This standard BS EN ISO 15701:2022 Leather. Tests for colour fastness. Colour fastness to migration into polymeric material is classified in these ICS categories:
59.140.30 Leather and furs
This document specifies a method for assessing the propensity of dyes and pigments to migrate from leather to a synthetic substrate by determining the transfer of colour from the leather to white polymeric material in contact with it. This method is applicable to leather of all kinds at any stage of processing.
