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

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.

Leder - Farbechtheitsprüfungen - Farbechtheit gegen Reiben (ISO 20433:2024)

Dieses Dokument legt ein Verfahren zur Bestimmung der Farbmenge fest, die von der Oberfläche von farbigem Leder auf andere Oberflächen durch Reiben übertragen wird.
Zwei Prüfungen werden durchgeführt, eine mit einem trockenen und eine mit einem nassen Reibgewebe.
Das Verfahren ist anwendbar für alle Typen von farbigem Leder. Da sowohl Nachbehandlungen von Leder als auch Zurichtungen der Oberfläche den Grad der Farbübertragung beeinflussen können, kann die Prüfung vor und/oder nach derartigen Behandlungen durchgeführt werden.

Cuir - Essais de solidité des coloris - Solidité des coloris au dégorgement par frottement (ISO 20433:2024)

Le présent document spécifie une méthode pour déterminer la quantité de couleur transférée de la surface d’un cuir coloré à d’autres surfaces, par frottement.
Deux essais sont réalisés: l’un avec une étoffe de frottement à sec et l’autre avec une étoffe de frottement humide.
Cette méthode s’applique à tous les types de cuir coloré. Étant donné que les post-traitements du cuir ainsi que les apprêts peuvent avoir une incidence sur le transfert de la couleur, l’essai peut être effectué avant et/ou après ces traitements.

Usnje - Preskušanje obstojnosti barve - Obstojnost barve proti drgnjenju (ISO 20433:2024)

General Information

Status
Published
Publication Date
23-Apr-2024
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
24-Apr-2024
Completion Date
24-Apr-2024

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SLOVENSKI STANDARD
SIST EN ISO 20433:2024
01-julij-2024
Usnje - Preskušanje obstojnosti barve - Obstojnost barve proti drgnjenju (ISO
20433:2024)
Leather - Tests for colour fastness - Colour fastness to crocking (ISO 20433:2024)
Leder - Farbechtheitsprüfungen - Farbechtheit gegen Reiben (ISO 20433:2024)
Cuir - Essais de solidité des coloris - Solidité des coloris au dégorgement par frottement
(ISO 20433:2024)
Ta slovenski standard je istoveten z: EN ISO 20433:2024
ICS:
59.140.30 Usnje in krzno Leather and furs
SIST EN ISO 20433:2024 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN ISO 20433:2024

---------------------- Page: 2 ----------------------
SIST EN ISO 20433:2024


EN ISO 20433
EUROPEAN STANDARD

NORME EUROPÉENNE

April 2024
EUROPÄISCHE NORM
ICS 59.140.30 Supersedes EN ISO 20433:2012
English Version

Leather - Tests for colour fastness - Colour fastness to
crocking (ISO 20433:2024)
Cuir - Essais de solidité des coloris - Solidité des coloris Leder - Farbechtheitsprüfungen - Farbechtheit gegen
au dégorgement par frottement (ISO 20433:2024) Reiben (ISO 20433:2024)
This European Standard was approved by CEN on 21 April 2024.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.





EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 20433:2024 E
worldwide for CEN national Members.

---------------------- Page: 3 ----------------------
SIST EN ISO 20433:2024
EN ISO 20433:2024 (E)
Contents Page
European foreword . 3

2

---------------------- Page: 4 ----------------------
SIST EN ISO 20433:2024
EN ISO 20433:2024 (E)
European foreword
This document (EN ISO 20433:2024) has been prepared by Technical Committee ISO/IULTCS
"International Union of Leather Technologists and Chemists Societies" in collaboration with Technical
Committee CEN/TC 289 “Leather” the secretariat of which is held by UNI.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by October 2024, and conflicting national standards shall
be withdrawn at the latest by October 2024.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 20433:2012.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 20433:2024 has been approved by CEN as EN ISO 20433:2024 without any modification.

3

---------------------- Page: 5 ----------------------
SIST EN ISO 20433:2024

---------------------- Page: 6 ----------------------
SIST EN ISO 20433:2024
International
Standard
ISO
20433
IULTCS
IUF 452
Third edition
Leather — Tests for colour f
...

SLOVENSKI STANDARD
oSIST prEN ISO 20433:2023
01-september-2023
Usnje - Preskušanje obstojnosti barve - Obstojnost barve proti drgnjenju (ISO/DIS
20433:2023)
Leather - Tests for colour fastness - Colour fastness to crocking (ISO/DIS 20433:2023)
Leder - Farbechtheitsprüfungen - Farbechtheit gegen Reiben (ISO/DIS 20433:2023)
Cuir - Essais de solidité des coloris - Solidité des coloris au dégorgement par frottement
(ISO/DIS 20433:2023)
Ta slovenski standard je istoveten z: prEN ISO 20433
ICS:
59.140.30 Usnje in krzno Leather and furs
oSIST prEN ISO 20433:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN ISO 20433:2023

---------------------- Page: 2 ----------------------
oSIST prEN ISO 20433:2023
DRAFT INTERNATIONAL STANDARD
ISO/DIS 20433
IULTCS
IULTCS Secretariat: ISO
Voting begins on: Voting terminates on:
2023-07-03 2023-09-25
Leather — Tests for colour fastness — Colour fastness to
crocking
Cuir — Essais de solidité des coloris — Solidité des coloris au dégorgement par frottement
ICS: 59.140.30
This document is circulated as received from the committee secretariat.
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
ISO/CEN PARALLEL PROCESSING
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference numbers
NATIONAL REGULATIONS.
ISO/DIS 20433:2023(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
IULTCS/IUF 452:2023(E)
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION. © ISO 2023

---------------------- Page: 3 ----------------------
oSIST prEN ISO 20433:2023
ISO/DIS 20433:2023(E)
DRAFT INTERNATIONAL STANDARD
ISO/DIS 20433
IULTCS
IULTCS Secretariat: ISO
Voting begins on: Voting terminates on:

Leather — Tests for colour fastness — Colour fastness to
crocking
Cuir — Essais de solidité des coloris — Solidité des coloris au dégorgement par frottement
ICS: 59.140.30
This document is circulated as received from the committee secretariat.
COPYRIGHT PROTECTED DOCUMENT
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
© ISO 2023
ISO/CEN PARALLEL PROCESSING
THEREFORE SUBJECT TO CHANGE AND MAY
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
NOT BE REFERRED TO AS AN INTERNATIONAL
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on STANDARD UNTIL PUBLISHED AS SUCH.
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
IN ADDITION TO THEIR EVALUATION AS
or ISO’s member body in the country of the requester. BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
ISO copyright office
USER PURPOSES, DRAFT INTERNATIONAL
CP 401 • Ch. de Blandonnet 8
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
CH-1214 Vernier, Geneva
POTENTIAL TO BECOME STANDARDS TO
Phone: +41 22 749 01 11
WHICH REFERENCE MAY BE MADE IN
Reference numbers
Email: copyright@iso.org
NATIONAL REGULATIONS.
Website: www.iso.org ISO/DIS 20433:2023(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
IULTCS/IUF 452:2023(E)
Published in Switzerland
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
ii
  © ISO 2023 – All rights reserved
PROVIDE SUPPORTING DOCUMENTATION. © ISO 2023

---------------------- Page: 4 ----------------------
oSIST prEN ISO 20433:2023
ISO/DIS 20433:2023(E)
IULTCS/IUF 452:2023(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle .
...

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