Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. organic material
7. plastic (material)
8. [plastic by property]
9. [plastic by property: thermoplastic or thermoset]
10. polyester (resin)
11. thermoplastic polyester

Anotations

Scope note:

Thermoplastic polymer of the polyester family made by condensing ethylene glycol and terephthalic acid. It is used to make textile fibers, disposable beverage bottles, photographic film, and magnetic recording tape. Polyethylene terephthalate (PET) was the first commercially marketed polyester, sold as Dacron (TM) in the U.S.