ISO INTERNATIONAL STANDARD 11641 IULTCS/IUF 426 Second edition 2012-11-15 Leather Tests for colour fastness Colour fastness to perspiration Cuir- Essais de solidité des coloris - Solidité des coloris a la sueur Reference number ISO 11641:2012(E) IULTCS /IUF 426:2012(E) @ ISO 2012 d by IHS under lic Not for Resale ISO 11641:2012(E) IULTCS/IUF 426:2012(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or IsO's memberbody in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 4122749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ ISO 2012 - All rights reserved py IHS unde permitted without license from IHS Not for Resale ISO 11641:2012(E) IULTCS/IUF 426:2012(E) Contents Page Foreword V 1 Scope. 2 Normative references. 3 Principle 4 Apparatus and materials. 5 Test specimens.. 6 Procedure. 7 Evaluation 8 Precision .. .5 9 Test report. Annex A (informative) Commercial sources for apparatus and materials. Bibliography Copyright Intenatinal organizaionfar Standardizalion ghts reserved ili HS unde ut license from IHS Not for Resale