ISO INTERNATIONAL STANDARD 9528 Third edition 2022-01 Aerospace Standard-weight polytetrafluoroethylene (PTFE) hose assemblies, classification 204 °C/ 21000kPaProcurement specification Aeronautiqueetespace-Tuyauteriesflexiblesen polytetrafluoroethylene(PTFE),serienormale,classification 204c/21000kPa-Specificationd'approvisionnement Referencenumber IS09528:2022(E) TSO ISO2022 IS09528:2022(E) COPYRIGHTPROTECTEDDOCUMENT ISO2022 All rights reserved.Unless otherwise specified, or required in thecontext of its implementation, no part of this publication may be reproduced orutilized otherwise inanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingon theinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherIsOattheaddressbelow orIso'smemberbodyinthecountryoftherequester. ISOcopyrightoffice CP401.Ch.deBlandonnet8 CH-1214Vernier,Geneva Phone: +4122 749 0111 Email:copyright@iso.org Website:www.iso.org Published inSwitzerland ii IS02022-Allrightsreserved