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Elastolit Makes Thin Lightweight Components in Vehicles

Auto News - Published on Fri, 20 Sep 2019

Image Source: https://www.autocarpro.in
In a joint project, BASF and STR Automotive have brought components for premium vehicles into serial production for the first time using the new material Elastolit R 8819 Lightweight. In comparison to conventional processing with PU-RRIM materials, the new process convinces due to significant weight reduction. The usual component thickness of 3.0 mm can be reduced to less than 2.5 mm, without detrimental effects on processing, quality or mechanical properties.

Front and rear bumpers of small car series are usually produced from polyurethane systems with short-fiber reinforcement with a wall thickness of 3.0 mm. Attempts to lower the weight by reducing the component thickness or using a special filler combination and an associated lower material density failed due to insufficient mechanical properties such as mechanical strength, stiffness and impact strength. This process also could not pass the climate change test.

In an intensive exchange between BASF and STR Automotive, a technological solution to the problem has been found, which is based on a high modulus PU basic material with high temperature resistance, stiffness and very good impact strength.

Mr Jurgen Schneider from Technical Development at BASF Polyurethanes GmbH in Lemförde said that “The improved performance of the matrix material allows the designer to create a noticeably thinner component, without having to accept limitations in quality.”

Source :

Posted By : Mohan Sharma on Fri, 20 Sep 2019
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