Key Takeaways PPG TESLIN ENVOS is manufactured at a facility where the company applies purchased renewable electricity credits. Initially, the substrate is available in a 10-mil thickness, with additional options planned for development. The launch further strengthens PPG's circular portfolio, which also includes standard-grade TESLIN substrate and TESLIN Bio substrate. PPG Industries, Inc. (PPG) recently launched TESLIN ENVOS substrate, a synthetic paper designed to deliver improved performance and a lower ...