ISO INTERNATIONAL STANDARD 2453 Third edition 2020-05 Rubber, raw styrene-butadiene, emulsion-polymerized - Determination of bound styrene content Refractive index method Caoutchouc butadiene-styrene brut polymérisé en émulsion - Détermination de la teneur en styrene lié - Méthode par I'indice de réfraction Reference number IS0 2453:2020(E) osi @IS02020 IS0 2453:2020(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 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 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland i @ IS0 2020 - All rights reserved

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