Standard depth MATT iso A01 bs 1006 SDC

This set of four cards illustrates internationally agreed depths in a range of six steps from 2/1 to 1/25 and is fully described in ISO 105 A01. They cover a range of 18 hues plus two navies and two blacks, and are used to illustrate the depths of shade used by dye manufacturers when producing fastness results for use in dye pattern cards.