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ISO 20701:2017
M00004684
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ISO 20701:2017 Leather - Tests for colour fastness - Colour fastness to saliva
standard by International Organization for Standardization, 12/01/2017
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ISO 20701 | IUF 427:2017 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.