Browse Publications Technical Papers 2000-01-0745
2000-03-06

New FKM Developments for Automotive Powertrain Applications 2000-01-0745

Prevailing trends in automotive powertrain applications are pushing current elastomeric seal materials to their limits. These trends include the push towards higher temperatures under the hood; longer warranties up to 100,000 - 150,000 miles and 10 - 15 years; and increasingly more stringent environmental regulations. These trends are combined with an expanded use of fluids containing additives that are more aggressive towards elastomeric materials, and the use of low viscosity fluids for improved low temperature performance in automatic transmission and hydraulic fluids. In this presentation traditional fluoroelastomer compounds used in automotive powertrain sealing applications will be compared to several new specialty types of fluoroelastomers that are designed to help both the end user and rubber part manufacturers solve difficult sealing problems. Specifically, fluoroelastomer polymers, with both improved low temperature properties and fluid resistance will be reviewed.

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