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11-26-2014

Vestamid Polyamides for Pipings

When Things Heat up in the Engine Compartment

Temperature loads in the engine compartments of vehicles have been rising steeply over recent years. Evonik Industries AG in Marl, Germany, have constantly improved their Vestamid polyamides for pipings to make them withstand such loads. To complement their portfolio, the company just presented a new high-temperature polyamide that features outstanding resistance to long-term service temperature.

Pipes made of a newly developed high-temperature resistant polyamide can substitute rubber pipes in enclosed engine compartments to save space and weight (figure: Evonik)

Lightweight construction is one of the major challenges in automotive construction – one kilogram less of weight means reduced fuel consumption and emissions. Designers prefer plastics as a lightweight material. However, these materials need to be adapted to the increased temperature requirements in the engine compartment. Evonik had developed an extrusion compound before, i. e. Vestamid EX9350, which fulfilled these requirements in a test carried out under racing conditions in 2013. As compared to Vestamid EX9350, pipes from the newly developed extrusion compound showed a resistance twice as high, when submitted to testing at 150 °C. The new Vestamid compound can be processed on the usual extrusion plants.

Pipes made of Vestamid extrusion compound are lighter than those of rubber. They can be installed more densely, thus requiring less space, and can be linked in an easy and safe way via a plug-in coupling with a "fir tree" profile.

Translated from Kunststoffe 11/2014, p. 12.

Company profile

Evonik Industries AG

Kirschenallee
DE 64293 Darmstadt
Tel.: 06151 18-01
Fax: 06151 18-02

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