This standard specifies the recommended storage conditions for unprocessed photographic material. This standard applies to black-and-white and color photographic materials (negative, positive, reversal, positive-working paper and X-ray film) and security films. This standard does not apply to processed films and photographs.
GB/T 33155-2016 history
2016GB/T 33155-2016 Imaging materials—Unprocessed photographic films and papers—Storage practices