Description
The outer trim of a car’s B-pillar is a very demanding part, both technically and aesthetically. It usually has two components, combining ABS or ABS/PC with polymethylmethacrylate (PMMA). We use ABS or ABS/PC to provide the structural part needed for attachment to the pillar, which requires high temperature and impact resistance.
PMMA allows us to achieve a high-gloss finish on the outside, as well as offering protection against ultraviolet radiation and environmental conditions. In addition to these properties, the ABS or ABS/PC selected must offer good processing, excellent surface quality and compatibility with the PMMA.
Recommended ELIX grades
One of the ELIX ABS high heat grades with a Vicat B50 of 108 °C is used in this application by 2K injection moulding of ABS and PMMA, resulting in parts with excellent surface quality.
Grade chosen for this application because of its high thermal resistance, as well as its low density compared to PC/ABS. Another advantage is its high impact resistance and excellent results in impact tests.
PC-modified ABS is another material recommended for this application thanks to its high stiffness and impact resistance, together with strong thermal resistance.
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We developed ABS 3095PG, a material with improved metal adhesion for complex chrome-plated parts, meeting the high standards demanded by OEMs.
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