This standard BS EN ISO 20701:2024 Leather. Tests for colour fastness. Colour fastness to saliva is classified in these ICS categories:
59.140.30 Leather and furs
This document specifies a method for determining the colour fastness to saliva of all kinds of leathers, independent of the colouring procedure applied. The method uses an artificial saliva solution to simulate whether colouring materials can migrate from leather to the mouth or to the mucous membranes.
