ISO2431-2011英文书.PDF

INTERNATIONAL STANDARD ISO 2431 Fifth edition 2011-11-15 Paints and varnishes — Determination of flow time by use of flow cups Peintures et vernis — Détermination du temps d’écoulement au moyen de coupes d’écoulement Copyright International Organization for Standardization Provided by IHS under license with ISO No reproduction or networking permitted without license from IHS --`,,```,,,,````-`-`,,`,,`,`,,` Not for Resale Reference number ISO 2431:2011(E) ? ISO 2011 ISO 2431:2011(E) COPYRIGHT PROTECTED DOCUMENT ? ISO 2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing 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 copyright@ Web Published in Switzerland iiCopyright International Organization for Standardization Provided by IHS under license with ISO No reproduction or networking permitted without license from IHS --`,,```,,,,````-`-`,,`,,`,`,,` Not for Resale ? ISO 2011 – All rights reserved ISO 2431:2011(E) Contents Page Foreword iv Introduction v 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Temperature considerations 2 5 Apparatus 2 5.1 Flow cups 2 5.2 Supplementary apparatus 5 6 Sampling 6 7 Procedure 6 7.1 Preliminary check for Newtonian flow 6 7.2 Determination of flow time 6 8 Marking of products tested 7 9 Precision 7 9.1 General 7 9.2 Repeatability limit 8 9.3 Reproducibility limit 8 10 Test report 8 Annex A (normative) Checking flow cups for wear and tear 10 Annex B (informative) Conversion of flow times from one temperature to another 12 Bibliography 15 --`,,```,,,,````-`-`,,`,,`,`,,` Copyright International Org?anizIaStioOn fo2r0S1ta1nda–rdAizaltliornights reserved Provided by IHS under lice