Imaging materials. Reflection colour photographic prints. Method for testing humidity fastness Ingestion-build-61878 Who is BS EN 15586

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Imaging materials. Reflection colour photographic prints. Method for testing humidity fastness Ingestion-build-61878 Who is BS EN 155861 Scope This International Standard describes test methods for evaluating reflection colour photographic prints with regard to changes in image appearance resulting from exposure to both low and high relative humidity. The observed changes relate to colour, tone and loss of sharpness caused by horizontal and vertical diffusion of colorants from exposure to elevated humidity levels. Other humidity related factors, such as mould and mildew growth, and