTM D471 (Chemical Resistance and Aging). These certifications ensure our Viton meets the highest quality and reliability standards for critical applications.

Viton Rubber (FKM) | 250°C Resistant O-Rings, Gaskets & Seals

Name: Viton Rubber (FKM)
Brand: Everest Group
SKU: VITON-001-EN
Availability: InStock
Rating: 4.9 (47 reviews)

Are your O-rings or gaskets failing due to high temperatures or aggressive chemicals? Viton Rubber (FKM) is the solution. Withstands -20°C to 250°C in oil, 15% max compression set, and exceptional resistance to fuels, acids, and solvents. ASTM certified. Get a quote today!

Viton Rubber (FKM) | 250°C Resistant O-Rings, Gaskets & Seals

Looking for a material that withstands extreme temperatures, aggressive chemicals, and oils without degrading? Viton Rubber (FKM - Fluoroelastomer) is the solution you need. This high-performance elastomer is recognized for its exceptional resistance to extreme temperatures (up to 250°C in oil), aggressive chemicals, oils, and fuels.

With an operating temperature range in oil of -20°C to 250°C and excellent chemical resistance, Viton is the ideal material for O-rings, gaskets, seals, and gasketing where other elastomers would fail under severe conditions. Its low compression set (15% maximum) ensures reliable sealing over the long term in critical applications.

Available in rolls, sheets, O-rings, gaskets, and seals of Viton Rubber (FKM) with ASTM certification. Need a reliable material for extreme conditions? Keep reading to discover all the advantages of our Viton.

Viton Rubber (FKM) in O-rings and gaskets with 250°C and chemical resistance - Everest Group

Viton Rubber (FKM) Properties for O-Rings, Gaskets & Seals

Viton Rubber (FKM) stands out for its unique properties for extreme applications, offering superior performance in O-rings, gaskets, seals, and gasketing:

Exceptional high-temperature resistance up to 250°C in oil: Maintains its mechanical properties and chemical properties in extreme thermal conditions, ideal for engines, turbines, and exhaust systems.
Excellent chemical resistance to acids, alkalis, and aggressive chemicals: Exceptional performance against corrosive chemicals, solvents, and cleaning products per ASTM D471.
Superior resistance to oils, greases, and hydrocarbons: Ideal for fuel systems, transmissions, and petroleum applications where other elastomers degrade quickly.
Excellent ozone and weathering resistance: Crack-free per ASTM D1171, perfect for outdoor applications and adverse weather conditions.
Low compression set (15% maximum): Ensures reliable sealing over the long term in O-ring applications and gaskets, maintaining tightness over time.
Excellent aging resistance: Maintains its physical properties and chemical properties for years of service, reducing maintenance costs and downtime.

These properties make Viton Rubber (FKM) an indispensable material in the aerospace industry, automotive, chemical, oil & gas, and any application requiring maximum reliability in severe conditions.

Technical Data Sheet - Viton Rubber (FKM)

Technical specifications of Viton (FKM) with 250°C resistance, low compression set (15%), and exceptional chemical resistance for O-rings, gaskets, and seals

PHYSICAL PROPERTIES
PARAMETERS	METHOD	SPECIFICATIONS
SHORE A HARDNESS, Points	ASTM-D2240	70 - 75
TENSILE STRENGTH, psi	ASTM-D412	1050 MINIMUM
ELONGATION, %	ASTM-D412	225 MINIMUM
TEAR RESISTANCE, Lb/Inch	ASTM-D624	40 MINIMUM

MECHANICAL & OPERATIONAL PROPERTIES
PARAMETERS	METHOD	SPECIFICATIONS
OZONE RESISTANCE	ASTM-D1171	CRACK-FREE
COMPRESSION SET, %	ASTM-D395	15 MAXIMUM
CHANGE IN TENSILE, %	ASTM-D471	10 MAXIMUM
CHANGE IN ELONGATION, %	ASTM-D471	15 MAXIMUM
CHANGE IN VOLUME, %	ASTM-D471	7 MAXIMUM
OPERATING TEMPERATURE IN OIL, °C	ASTM-D471	-20 TO 250

CHEMICAL RESISTANCE
SUBSTANCES	METHOD	SPECIFICATIONS
GREASES, OILS, HYDROCARBONS	ASTM-D471	EXCELLENT
OZONE, LIGHT, WEATHERING	ASTM-D1171	EXCELLENT
CONCENTRATED ACIDS & ALKALIS	ASTM-D471	EXCELLENT
KETONES & OTHER OXYGENATED	ASTM-D2137	NOT RECOMMENDED

Viton Rubber (FKM) Applications & Limitations

Viton (FKM) with 250°C resistance and 15% compression set is ideal for O-rings, gaskets, seals, and gasketing in engines, turbines, fuel systems, and chemical equipment. Not recommended for ketones (acetone, MEK), esters, ammonia, and oxygenated solvents. Consult our technical team to validate compatibility with your specific application.

