CAN/CGSB-4.2 No. 46-96 (R2011)

This National Standard of Canada is equivalent to International Standard ISO 105-A02:1993. 1 Scope This part of ISO 105 describes 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 and standards that may have changed can be compared.