https://www.avient.com/news/avient-launches-non-pfas-process-aid-extrusion-applications-npe-2024
Traditionally, process aids for extrusion often contain fluoropolymers which may be classifiable as per- and polyfluorinated substances (PFAS), a group of chemicals widely used in various products to impart properties such as resistance to heat, oil, stain, and water.
https://www.avient.com/news/avient-expands-launch-new-recycled-tpe-grades-asia-support-greater-use-recycled-materials-automotive-vehicles
These new grades of TPEs, launched earlier this year in Europe, contain 25%-55% post-consumer recycle (PCR) content, complement the existing offering of PCR-based products for polypropylene (PP) overmolding, and are specially developed for automotive interior applications such as mats, grips, and console trays.