Textiles. Tests for colour fastness - Colour fastness to light: Daylight Ingestion-build-64721 BS EN 16652-1 is the

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Textiles. Tests for colour fastness - Colour fastness to light: Daylight Ingestion-build-64721 BS EN 16652-1 is the1 Scope This part of ISO 105 specifies a method intended for determining the resistance of the colour of textiles of all kinds and in all forms to the action of daylight. This method allows the use of two different sets of blue wool references. The results from the two different sets of references may not be identical. NOTE General information on colour fastness to light is given in Annex A.