Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by form]
6. [materials by chemical form]
7. compounds (materials)
8. polymers

Anotations

Scope note:

Strong, tough, waxy, nonflammable synthetic resin produced by the polymerization of tetrafluoroethylene; has numerous applications. It is distinguished by its slippery surface, high melting point, and resistance to attack by almost all chemicals.