https://www.avient.com/news/avient-features-tpes-food-contact-and-sustainability-cekexpo-2020
Overmolded TPEs can be injection overmolded directly onto a substrate including PP, PC/ABS, Tritan, COPE, and others without bisphenol A (BPA), phthalates, or heavy metals.
https://www.avient.com/knowledge-base/article/exploring-world-fluoropolymers
2 Sina Ebnesajjad, “Introduction to Fluoropolymers,” Applied Plastics Engineering Handbook (Elsevier, 2011) pp 49-60.