ISO 11640:2012 (IULTCS/IUF 450)
Leather -- Tests for colour fastness -- Colour fastness to cycles of to-and-fro rubbing
This standard has been revised by ISO 11640:2018
ISO 11640:2012 specifies a method for determining the behaviour of the surface of a leather on rubbing with a wool felt. It is applicable to leathers of all kinds.