ISO INTERNATIONAL STANDARD 2440 Fourth edition 2019-10 Flexible and rigid cellular polymeric materials Accelerated ageing tests Matériaux polymeres alveolaires souples et rigides - Essais de vieillissement accélére Reference number IS0 2440:2019(E) ISO @ IS0 2019 IS0 2440:2019(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 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 2019 - All rights reserved