Motion picture film? Try checking out the Film Preservation Guide.
The "Understanding Film and How It Decays" section includes a few
pages on recognizing varying film stocks (nitrate, poly, etc.).

Hope that helps..


Brandon Burke
Archivist for Recorded Sound Collections
Hoover Institution Archives
Stanford University
Stanford, CA 94305-6010
vox: 650.724.9711
fax: 650.725.3445
email: [log in to unmask]

On Aug 14, 2008, at 9:31 AM, Jennifer Tobias wrote:

> Hi everyone,
> Can anyone recommend a good way to identify PVC film? I can't seem  
> to find any references to non-destructive tests you can use for  
> this. Any ideas are much appreciated! Thanks!
> -Jen Tobias
> Jen Tobias
> Technical Services and Special Collections Coordinator
> Naropa University
> Allen Ginsberg Library
> (303) 546-3505
> [log in to unmask]