Getting to Know: Fluoroelastomer

Trade Names: Viton (E.I. DuPont), Fluorel (3M)

Fluoroelastomer rubber, commonly known as Viton, is a high-performance material that excels in a wide range of environments. It is particularly effective in the presence of various oils, petroleum products, high vacuum conditions, ozone, weather exposure, high temperatures, and strong acids. Due to its exceptional properties, Viton is widely used in sealing applications such as gaskets, O-rings, and pump seals.

Viton offers remarkable resistance to petroleum-based fluids and exhibits a very low compression set, which means it maintains its shape and sealing performance over time. This makes it an ideal choice for handling and transporting chemicals, fuels, and other aggressive substances. Its broad chemical compatibility ensures versatility across multiple industries and applications.

Advantages

Resilience in Harsh Conditions

Viton is a fluoroelastomer renowned for its ability to perform reliably under extreme conditions. It can withstand high temperatures, harsh chemicals, and high-oxygen environments. Its excellent resistance to abrasion and tearing makes it a preferred material for critical components like O-rings and gaskets that are exposed to tough operating conditions. In addition to its mechanical strength, Viton is highly resistant to a wide array of chemicals, making it a popular choice in industries such as automotive, aerospace, and industrial manufacturing.

Oil and Petroleum Resistance

The oil and petroleum industry heavily relies on Viton due to its outstanding resistance to a variety of oils, including crude oil, gasoline, hydraulic fluids, and even vegetable oils. It also performs well with alcohols and many other petroleum-based products. This makes it a reliable choice for sealing systems in pumps, valves, and other equipment that come into contact with these substances.

Disadvantages

Sensitivity to Certain Chemicals

While Viton is highly resistant to most oils and petroleum products, it is not suitable for all chemical environments. It shows limited resistance to solvents such as acetone, methyl ethyl ketone (MEK), and certain organic acids. These substances can cause swelling or degradation of the material, reducing its effectiveness and lifespan. Therefore, it's important to carefully evaluate the chemical environment before selecting Viton for a specific application.

Overall, Viton is a durable and reliable material that delivers excellent performance in demanding conditions. However, understanding its limitations is crucial to ensuring long-term success in any application where it is used.