ISO INTERNATIONAL STANDARD 26082-1 IUP 53-1 Second edition 2019-03 Leather Physical and mechanical test methods for the determination of soiling Part 1: Rubbing (Martindale) method Cuir - Méthodes d'essai physique et mécanique de détermination de lasalissure Partie 1: Methode par frottement (Martindale) Reference numbers IS0 26082-1:2019(E) Iso IUP 53-1:2019(E) @ IS0 2019 IS0 26082-1:2019(E) IUP 53-1:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2019- All rights reserved IS0 26082-1:2019(E) IUP 53-1:2019(E) Contents Page Foreword ..iv 1 Scope 2 Normative references ..1 3 Terms and definitions 4 Principle ..2 5 Apparatus and materials ..2 6 Sampling and sample preparation ..3 7 Pretreatment wearing procedures. 8 Procedure using a standard soiling cloth ..3 9 Cleaning after-treatment to evaluate residual soiling ..4 9.1 General instructions. ..4 9.2 Manual cleaning 4 9.3 Cleaning using a rub fastness tester. ..5 10 Test report .5 Annex A (informative) Sources of apparatus and materials .6 Bibliography .8 @ IS0 2019 - All rights reserved iii