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prSSH EN ISO 20433:2024

Leather - Tests for colour fastness - Colour fastness to crocking (ISO 20433:2024)

General information

40.60     May 7, 2025

50.99    Jul 30, 2025

DPS

DPS/KT 309

European Norm

59.140.30  

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.

Life cycle

PREVIOUSLY

PUBLISHED
SSH EN ISO 20433:2012

NOW

IN_DEVELOPMENT
prSSH EN ISO 20433:2024
40.60 Close of voting
May 7, 2025

Related project

Adopted from EN ISO 20433:2024 IDENTICAL

Adopted from ISO 20433:2024 IDENTICAL