BS EN ISO 20701:2018 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.Cross References:ISO 105-A04ISO 2418ISO 105-A02ISO 105-A03EN 15987ISO 105-A05ISO 105-A01ISO 3696DIN 53160-1:2010All current amendments available at time of purchase are included with the purchase of this document.