ISO INTERNATIONAL STANDARD 4574 Second edition 2019-05 Plastics PvC resins for general use Determination of hot plasticizer absorption Plastiques - Résines de polychlorure de vinyle a usages generaux - Determination de la prise de plastifiant a chaud Reference number IS0 4574:2019(E) @ IS0 2019 IS0 4574:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2019 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: copyright@iso.org Website: www.iso.org Published in Switzerland i @ IS0 2019 - All rights reserved IS0 4574:2019(E) Contents Page Foreword .iv Introduction V 1 Scope. 2 Normative references. 1 3 Terms and definitions 4 Principle. 1 5 Reagent. 1 6 Apparatus. 1 7 Procedure 5 7.1 Preliminary regulation of thermostat 5 7.2 Measurement of mass of DoP absorbed by the cotton wool 6 7.3 Determination. 6 8 Calculation and expression of results. .7 9 Test report 7 Annex A (informative) Reasons for the choice of temperature and time 9 Bibliography 10 @ IS0 2019 - All rights reserved iii