ISO INTERNATIONAL STANDARD 15106-5 First edition 2015-04-15 Plastics - Film and sheeting Determination of water vapour transmission rate Part 5: Pressure sensor method Plastiques -Film et feuilleDétermination du coefficient de transmission de vapeur d'eau - Partie 5: Meéthode en pression differentielle Reference number ISO 15106-5:2015(E) SO International Organization for Standardization @ IS0 2015 vided by IHS under ted without license from IHS IS0 15106-5:2015(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2015 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. ISOcopyrightoffice Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland Prganizationfor Standardization Not for Resale, 2015/6/29 08:52:01 networking permitted without license from IHS IS0 15106-5:2015(E) Contents Page Foreword ..iv 1 Scope 2 Terms and definitions 3 Principle. 4 Test specimens. 5 Conditioning. .1 6 Apparatus. .2 6.1 General .2 6.2 Transmission cell .2 6.3 Pressure sensor . 2 6.4 Water vapour generator. .2 6.5 Cell volume-control device 2 6.6 Water. .2 6.7 Vacuum pump .2 7 Test conditions ..3 8 Procedure. ..4 9 Background measurement ..4 10 Calculation .5 11 Test result .5 12 Precision ..5 13 Test report. Bibliography 7 iii Not for Resale, 2015/6/29 08:52:01 see=Zhejiang Institute of Standardization 5956617 ed without license from IHS