There was a slow-burning film stock made from the late 1920's on up, designed for use in schools, and institutions. It was not as dimensionally stable as Nitrate and was far inferior to the later Tri-acetate stock that became standard.
The short strip that was in the other thread was a PRINT by the looks of it.
The Archives are probably your best source of OZ info, as well as a place where the material may have its context. perhaps a historian may know something about the original negative.
Rusty can's are often a sign of deterioration with both safety and nitrate film, so well ventalated plastic cans would be called for, although the metal cans do provide context. even the leaders (if any ) might provide info. Are these on reels? or cores?
I have no idea of the OZ haz-mat rules but these probaly have to be only transported by Truck with Haz-Mat placards. again the archive folks may be able to help.
I'm wondering about the idea of metal vs plastic cans for this stuff, a metal can is more likely to be able to contain a fire if it did occur, where as a plastic can would simply add more toxic fumes as the plastic melted or burned.
If you do have natrate burning, a can is not going to stay closed for much more than the first second, after that the lid will be ten feet or more away from the base!
the plastic cans I was thinking of are the dancan ones that are made for long term storage. The issue is taht rusty Iron/steel is a catalyst for Acetate film breakdown, and so probaly would also not be good for Nitrate as we are dealing with simalar mechanisms.
Rusty cans are also the first sign of film breaking down.
dan Can is at http://www.dancan.dk/
35mm motion picture film of the vintage being discussed here runs at 90 feet per minute. I wonder how many minutes of footage the OP has? Common full lab cans of film stock were 1000 feet...giving a run time of just about 11 minutes.
Have you found out anything more about the when & where & why of the film Stephen.
mike c.
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