Textiles — Tests for colour fastness — Part A05: Instrumental assessment of change in colour for determination of grey scale rating
纺织及印刷业;;色牢度试验第A05部分:灰阶等级测定用颜色变化的仪器评估
Specifies an instrumental method for assessing the change in colour of a test specimen in comparision to an identical untreated reference, and the calculations undertaken to convert the instrumental measurements into a grey scale rating.