Hierarchy classification:

1. top of the aat hierarchies
2. Brand Names Facet
3. Brand Names (hierarchy name)
4. brand name materials

Anotations

Scope note:

A registered trademark for a series of products made from a patented plastic barrier film. It is composed of a polymer matrix to which copper particles are bonded forming a reactive film that neutralizes all corrosive gases from passing through, neutralizes contaminants, blocks ozone and retards bacteria production. In conservation, can also be used to slow the degradation of cellulose acetate.