Additive replaces talc in filled PP auto parts, helps them lighten up

04/25/2012

Automobiles will remain on a forced diet for the foreseeable future opening up opportunities for a variety of suppliers to help cars lighten up. Among those entering the fray is additive supplier Milliken Chemical, which touted what it calls a synthetic reinforcing agent at NPE2012, saying the product can replace talc in filled polypropylene automotive interior applications, helping a door panel at the show shed 10% of its weight.

Visitors to Milliken's NPE booth were greeted by three injection molded TPO door panels, each one lighter than the next, thanks to the replacement of talc with Hyperform HPR 803i.

The first panel, which was 20% talc filled, weighed in at 1693g, while the final and lightest panel, weighing in at 1543g, had only 9% talc, with that filler replaced by Hyperform HPR 803i, cutting the part's weight by almost 10%....
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