ISO 18905:2002规定了具有氨处理重氮照相图像的聚酯基安全膜的稳定性规范。它仅适用于用作LE-10和LE-100存储拷贝的重氮照相胶片，这些胶片应按照ISO 18902和ISO 18911进行存储。 ISO 18905:2002适用于照相胶片，其中图像层是附着在透明载体上的离散层，适用于卷式胶片和片状胶片。 ISO 18905:2002不适用于用作工作副本的重氮胶片记录。

ISO 18905:2002 establishes specifications for the stability of polyester-base safety film which has an ammonia-processed diazo photographic image. It is applicable only to diazo photographic films intended for and used as LE-10 and LE-100 storage copies, which shall be stored in accordance with ISO 18902 and ISO 18911. ISO 18905:2002 is applicable to photographic film in which the image layer is a discrete layer attached to a transparent support, and it applies to roll film and sheet film. ISO 18905:2002 is not applicable to diazo film records intended and used as work copies.