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Storage of cellulose acetate
Recommended storage conditions for black-and-white safety film and acetate-based magnetic tape.
| Daily | Annually | |
|---|---|---|
| Storage temperature | 16°C +/- 2°C | 16°C+/- 2°C |
| Relative humidity | 35% +/- 2% | 35% +/- 5% |
| Rate of fresh air intake | Determined by National Health Regulations | |
Recommended storage conditions for colour safety film and stills, transparencies and negatives.
| Daily | Annually | |
|---|---|---|
| Storage temperature | 6°C +/- 2°C | 6°C+/- 2°C |
| Relative humidity | 35% +/- 2% | 35% +/- 5% |
| Rate of fresh air intake | Determined by National Health Regulations | |
Cold storage is the only viable option to increase stability of material that already shows signs of deterioration and for keeping new material in good condition.
If cold storage is not an option over the short term, the storage facility should be well ventilated to prevent the build up of acidic gasses that drive the autocatalytic degradation reactions of cellulosic films. As much as possible, the environment should be stable, cool, and dry. Significant fluctuations of temperature and relative humidity should be avoided.
The National Film and Sound Archive of Australia acknowledges Australia’s Aboriginal and Torres Strait Islander peoples as the Traditional Custodians of the land on which we work and live and gives respect to their Elders both past and present.