GSO ISO 20433:2025

ISO 20433:2024
Gulf Standard   Current Edition · Approved on 14 October 2025

Leather — Tests for colour fastness — Colour fastness to crocking

GSO ISO 20433:2025 Files

English 5 Pages
Current Edition Reference Language

GSO ISO 20433:2025 Scope

This document specifies a method to determine the amount of colour transferred from the surface of coloured leather to other surfaces by rubbing.

Two tests are carried out, one with a dry rubbing cloth and one with a wet rubbing cloth.

The method is applicable to all types of coloured leather. Since after‑treatments of the leather as well as surface finishes can affect the degree of colour transfer, the test can be made before and/or after such treatments.

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