Polyethylene terephthalate

Polyethylene terephthalate (or poly(ethylene terephthalate), PET, PETE, or the obsolete PETP or PET-P) is the most common thermoplastic polymer resin of the polyester family and is used in fibres for clothing, containers for liquids and foods, and thermoformed parts for manufacturing, and in combination with glass fibre for engineering resins. In 2025, annual global production of PET was 31 million tons with 2031 projections showing over 40 million tons.

Source: Wikipedia — Polyethylene terephthalate (CC BY-SA 4.0)