A specimen of the textile in contact with a cotton fabric bag together with non-corrodible steel discs is agitated in perchloroethylene, then squeezed or centrifuged, and dried in hot air. The change in colour of the specimen is assessed with the grey scale for assessing change in colour. Not suitable for the evaluation of the durability of textile finishes.
Status : WithdrawnPublication date : 1993-10
Edition : 4
Technical Committee:Tests for coloured textiles and colorants