What type of enclosures should I use for my paper collections?
Supportive protective enclosures include: acid- and lignin-free folders, mats, and document boxes (all available alkaline buffered or neutral pH); and polyester film sleeves that are stiff enough to adequately support the paper(s) within. Alkaline buffered storage materials provide a desirable neutralizing effect on acids that are inherent in works on paper, especially as paper ages, but be aware that some media found on paper objects may be sensitive to alkaline pH. Polyester film has the benefit of being clear, but does not contain an alkaline buffer and with little friction readily produces an electrostatic charge that can lift powdery media such as pastel, charcoal, pencil, and flaking paint.
The Northeast Document Conservation Center has put together very useful technical leaflets on storage solutions for paper artifacts. Folders, boxes, plastic sleeves, and other supplies for the proper storage of paper artifacts can be purchased from preservation suppliers.
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Library of Congress
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Washington, D.C. 20540-4530
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