Viton Rubber (FKM) Applications by Industry

Discover the sectors where Viton (FKM) is the essential choice for O-rings, gaskets, and seals in extreme conditions

Oil & Gas Industry

Viton (FKM) is ideal for seals in drilling equipment, gaskets for refineries, and components in contact with crude oil, gas, and derivatives at high temperatures.

Automotive Industry

Viton is the preferred choice for engine seals, injector gaskets, gaskets for fuel systems, and under-hood components exposed to high temperatures and oils.

Chemical Industry

Viton (FKM) offers exceptional resistance for reactor gaskets, chemical pump seals, and components in contact with aggressive products and concentrated acids.

Aerospace

Viton is used in components for aviation systems, seals for jet engines, and high-temperature applications where reliability is critical.

Pharmaceutical

Viton (FKM) is ideal for seals in sterilization equipment, gaskets for reactors, and components requiring high purity and chemical resistance.

High Temperature

Viton is the solution for applications in ovens, exhaust systems, turbines, and any environment with extreme temperatures up to 250°C in oil.

More Viton Rubber (FKM) Applications

Viton Rubber (FKM) is also used in hydraulic systems for high-pressure seals, in compressors for oil-resistant gaskets, in fuel pumps for seals, in industrial valves for gaskets, and in process equipment for components exposed to aggressive chemicals. Its high-temperature resistance (250°C), low compression set (15%), and excellent chemical resistance make it the preferred material for critical applications where reliability and safety are priorities.

Viton Rubber (FKM) Advantages | Why Choose It?

Discover why Everest Group's Viton (FKM) is the preferred choice for O-rings, gaskets, and seals in extreme applications

Extreme Temperature Resistance (250°C)

Viton (FKM) operates from -20°C to 250°C in oil, maintaining its mechanical properties and chemical properties in severe thermal conditions where other elastomers fail.

Excellent Chemical Resistance

Exceptional performance with concentrated acids, alkalis, and aggressive chemicals per ASTM D471, ideal for chemical industry, oil & gas, and pharmaceutical.

Superior Oil & Fuel Resistance

Excellent performance with greases, oils, hydrocarbons, and fuels, making it the ideal material for fuel systems, engines, and transmissions.

Excellent Ozone & Weathering Resistance

Crack-free per ASTM D1171, demonstrating excellent durability in outdoor applications and adverse weather conditions.

Low Compression Set (15% Maximum)

Only 15% maximum compression set per ASTM D395, ensuring reliable sealing in O-rings and gaskets over the long term.

Long Service Life & Low Maintenance

Excellent aging resistance and property retention over the long term, reducing maintenance costs and downtime.

Reliability in Critical Applications

Viton Rubber (FKM) from Everest Group combines 250°C resistance, low compression set (15%), and exceptional chemical resistance to deliver superior performance in O-rings, gaskets, seals, and gasketing in engines, turbines, fuel systems, and chemical equipment. ASTM certified, it guarantees safety, durability, and reliability in the most demanding applications.

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Viton vs Other Materials | Performance Comparison

Performance comparison of Viton (FKM) vs Silicone and NBR in extreme conditions of temperature and chemicals

Viton (FKM)

Max Temperature: 250°C

Chemical Resistance: Excellent

Oil Resistance: Excellent

Compression Set: 15%

Cost: Very High

Ideal for: O-rings, gaskets, and seals in extreme applications, high temperatures, and aggressive chemicals.

Silicone

Max Temperature: 220°C

Chemical Resistance: Good

Oil Resistance: Low

Compression Set: Good

Cost: High

Ideal for: High temperatures and electrical applications where there is no exposure to oils or chemicals.

NBR

Max Temperature: 100°C

Chemical Resistance: Good

Oil Resistance: Excellent

Compression Set: Good

Cost: Moderate

Ideal for: General applications with oils where high temperatures or extreme chemical resistance are not required.

