ISO INTERNATIONAL STANDARD 4660 Fifth edition 2020-05 Rubber, raw natural Colour index test Caoutchouc naturel brut - Essai d'indice de couleur Reference number IS0 4660:2020(E) ISO @IS02020 IS0 4660:2020(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: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved

ISO 4660 2020 Rubber, raw natural — Colour index test

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