Case Study: Viton® fluoroelastomers offer hot fuel sealing integrity
For more than 40 years, Viton® from DuPont Performance Elastomers has been the fluoroelastomer of choice because of its excellent heat- and oil-resistance.
Application Description
Whenever and wherever fuel resistance and high temperature stability are both required, Viton® fluoroelastomer is the elastomer of choice. An example of applications made of Viton® in modern engines are: intake manifold gaskets, fuel injection seals, fuel pump seals, quick-connect seals, diaphragms and special molded components.
Materials Selected and Why
Viton® fluoroelastomers have excellent heat and oil resistance. They have successfully displaced less thermally and chemically stable materials, but in some cases new aggressive lubricants are beyond the capabilities of standard fluoroelastomers.
DuPont Performance Elastomers has developed new types of Viton® to perform in today's increasingly aggressive sealing environments. With the introduction of two new base-resistant types, the Viton® family of products now provides an even broader range of sealing solutions.
Viton® TBR types offer excellent base resistance, as well as the high-temperature performance and processability of standard FKMs. For applications that require better base resistance than standard FKM but don't require the optimum base resistance of Viton® TBR, Viton® IBR types offer a good balance of performance.
For extremely demanding applications that require better low-temperature performance along with improved base resistance and excellent hydrocarbon resistance, consider specialty types of Viton®, especially Viton® GFLT and Viton® ETP.
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