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 form]
8. ink
9. [ink by composition or origin]

Anotations

Scope note:

A carbon ink made from burning tung oil with a low oxygen component. Originally in the form of a solid, imported to Europe as compressed sticks. Also, fluid consisting of the pigment suspended in a medium such as water combined with a glutinous binder.