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:

Thermoplastic with applications in appliance, automotive, and business machine manufacture, among others. Available in varied grades, ABS consists of discrete , crosslinked rubber particles that are grafted with polystyrene-co-acrylonitrile and embedded in a SAN matrix.