CSN EN ISO 20701

CSN EN ISO 20701 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.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.