Tech tip1 min read
Tech Tip 050: Life Expectancy of Microfilm
Microfilm reaches an LE 500 life expectancy only when manufacture, processing (ISO 18901) and storage (ISO 18911) all meet the standards.
Under ISO/ANSI, the Life Expectancy of microfilm is at least 500 years. Three conditions must be met to achieve LE 500.
Highlights
- Manufacture: silver-gelatin microfilm must be made to ISO and ANSI standards for LE-500 films; EPM family Camera Negative films and IMAGELINK microfilms meet this condition
- Processing: film must be processed according to ISO 18901:2002; this is the responsibility of the microfilm processing facility
- Storage: film must be stored according to ISO 18911:2000; this is the responsibility of the custodial organization
- When properly processed and stored, microfilm will have a life expectancy of at least 500 years
Source:Eastman Park Micrographics(epminc.com)(opens in a new tab)
Frequently asked questions
What conditions must be met for microfilm to achieve a 500-year life expectancy?
Three conditions must be met: manufacture per ISO and ANSI LE-500 standards, processing per ISO 18901:2002, and storage per ISO 18911:2000.
Which microfilm products meet the manufacture condition for LE 500?
EPM family Camera Negative films and IMAGELINK microfilms meet this condition.
Who is responsible for processing microfilm according to ISO 18901:2002?
The microfilm processing facility is responsible.
Who is responsible for storing microfilm according to ISO 18911:2000?
The custodial organization is responsible.
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