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. modified plant material
9. pulp (modified plant material)

Anotations

Scope note:

A dispersion of cellulose fibers in water, used as the raw material for paper manufacture. It contains vegetable, mineral, or man-made fibers, and forms a matted or felted sheet on a screen when moisture is removed.