ISO INTERNATIONAL STANDARD 6721-3 Second edition 2021-02 Plastics Determination of dynamic mechanical properties - Part 3: Flexural vibration Resonance- curve method Plastiques - Détermination des propriétés mécaniques dynamiques Partie 3: Vibration en flexion Meéthode en résonance Reference number ISO 6721-3:2021(E) OS1 @ ISO 2021 IS0 6721-3:2021(E) COPYRIGHTPROTECTEDDOCUMENT 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 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: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2021 - All rights reserved