ISO INTERNATIONAL STANDARD 8829-2 First edition 2006-09-15 Aerospace Test methods for polytetrafluoroethylene (PTFE) inner-tube hose assemblies Part 2: Non-metallic braid Aéronautique et espace - Methodes d'essai des tuyauteries flexibles a tube interieur en polytetrafluoroéthylene (PTFE) Partie 2: Tuyauteries a gaine non métallique Reference number ISO 8829-2:2006(E) ISO 2006 copyrighted by UNE, C/ Genova, 6. 28004 Madrid, Spain (all righ 18 00:44:57 UTC 2024 reproductions authorized ISO 8829-2:2006(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but accepts no liability in this area. Adobe isatrademarkofAdobeSystems Incorporated Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. @ISO2006 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, 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 [email protected] Web www.iso.org Published in Switzerland ii @ copyrighted by UNE, C/ Genova, 6. 28004 Madrid, Spain (all rights reserved); Sun Feb 18 00:44:57 UTC 2024 @IsO2006-Allrightsreserved ISO 8829-2:2006(E) Contents Page Foreword Introduction 1 Scope. 2 Normative references ... 3 Terms and definitions.. 4 Test temperature... 5 TestsonPTFEinnertubes 5.1 Density and relative density 5.2 Tensile tests. 5.3 5.4 Electrical conductivity test .... 6 Test on hoses and hose assemblies. 6.1 Stressdegradationtest.. 6.2 Pneumatic effusion test .. 6.3 Electricalconductivitytest. 6.4 Visual and dimensional inspection.... 10 6.5 Determinationofelongationorcontraction. 6.6 Volumetric expansion test.... 6.7 Leakage test.. 6.8 Proof-pressure tes 6.9 Burst-pressure tests.. 6.10 Impulse test .... 6.11 6.12 Fuel resistance test .... 5 6.13 Low-temperature flexure testing . 6.14 Pneumatic leakage test ... 5 6.15 15 6.16 Pneumatic surge test. 6.17 Thermal shock test .. 16 6.18 Light-radiation aging . 6.19 Push-pull test 6.20 Fire test.. Annex A (informative) Test fluids 20 Bibliography 21 ili 00:44:57UTC202 Oownloaded/printed for Georgia Institute of Technologv. This standard provided bv AENOR. No further reprod horized ISO 8829-2:2006(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISo technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeen non-governmental,inliaisonwithlsO,also takepart in the work.IsO collaborates closely with the InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 8829-2 was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles, Subcommittee SC 10, Aerospace fluid systems and components. ISO 8829-2 cancels and replaces ISO 8829:1990, which has been technically revised. ISO 8829 consists of the following parts, under the general title Aerospace - Test methods for polytetra-