Tech tip1 min read
Tech Tip 073: Signs of Microfilm Deterioration
Inspection guide to common signs of archival microfilm deterioration and how handling and winding affect film condition.
This guide was prepared for inspecting archival microfilm and presents common signs of film deterioration, with images and a suggested remedy for each problem.
Highlights
- Film deterioration usually progresses from the outside of the roll inward
- Film wound loosely on the reel deteriorates faster because of air pockets between the wraps
- Much film has been scratched, torn or surface-contaminated through careless handling
- Wear gloves when handling film, keep equipment clean and do not smoke around film
Source:Eastman Park Micrographics(epminc.com)(opens in a new tab)
Frequently asked questions
Where does microfilm deterioration usually start on a roll?
Film deterioration usually progresses from the outside of the roll inward.
Why does loosely wound microfilm deteriorate faster?
Film wound loosely on the reel deteriorates faster because of air pockets between the wraps.
What damages can careless handling cause to microfilm?
Careless handling can cause microfilm to be scratched, torn or surface-contaminated.
What precautions should be taken when handling microfilm?
Wear gloves when handling film, keep equipment clean and do not smoke around film.
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