Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Processes and Techniques (hierarchy name)
4. [processes and techniques by specific type]
5. condition changing (processes)
6. surface or structural changes

Anotations

Scope note:

The mechanism of "chalk" formation in the deterioration of paints or plastic triggered by oxidative degradation of the binder exposing a layer of pigment or filler. The process results in a dry, powdery surface appearance.