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Polyester sleeves, acid-free folders, and pH buffered document boxes are common supportive protective enclosures whose selection must match the media's chemical and physical properties. [1] Other considerations in preserving paper/books are: Damaging light, particularly UV light, which fades and destroys media over time by breaking down the ...
Manuscripts and paper documents are often stored in protective archival-quality boxes and folders, made of acid-free and lignin-free materials. [52] Documents with heavy use may be stored or encapsulated in a clear polyester (Mylar) film sleeve or folder.
The company Hercules Incorporated developed the first alkaline sizing in the 1950s that made acid-free paper possible. [10] Despite the advances in paper making and the identification of and concern around the brittle book problem, it took decades before the adoption of ANSI NISO Standard Z39.48-1984 - Permanence of Paper for Publications and Documents in Libraries in 1984.
The conservation and restoration of photographs is the study of the physical care and treatment of photographic materials. It covers both efforts undertaken by photograph conservators, librarians, archivists, and museum curators who manage photograph collections at a variety of cultural heritage institutions, as well as steps taken to preserve collections of personal and family photographs.
The preferred method for storing manuscripts, archival records, and other paper documents is to place them in acid-free paper folders which are then placed in acid-free of low-lignin boxes for further protection. [21] Similarly, books that are fragile, valuable, oddly shaped, or in need of protection can be stored in archival boxes and enclosures.
Hollinger Metal Edge worked with officials at the Library of Congress and National Archives of the United States to develop acid free papers, storage boxes and envelopes that would preserve archival collections. [1] The boxes are designed for long-term storage, and typically rest on standard library shelving.
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