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BS EN ISO 105-B03:2017
Textiles. Tests for colour fastness. Colour fastness to weathering: Outdoor exposure (British Standard)
ISO 105-B03:2017 specifies a method intended for determining the resistance of the colour of textiles of all kinds except loose fibres to the action of weather as determined by outdoor exposure.
NOTE General information on colour fastness to light is given in Annex A.
British Standards Institution [bsi]