ISO INTERNATIONAL STANDARD 12951 Third edition 2020-05 Textile floor coverings Determination of mass loss, fibre bind and stair nosing appearance change using the Lisson Tretrad machine Revetementsdesol textiles-Détermination de la pertedemasse de la sensibilité au défibrage et du changement d'aspect au nez de marche a I'aide la machine Lisson Tretrad Reference number IS0 12951:2020(E) ISO @ISO2020 IS0 12951:2020(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2020 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 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 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved