Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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cellulose film

A transparent film produced from cellulose fibers by a process that involves steeping, shredding, and converting the fibers into a viscose solution, or cellulose xanthate, which is subsequently extruded to convert it into a film. It is made in a limited range of thicknesses, between 0.00085 and 0.0016 inch, and, when rendered moisture resistant, may be used to seal documents, book leaves, etc., for protection. It is a fairly flexible film of considerable strength. (81 )

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