The depth color card of this standard is formulated with reference to the depth of DIN54000 "2/1 Auxiliary Standard Color Card" recommended by the international standard ISO105/A-1978 "Textiles - Color Fastness Tests - Part A: General Rules", and added Four hues of golden yellow, red, emerald blue and bright green. This color card is suitable for the reference and visual evaluation of the dyeing depth of the dyed sample in the test of dyeing fastness and dyeing performance.
GB/T 4841.3-1985 history
2006GB/T 4841.3-2006 Colour cards of standard depths for dyeing with dyestuffs 2/1、1/3、1/6、1/12、1/25
1985GB/T 4841.3-1985 2/1 Colour cards of standard depths for dyeing with dyestuffs