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Viton O-Rings

A reliable source for Viton O-Rings information and leading Viton O-Rings Companies & Manufacturers.

Viton O-rings are made from a material called Viton, a registered trademark of DuPont. It can also be referred to as FKM. These are mechanical gaskets with a donut shape, made from fluoropolymer elastomer and synthetic rubber. In addition, Viton O-rings are highly resistant to fuels, chemicals, and high temperatures. Read More…

Viton O-Rings Viton O-Rings are O-Rings made of the synthetic rubber Viton, trademarked by the DuPont Performance Elastomers LLC. Viton is the most common flouroelastomer used to produce O-Rings and other applications.
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Leading Manufacturers

Chandler, AZ  |  480-892-7325

Since 1989, we have been an o-ring distributor. We offer commercial, FDA, military, metric o-rings, caps, plugs, gaskets & more. Custom, rubber o-rings, metal o-rings, diaphragms, face seals and non-standard o-rings are also offered.

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Arizona Sealing Devices, Inc. $$$

Naples, FL  |  973-383-2487

A leading o-ring manufacturer of quality metric seals for industries worldwide, defines Allied Metrics Seals & Fasteners. We offer FDA-approved elastomers, Teflon® seals, o-rings & much more. Choose from o-ring sizes, metal & plastic o-rings, o-ring kits, o-ring seals, silicone o-rings, EPDM o-rings, static o-rings, etc. Call/visit our website for more information about our products & services!

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Allied Metrics Seals & Fasteners, Inc. $$$

Santa Fe Springs, CA  |  562-941-4800

RD Rubber Technology Corp is an ISO 9001:2015 / AS9100:2016 certified and ITAR registered company. We offer compression, transfer, injection and Liquid Injection molding, rubber to metal bonding, engineering support, tooling design, machining and more. Our customers rely on us to give them the best possible production o-rings. From aerospace to medical, food processing to military applications we ...

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RD Rubber Technology Corporation $$$

Grand Rapids, MI  |  616-538-4970

Kent Rubber Supply has been a trusted supplier of o-rings since 1946. Focusing in exceeding customer service, we leverage the best equipment and the most knowledge staff to ensure we meet our customers unique needs. With our trusted experts, we determine the best rubber, foam, sponge or PVC material for your specific need. We continue serving customers both offshore and domestic.

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Kent Rubber Supply Co. $$$

Winston-Salem, NC  |  800-868-6198

Hercules OEM is a supplier and distributor of sealing products, including O-Rings, Custom molded rubber components, gaskets, seals, and rubber-to-metal bonded components. Not only do we provide superior products, but we also offer design consulting, coatings, packaging, delivery, and inventory support. Our commitment to quality, innovation, and customer satisfaction make us a preferred choice for ...

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Hercules OEM $$$

Phoenix, AZ  |  602-437-1532

We manufacture custom designed o-rings and distribute for Parker, Dupont Kalrez® and Simrit®. O-ring types: rubber, composite, lathe cut, military, perfluoroelastomer, encapsulated, metal and more. We do customized inventory management programs, kitting, sub-assembly and rapid prototyping.

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State Seal Company $$$

Littleton, MA  |  800-882-3666

Atlantic Rubber, an o-ring manufacturer, can satisfy your needs for quality precision o-rings that meet ASTM, SAE, AMS, AS568, JIS, Metric or other specific requirements. Choose from static o-rings, metal o-rings, o-ring kits, plastic o-rings & more.

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Atlantic Rubber Company, Inc. $$$
placeholder image Arizona Sealing Devices, Inc. Allied Metrics Seals & Fasteners, Inc. RD Rubber Technology Corporation Kent Rubber Supply Co. Hercules OEM State Seal Company Atlantic Rubber Company, Inc.

Viton O-rings are used in static and dynamic applications involving relative motion between parts.They are used in applications that have the possibility of friction. Viton O-rings exhibit chemical resistance and are the most suitable for use in pumps used for agricultural, disinfection, pest control, lawn care sprayers, and mold remediation. This is due to the resistance to hydrocarbons in some of the compounds. These applications are more suited to Viton O-rings because they can withstand sun exposure and other environmental conditions.

