Acetate Microfilm
by Tyler Selle
Publication # 15
2003

Many local governments and state agencies now face the problem of deteriorating acetate microfilm because they used film with an acetate base. Since acetate was the most common film base from the mid-1920s into the early 1980s, if your organization holds microfilm produced during this time period it is almost certainly acetate-based. Poor environmental storage conditions, combined with acetate’s intrinsic susceptibility to decay, frequently accelerate the film’s deterioration. Polyester-based film, used after the early 1980s, does not have the same risks of deterioration as acetate film. The two major risks posed by acetate microfilm, information loss and off-gassing, are correctable, but only planning and quick action will help minimize damage. This publication describes acetate-based film, the problems associated with it, and mitigation strategies.

 

 

http://www.archives.nysed.gov/a/records/mr_pub15_accessible.html
 

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