Matériaux pour l'image — Films et papiers photographiques — Détermination de la méthode dite <<du coin>>

ISO 18907:2013 specifies a method for determining and expressing quantitatively the brittleness of photographic film and papers.

The method is applicable to films with or without a gelatin backing and to fibre-based or resin-coated (RC) photographic papers. It may also be applied to either raw or processed materials.