Specifies a method for determining the resistance of the colour of textiles of all kinds and in all forms to the action of sulfur dioxide as used for bleaching animal fibres. A composite specimen containing its own mass of soap solution and a composite test-control specimen are exposed in an atmosphere containing sulfur dioxide. The change in colour of the specimen and the staining of the adjacent fabric(s) are assessed with the grey scale.
Registration number (WIID)
11679
Scope
Specifies a method for determining the resistance of the colour of textiles of all kinds and in all forms to the action of sulfur dioxide as used for bleaching animal fibres. A composite specimen containing its own mass of soap solution and a composite test-control specimen are exposed in an atmosphere containing sulfur dioxide. The change in colour of the specimen and the staining of the adjacent fabric(s) are assessed with the grey scale.
