For a thin and flexible version of a sheet, choose film. It is often transparent or translucent due to the thinness.
Offering some of the highest impact strength available in a plastic, UHMW polyethylene also resists abrasion and is tough.
A clear, impact-resistant plastic, polycarbonate is often used as an alternative to glass but is more lightweight.
A highly smooth, strong, moisture-resistant plastic, PET or polyester is often used for insulation, displays, medical equipment, and industrial parts.
Known for its slipperiness as well as its ability to withstand high-temperature and corrosive environments, PTFE is used to make cookware, containers, and pipes.