ISO INTERNATIONAL STANDARD 4661-2 Second edition 2018-09-28 Rubber, vulcanized Preparation of samples and test pieces - Part 2: Chemical tests Caoutchouc vulcanisé-Preparation des échantillons et éprouvettes- Partie2:Essaischimiques Reference number IS0 4661-2:2018(E) ISO @IS0 2018 @ IS0 2018, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form 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 Ch.deBlandonnet8 ·CP401 CH-1214 Vernier,Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org ii ISO 2018-Allrights reserved Contents Page Foreword iv Introduction V 1 Scope. .1 2 Normativereferences .1 3 Terms and definitions 1 4 Preparation of samples. 1 4.1 Soft vulcanized rubber 1 4.2 Ebonite. 1 4.3 Rubberized composites 1 @ IS0 2018 - All rights reserved iii