Why choose Viton (FKM)? If your application requires high-temperature resistance (up to 250°C), excellent chemical resistance, and low compression set (15%), Viton (FKM) is the best choice. It surpasses Silicone in oil resistance and NBR in temperature and chemical resistance, offering superior performance for O-rings, gaskets, and seals in critical applications. At Everest Group, we advise you to choose the right material for your project. Contact us.

Important Considerations for Viton Rubber (FKM)

Learn about recommended applications and limitations of Viton (FKM) to ensure optimal performance in your project

Viton (FKM) Limitations

Viton (FKM) is NOT recommended for applications with ketones (acetone, MEK), esters, ethers, ammonia, amines, and oxygenated solvents. Consult our technical team to determine compatibility with your specific application.

Recommended Applications

Fuel and oil systems (high temperature)
Aggressive chemical environments (acids, alkalis)
Continuous high temperatures (up to 250°C)
Aerospace applications (engines, turbines)
Oil & gas and chemical industries (refineries, plants)
O-rings and gaskets for critical sealing

Not Recommended Applications

Ketones (acetone, MEK, MIBK)
Esters and ethers (ethyl acetate, THF)
Ammonia and amines (ammonia gas)
Some hydrofluorocarbons (HFC)
Oxygenated solvents (alcohols, glycols)
Strong oxidizing acids (check compatibility)

Need technical support?

At Everest Group, our technical team is available to help you select the right material for your application. Contact us for a personalized consultation.

Need Viton Rubber (FKM) for Your Critical Application?

At Everest Group, we have high-quality Viton (FKM) with 250°C resistance, 15% low compression set, and exceptional chemical resistance. Specialized technical support for O-rings, gaskets, seals, and extreme applications. ASTM certified. Get a quote in 24 hrs!

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Frequently Asked Questions about Viton Rubber (FKM)

Do you have questions about Viton (FKM)? We have compiled the most common questions and their answers to help you choose the right material for your O-rings, gaskets, and extreme applications.

Viton Rubber (FKM - Fluoroelastomer) is a high-performance elastomer with exceptional resistance to extreme temperatures (up to 250°C in oil), aggressive chemicals, oils, and fuels. It is primarily used in O-rings, gaskets, seals, and gasketing for critical applications in the automotive industry, aerospace, oil & gas, and chemical industries where maximum reliability in severe conditions is required.

The main difference between these materials lies in their specific properties:

Viton (FKM): Offers the best high-temperature resistance (250°C), chemical resistance, and low compression set (15%). Ideal for O-rings, gaskets, and extreme applications.
Silicone: Excellent temperature resistance (220°C) and flexibility, but low oil resistance. Ideal for electrical and medical applications.
NBR: Excellent oil resistance and moderate cost, but limited temperature (100°C). Ideal for general applications with oils.

For applications requiring simultaneous resistance to high temperatures, chemicals, and oils, Viton (FKM) is the best choice.

Viton Rubber (FKM) has a wide temperature range:

Operating temperature in oil: -20°C to 250°C
Operating temperature in air: -20°C to 230°C (depending on formulation)

It maintains its mechanical properties and chemical properties in extreme thermal conditions, with maximum changes of 10% in tensile strength and 15% in elongation after 70 hours at 100°C per ASTM D471.

Viton Rubber (FKM) is available in multiple presentations to suit your needs:

Rolls and sheets in different thicknesses
O-rings in a wide range of sizes
Custom gaskets and seals
Gaskets to specifications
Profiles and cords for specific applications
Custom cutting for particular projects

To learn about available options and receive a personalized quote, contact us.

Yes. Everest Group's Viton Rubber (FKM) has international certifications that guarantee its quality and performance:

ASTM D2240 (Shore A Hardness)
ASTM D412 (Tensile Strength and Elongation)
ASTM D624 (Tear Resistance)
ASTM D1171 (Ozone Resistance)
ASTM D395 (Compression Set)
ASTM D471 (Chemical Resistance and Aging)

These certifications ensure our Viton meets the highest quality and reliability standards for critical applications.

Yes. Everest Group ships Viton Rubber (FKM) in rolls, O-rings, and gaskets throughout the United States, Canada, Mexico, Central America, and Spain. Delivery time depends on location and product availability. Contact us for shipping times and costs to your location.