An acetate salt of cellulose, produced from cotton linters and used in archival work.
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As a photographic film base (often called “safety film” since it is not readily combustible
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In conjunction with an adhesive, such as one of the polyvinyl resins, in laminating, heat sealing, etc.
Cellulose acetate is manufactured in a wide variety of thicknesses, ranging from 0.001 to 0.005 inch, and is clear, hard and glossy.