ISO 11114-5 2022 气瓶-气体容器和阀门材料与气体成分的兼容性-第5部分 评估塑料衬里的测试方法(英文版).pdf

11114,2022,ISO,pdf,气体,国外及港澳台标准
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INTERNATIONAL STANDARD

cylinderandvalvematerialswithgas Gascylinders-Compatibilityof contents-

Part 5:Testmethodsforevaluatingplasticliners

Bouteillesa gaz -Compatibilite des materiaux des bouteilles et desrobinets avec les contenus gazeux

Partie 5: Methodes d’essai pour I’evaluation des liners en plastique

COPYRIGHTPROTECTEDDOCUMENT

ISO 2022

Allrights reserved. Uless otherwise specified or required in the context of its imlementation o part of this publication maybe reproduced or utilized otherwise in any form or by any means electronic or mechanical including photocopying or posting on the intermet or an intranet without prior written permission. Permission can be requested from either ISO at the address belowor ISO's member body in the country of the requester.

ISO copyright officeCH-1214 Vernier Geneva CP 401 • Ch. de Blandonnet 8Email:copyright@ Phone: 41 22 749 01 11Website: in Switzerland

Contents

Page

Foreword. ivIntroduction. V1 Scope.. 12 Normative references. 13 Terms and definitions. 14 General requirements. 25 Tests to be performed on specimens. 5.1 Permeation test. 2 25.1.1 Test bench and set-up. Disc samples. 25.1.2 5.1.3 Procedure. 55.1.4 5.1.5 Calculation of the permeability coefficient. Recording and interpretation of test results. 6 65.2 Swelling/blistering test.. 75.2.2 5.2.1 Recording and interpretation of tests results. Disc samples. 7 75.3 Ageing test. 5.3.1 Samples. 8 85.3.2 Recording and interpretation of the results. Procedure. 8Tests to be performed on cylinders. 5.3.3 8 66.1 Liner collapse due to internal pressure in the cylinder being below atmosphericpressure. 6.1.1 General. 66.1.2 Evaluation parameters. Procedure. 66.2 Permeability test. 6.1.3 6 66.2.2 6.2.1 Procedure. General. 6 6Liner collapse and blistering test. 6.2.3 Evaluation parameters. 106.3 6.3.1 General. 10 106.3.2 6.3.3 Evaluation parameters. Procedure. 10 107 Rejection and rendering cylinders used for testing unserviceable. 128 Test report. 12Bibliography. 14

Foreword

bodies (ISO member bodies). The work of preparing International Standards is normally carried outthrough ISO technical mittees. Each member body interested in a subject for which a technical mittee has been established has the right to be represented on that mittee. InternationalISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of organizations governmental and non-governmental in liaison with ISO also take part in the work.electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance aredifferent types of ISO documents should be noted. This document was drafted in accordance with theeditorial rules of the ISO/IEC Directives Part 2 (see

Attention is drawn to the possibility that some of the elements of this document may be the subject ofany patent rights identified during the development of the document willbe in the Introduction and/or patent rights.ISO shall not be held responsible for identifying any or all such patent rights.Details ofon the ISo list of patent declarations received (see

Any trade name used in this document is information given for the convenience of users and does notconstitute an endorsement.

For an explanation of the voluntary nature of standards the meaning of ISO specific terms andexpressions related to conformity assessment as well as information about ISO's adherence to

This document was prepared by Technical Committee ISO/TC 58 Gas cylinders in collaboration withAgreement). cylinders in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna

A list of all parts in the ISO 11114 series can be found on the ISO website.

po spreus puu sasn a o paap a pinos panop s uo susanb o yeqpaa uplete listing of these bodies can be found at

Introduction

Non-metallic materials are used for the manufacturing of liners of some posite gas cylinders andtherefore are in contact with gas contents.

and to give test procedures and evaluation parameters.

This document provides some testing methodologies to evaluate suitability of plastic materialsconcerning the risks identified in ISO 11114-2. Furthermore this document is intended to be usedtests as well as the criteria while this document describes the test procedure.

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