Celanese Corporation

DuPont Teijin Films™ is a world-leading manufacturer of high-performance Polyethylene Terephthalate (PET) and Polyethylene Naphthalate (PEN) films. With a focus on our customer's success, we apply industry leading technical capability and market knowledge to meet the global and regional needs of those customers that value innovative and high quality films.

We are a global joint venture partnership between DuPont and Teijin. Brand names include Mylar®, Melinex®, and Teijin® Tetoron® PET polyester film, and Teonex® PEN polyester film.