R.R. Rubber Enterprise

A **Viton O-ring** is a circular sealing component with a round cross-section, made from **Viton**, which is the trade name for a family of **Fluoroelastomers (FKM)**. It is considered a high-performance, premium seal known for its exceptional resistance to high temperatures and aggressive chemicals.

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##  Key Features and Function

The Viton O-ring performs the standard O-ring function—creating a reliable static or dynamic seal when compressed in a groove. Its value comes entirely from the FKM material properties:

* **Extreme High-Temperature Resistance:** Viton is one of the best elastomers for heat, capable of maintaining its integrity and sealing force in temperatures ranging from approximately **$-20^\circ \text{C}$ up to $+200^\circ \text{C}$** (or even $+250^\circ \text{C}$ for short durations).
* **Broad Chemical Resistance:** It offers superior resistance to a vast array of aggressive media, including:
    * Petroleum-based fuels, oils, and lubricants.
    * Many concentrated acids and strong oxidizing chemicals.
    * Aliphatic and aromatic hydrocarbons.
* **Low Gas Permeability:** Viton seals are very effective at retaining vacuum and preventing the permeation of gases, making them suitable for aerospace and high-vacuum applications.
* **Excellent Environmental Durability:** It resists degradation from **Ozone, UV light, and weathering** better than most standard rubbers (like NBR).

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##  Limitations

While highly resistant, Viton is **not** suitable for use with certain fluids, including:

* Ketones (e.g., Acetone)
* Low molecular weight esters and ethers.
* Hot hydrofluoric or chlorosulfonic acids.
* Brake fluids (non-petroleum based).

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##  Common Applications

Viton O-rings are critical components in harsh and demanding environments where failure of the seal is unacceptable:

* **Aerospace:** Fuel, oil, and hydraulic seals in aircraft.
* **Automotive:** Seals in high-performance engines and complex fuel systems that experience high heat.
* **Chemical Processing:** Sealing pumps, valves, and pipelines handling aggressive chemicals and high temperatures.
* **Industrial:** Seals in refinery and power generation equipment.

Viton (FKM) O-Ring
30 mm ID × 5.7 mm CS | 70 Shore A | Black
This Viton (FKM) O-ring is engineered for reliable sealing in harsh environments where resistance to heat, chemicals, and aggressive fluids is essential. With a 30 mm inside diameter and a 5.7 mm cross-section, it provides a robust sealing profile for medium to heavy-duty applications.
The 70 Shore A hardness offers an ideal balance of flexibility and strength, ensuring excellent compression and long-term sealing performance. Made from premium FKM rubber, this O-ring retains its mechanical properties under extreme temperatures and chemical exposure.
Key Features:
Material: Viton (FKM) fluoroelastomer
Size: 30 mm ID × 5.7 mm cross-section
Hardness: 70 Shore A (medium)
Color: Black
Excellent resistance to oils, fuels, solvents, and chemicals
High temperature resistance (up to ~200–250C, compound dependent)
Low compression set for extended service life
Resistant to ozone, weathering, and aging
Typical Applications:
Chemical processing equipment
Automotive fuel and oil systems
Pumps, valves, and compressors
Hydraulic and pneumatic systems
Industrial machinery and sealing assemblies
This Viton O-ring delivers long-lasting, high-performance sealing in demanding applications, making it a trusted solution for critical systems.

Viton (FKM) High-Performance O-Ring – 12mm ID × 3mm CS | 80 Shore A | Black
This Viton (FKM) high-performance O-ring is engineered for demanding sealing applications that require superior chemical resistance, high-temperature stability, and long service life. With a 12mm inner diameter and 3mm cross-section, it is ideal for compact, high-pressure systems where reliability is critical.
Manufactured from premium FKM elastomer and rated at 80 Shore A hardness, this O-ring offers increased strength and extrusion resistance while maintaining excellent sealing performance in harsh environments.
Key Features
Material: Viton (FKM) fluoroelastomer
Color: Black
Inner Diameter (ID): 12mm
Cross-Section (CS): 3mm
Hardness: 80 Shore A
Excellent resistance to oils, fuels, solvents, and chemicals
Outstanding heat resistance (typically up to +250C)
Low compression set for long-term sealing
High resistance to aging, ozone, and weathering
Typical Applications
Automotive fuel and oil systems
Chemical processing equipment
Hydraulic and pneumatic systems
Pumps, valves, and compressors
High-temperature industrial machinery
This Viton O-ring delivers superior performance where standard rubber seals fail, making it a dependable solution for extreme operating conditions.

Viton (FKM) O-Ring
20 mm ID × 4 mm CS | 75 Shore A | Black
This high-performance Viton (FKM) O-ring is designed for demanding industrial sealing applications where resistance to heat, chemicals, and oils is essential. Manufactured from premium fluoroelastomer (FKM), it offers excellent durability, long service life, and reliable sealing under harsh conditions.
Key Specifications
Material: Viton (FKM) fluoroelastomer
Inner Diameter (ID): 20 mm
Cross-Section (CS): 4 mm
Hardness: 75 Shore A
Color: Black
Features & Benefits
Excellent chemical resistance to fuels, oils, solvents, and acids
High temperature tolerance (typically –20C to +200C)
Low compression set for long-term sealing performance
Superior aging and ozone resistance
High tensile strength and wear resistance
Typical Applications
Automotive fuel systems
Hydraulic and pneumatic equipment
Pumps, valves, and compressors
Chemical processing systems
Industrial machinery and sealing assemblies
This Viton O-ring is ideal for applications requiring a reliable seal in high-temperature or chemically aggressive environments.

Viton (FKM) High-Performance O-Ring
12 mm ID × 3 mm CS | 80 Shore A | Black
This Viton (FKM) O-ring is designed for demanding sealing applications that require exceptional resistance to heat, chemicals, and oils. With an inside diameter of 12 mm and a 3 mm cross-section, it provides a precise fit and reliable sealing performance in compact assemblies.
The 80 Shore A hardness delivers a firmer seal with excellent extrusion resistance, making it ideal for higher-pressure and dynamic applications. Manufactured from premium FKM rubber, this O-ring maintains its mechanical properties in harsh environments where standard elastomers fail.
Key Features:
Material: Viton (FKM) fluoroelastomer
Size: 12 mm ID × 3 mm cross-section
Hardness: 80 Shore A (firm)
Color: Black
Outstanding resistance to oils, fuels, solvents, and chemicals
Excellent heat resistance (up to ~200–250C, compound dependent)
Low compression set for long-term sealing
Resistant to ozone, weathering, and aging
Typical Applications:
Automotive fuel and oil systems
Chemical processing equipment
Pumps, valves, and compressors
Hydraulic and pneumatic systems
Aerospace and industrial machinery
This Viton O-ring offers long service life and dependable sealing in extreme operating conditions, making it a premium choice for critical applications.