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. paint (coating)
9. [paint by composition or origin]
10. synthetic resin paint
11. acrylic paint

Anotations

Scope note:

The first commercially available acrylic paint. It was prepared from pigments suspended in a solution of n-butyl methacrylate resin and solvent, developed by Leonard Bocour and Sam Golden in the mid-1940s. Magna could be diluted with turpentine or mineral spirits, had a fast drying time. and could be combined with oil paints. It dried to a hard, matte film. Manufacture of this paint ended in the 1970s.