Leather - Tests for colour fastness - Colour fastness to saliva
STANDARD published on 1.8.2018
Designation standards: ČSN EN ISO 20701
Classification mark: 793869
Catalog number: 504974
Publication date standards: 1.8.2018
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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