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 composition or origin]

Anotations

Scope note:

Matreial made of thermoplastic polymer or copolymer of ethylene, forming a durable, lightweight, resilient, closed-cell material. Often used for packaging fragile goods due to its excellent vibration dampening and insulation properties. It also offers high resistance to chemicals and moisture.