ISO INTERNATIONAL STANDARD 2551 Second edition 2020-05 Textile floor coverings and textile floor coverings in tile form Determination of dimensional changes due to the effects of varied water and heat conditions and distortion out of plane Revetements de sol textiles et revetements de sol textiles sous forme de dalles - Détermination de la variation des dimensions et de I'incurvation due aux effets de diverses conditions de mouillage et de chaleur Reference number IS0 2551:2020(E) ISO @ ISO 2020 IS0 2551:2020(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: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved