90.93 Standard confirmed May 29, 2007
CEN
CEN/TC 248 Textiles and textile products
European Norm
59.080.01 Textiles in general
A specimen of the textile (wool textiles in all forms) is treated in a formic acid buffer solution to which solutions of sodium dichloroisocyanurate and sodium hydrogen sulfite are added succesively, and is then rinsed and dried. The change in colour of the specimen is assessed with the grey scale. This treatment simulates the manufacturing operation in which a liquid containing or liberating active chlorine under mildly acid conditions is used for imparting shrink-resistant properties to wool in textiles.
PUBLISHED
EN ISO 105-X14:1997
90.93
Standard confirmed
May 29, 2007