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Topic: source for 16mm reel bands?
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Leo Enticknap
Film God
Posts: 7474
From: Loma Linda, CA
Registered: Jul 2000
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posted 09-25-2013 01:30 PM
If you don't mind my asking, and with apologies for veering this potentially off topic, but are these bands to use on prints in regular use or in long-term storage?
If the 16mm prints in question are polyester this doesn't really matter, but if they're triacetate then film in long-term storage needs to breathe, or else the build-up of acetic acid vapour between the film pack and the flanges of the reels, and around the edges of the film pack if sealed with a band, can accelerate the vinegar syndrome process and cause the film to decay faster than otherwise.
In an ideal world, acetate film elements should be in long term storage on/in an inert polypropylene core/container, and preferably in a vented can and in a vault with good air circulation (to get rid of acetic off-gases) and temperature and humidity control (to keep the rate of deacetylation to a minimum).
Obviously, most of us are not in an ideal world, but what struck me here is that putting bands around film elements that are going to be in long-term storage could be making a problem worse. But if they're to protect regularly projected prints in shipping, then no problem.
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