ISO INTERNATIONAL STANDARD 23673 First edition 2021-05 Plastics Elasticity index : Determination of elastic property of melts Plastiques-Indice d'élasticité-Détermination de la propriété élastique a I'état fondu Reference number IS0 23673:2021(E) ISO @ISO2021 IS0 23673:2021(E) COPYRIGHTPROTECTED DOCUMENT IS02021 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 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2021 - All rights reserved