75 Duro Viton® Cord Stock

Viton® cord stock is a special purpose fluorocarbon-based synthetic rubber that performs extremely well when subjected to high temperatures. It has a high resistance to a broad spectrum of chemicals putting it in a class of seals that can be compounded for very specific applications. The performance of Viton® seals in aggressive chemicals depends on the nature of the base polymer used and the compounding ingredients used for molding the final product. Standard Seals Viton cord stock is most commonly used for O-rings, shaft seals and engine seals.


High Performance Viton® Seals have Chemical Resistance

Our fluorocarbon cord shows very good resistance to gasoline, biodiesel and nitrox gas blends. Due to its unique gas impermeability, Viton cord stock is ideal for automotive fuel applications, aircraft engine seals and SCUBA diving applications. Viton seals have good resistance to swelling and good resistance to the sun’s UV light and the ozone it generates.

When exposed to low temperatures, Viton cord can become quite hard. When this happens, the seals are still serviceable, but not suited to applications needing seals with flexibility at low temperatures. Viton is generally compatible with hydrocarbons, but incompatible with ketones (acetone) and organic acids (acetic acid.)

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