ISO INTERNATIONAL STANDARD 2476 Sixth edition 2014-03-01 Butadiene rubber (BR) Solution- polymerized types Evaluation procedures Caoutchouc butadiene (BR) - Types polymériseés en solution - Méthodes d'évaluation Reference number IS0 2476:2014(E) LSO IS02014 IHS under itted without license from IHS Not for Resale IS0 2476:2014(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2014 All rights reserved. Unless otherwise specified, 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 Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ IS0 2014 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0 2476:2014(E) Contents Page Foreword ..iv 1 Scope 1 2 Normative references ..1 3 Sampling and further preparative procedures 4 Physical and chemical tests on raw rubber .2 4.1 Mooney viscosity. .2 4.2 Volatile matter. .2 4.3 Ash .2 5 Preparation of test mixes for evaluation of butadiene rubbers .2 5.1 Standard test formulations .2 5.2 Procedure .3 6 Conditioning of batches ..8 7 Evaluation of vulcanization characteristics ..8 7.1 Using an oscillating-disc curemeter. 7.2 Using a rotorless curemeter ..8 8 Evaluation of tensile stress-strain properties of vulcanized test mixes. .9 9 Precision ..9 10 Test report .9 Annex A (informative) Precision ..10 Bibliography .15 ii se with IS thout license from IHS Not for Resale