https://www.avient.com/news/avient-expands-launch-new-recycled-tpe-grades-asia-support-greater-use-recycled-materials-automotive-vehicles
They also can pass comprehensive xenon and environmental aging tests and show no visual defects, deformation, or stickiness after short-term (6 hours at 100°C) and long-term (500 hours at 90°C) thermal aging.