90.93 Standard confirmed May 29, 2007
CEN
CEN/TC 248 Textiles and textile products
European Norm
59.080.01 Textiles in general
Describes a method for determining the resistance of the colour of textiles to the action of concentrated solutions of sodium hydroxide. The method is mainly applicable to cotton and to mixtures containing cotton. A specimen of the textile in contact with a specified adjacent fabric is treated with sodium hydroxide solution, rinsed, acidified, rinsed again, and dried. The change in colour of the specimen and the staining of the adjacent fabric are assessed with the grey scale.
PUBLISHED
EN ISO 105-X04:1997
90.93
Standard confirmed
May 29, 2007