# ISO 20433:2005 — Withdrawn and superseded ISO standards For ISO 20433:2005, item title is Leather — Tests for colour fastness — Colour fastness to crocking; status code is 9599; successor is ISO 20433:2012; withdrawn / published date is 2005-07-26, recorded from its source on 2026-08-05. - **Identifier:** ISO 20433:2005 _(verified: appears in the quote below)_ - **Item title:** Leather — Tests for colour fastness — Colour fastness to crocking _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 20433:2012 - **Withdrawn / published date:** 2005-07-26 _(verified: appears in the quote below)_ ## What the source says > 39424,IS,,ISO 20433:2005,Leather — Tests for colour fastness — Colour fastness to crocking,Cuir — Essais de solidité des teintures — Solidité des teintures au frottement avec abrasion,2005-07-26,1,['59.140.30'],IULTCS,9599,,[54448],['en'],5,"

ISO 20433:2005 specifies a method for determining 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 a ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).