Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by function]
6. coating (material)
7. [coating by location or context]

Anotations

Scope note:

Medium used in a number of printing processes, such as xerography, to record an image on a support, consisting of fine particles of pigment plus other materials, produced in the form of a dry resinous powder or a liquid.