Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by origin]
6. biological material
7. plant material
8. bark (plant material)

Anotations

Scope note:

The lightweight, elastic outer bark the cork oak, species Quercus suber native to the Mediterranean region. Cork is elastic, buoyant, and resilient, used to seal wine bottles, for insulation, floats, acoustical wall covering, flooring, shoe soles, gaskets, and handles.