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. thermoplastic

Anotations

Scope note:

Amorphous, high-temperature, yellowish or transparent thermoplastic developed in 1982 with a molecular weight of Tg = 215C. Characteristics include resistance to ultraviolet and gamma radiation. May be used as reinforcing fiber or as fire-resistant material in electrical components, jets, and automobiles. Resistant to aliphatic hydrocarbons, alcohols, and dilute bases.