Imaging materials. Photographic films and papers. Wedge test for brittleness has-digital NOTE 1 In the event

NOTE 1 In the event that the stationary training equipment is intended for medical purposes

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Protection of surfaces

Imaging materials. Photographic films and papers. Wedge test for brittleness has-digital NOTE 1 In the event1 Scope This International Standard specifies a method for determining and expressing quantitatively the brittleness of photographic film and papers. It does not, however, specify a universal brittleness test for all types of stress encountered for which special tests can be required to correctly rate the material for brittleness. The method is applicable to films with or without a gelatin backing and to fibre based or resin coated (RC) photographic