Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. combination inorganic/organic material
7. composite material

Anotations

Scope note:

Refers to various aggregate materials formed artificially from two or more substances, such as whiting, resin, and size used for modeling ornament in the late 18th century, or plaster of Paris, sawdust, bran, and glue used for dollmaking, or plastic cement-based mortars used in construction.