Characteristics of Viton O-rings

Viton O-rings exhibit the following characteristics:

  • Excellent acid resistance
  • Fair electrical properties
  • Good abrasion resistance
  • Fair cold resistance
  • Fair water and steam resistance
  • Fair-to-good tear resistance
  • Good impermeability
  • Good chemical resistance
  • Excellent flame resistance
  • Excellent heat resistance
  • Good-to-excellent tensile strength
  • Good-to-excellent set resistance
  • Good-to-excellent dynamic resistance
  • Excellent weather resistance
  • Excellent ozone resistance
  • Excellent oil resistance

Types of Viton O-rings

The various types of viton O-rings include:

Type A Viton O-Rings

These types of Viton O-rings are made from di-polymers of VF2/HFP. They are general-purpose O-rings utilized in the automotive and aerospace industry. Type A Viton O-rings have a composition including 66% fluorine content.

viton o rings

Type B Viton O-Rings

These types of Viton O-rings are made from terpolymers of VF2/HFP/TFE. They are most suitable for use in chemical processing plants as well as power/utility applications. They have a composition that includes 68% fluorine content.

viton o ring

Type F Viton O-Rings

Type F Viton O-rings are highly resistant to concentrated aqueous inorganic acids, steam, water, and oxygenated automotive fuels. These types of Viton O-rings contain a fluorine content of 70%.

Specialized Type Viton O-Rings

These specialized O-rings are copolymers of TFE/propylene and ethylene/TFE/PMVE. They are the most suitable for application in the automotive industry and also for oil exploration, ultra-harsh environments, and sealing requirements.

Applications of Viton O-Rings

Viton O-rings are utilized in very harsh environments where chemical interactions and temperature extremes are common. They are utilized in appliance processing, chemical, and automotive industries. Their use is not only limited to those areas of application but goes further to transportation businesses, petroleum refining, aerospace companies, and oil and gas exploration industries.

Benefits of Viton O-Rings

The benefits of Viton O-rings in industries include:

  • They are the most hard-wearing O-rings.
  • They are high-performance O-rings due to the Viton material and are also very durable, making them the top choice for many different applications.
  • Viton O-rings are incredibly versatile for difficult applications
  • Viton O-rings exhibit high operating temperature ranges and better resistance to degradation when exposed to weather and ozone.
  • They are more chemically resistant and are capable of withstanding a range of chemicals like oils, silicone fluids and gasses, acids, and aromatic and halogenated hydrocarbons.
  • These O-rings are long-lasting, meaning they enjoy extended intervals between services. This, in turn, reduces the costs of maintenance and provides more reliable seals.
  • Viton O-rings overcome most environmental challenges. They can maintain seals even in the presence of UV exposure, ozone, weather, fungus, oxidation, or mold.

Disadvantages of Viton O-Rings

The disadvantages of viton O-rings include:


Viton O-rings are incompatible with ketones, including methyl ethyl ketone, acetone, ester solvents like ethyl acetate, organic acids like acetic acid, and amines.


Viton O-rings are not ideal for every application. For example, under excessively high temperatures, Fluoroelastomers can decompose and release hydrogen fluoride, which is toxic. It is also associated with ongoing irritation of the respiratory tract. At extremely low temperatures, Viton O-rings harden and become inflexible.

Choosing the Correct Viton™ O-Ring Supplier

To ensure you have the most productive outcome when purchasing Viton O-rings from a Viton O-ring supplier, it is important to compare several companies using our directory of Viton O-ring suppliers. Each Viton O-ring supplier has a business profile page highlighting their areas of experience and capabilities, along with a contact form to directly communicate with the supplier for more information or request a quote. Review each Viton O-ring business website using our patented website previewer to quickly learn what each business specializes in. Then, use our simple RFQ form to contact multiple Viton O-ring companies with the same form.

Viton O-Rings Informational Video


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