
Textiles - Tests For Colour Fastness - Part A02: Grey Scale For Assessing Change In Colour
出版:Nederlands Normalisatie Instituut

專家解讀視頻
Defines the grey scale for determining changes in colour of textiles in colour fastness tests, and its use. A precise colorimetric specification of the scale is given as a permanent record against which newly prepared working standards that may have changed can be compared.