ISO/TR TECHNICAL REPORT 19811 First edition 2017-05 Gas cylinders Service life testing for cylinders and tubes of composite construction Bouteilles a gaz-Duree devie des bouteilles et tubes composites Referencenumber ISO/TR19811:2017(E) iso Intemational Organization for Standardization @IS02017 e=ZHEJIANG INSTOFSTANDARDIZATION C15956617 itted without license from IHS IS0/TR19811:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS02017,Published inSwitzerland 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 Ch. de Blandonnet 8. CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Intematinaibr PrganizationfoStandardization Licensee-ZHEJIANG INSTOF STANDARDIZARoISQ0,7 - All rights reserved networking permited without license from IHS Notfor Resale, 2017/8/21 01:25:43 IS0/TR19811:2017(E) Contents Page Foreword ..iv Introduction. 1 Scope. 2 Normative references 3 Terms and definitions .1 4 Informationonexistingservicelifetestprogrammes .2 4.1 General. .2 4.2 Informationrequested .2 4.3 Information received .2 4.4 Servicelifetestprogrammes .2 5 Commentary on similarities and differences .2 5.1 General 2 5.2 Requirements: Approach 1 .2 5.3 Requirements:Approach 2 .3 5.4 Otheroverviews .3 6 Concludingremarksonfeasibilityofharmonization Annex A (informative)Approach 2:Details oftest procedure, criteria and definitions AnnexB (informative)Informationrequestform Bibliography 9 iii 9e=ZHEJIANG INSTOFSTANDARDIZATIONC15956617 lout license from IHS

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