ISO/TS TECHNICAL SPECIFICATION 17431 First edition 2006-06-15 Fire tests Reduced-scale model box test Essais au feu — Essai a échelle reduite utilisant une boite Reference number ISO/TS 17431:2006(E) @ ISO 2006 IHS under Not for Resale ISO/TS 17431:2006(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 shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems 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 ?ISO2006 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or IsO's member body in the country of the requester. ISO copyright office Case postale 56.CH-1211Geneva 20 Tel. + 4122 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISo 2006 - All rights reserved without license from IHS Not for Resale ISO/TS 17431:2006(E) Contents Page Foreword Introduction 1 Scope 2 Normative references 3 Definitions 4 Principle... 5 Combustion chamber. 6 Ignition source .... 7 Measurement at the opening of the combustion chamber for toxicity assessment ... 8 Hood and exhaust duct.. 9 Instrumentation for measurement of gas in the exhaust duct.... 10 Systemperformance.. 11 Preparation of specimen.. 12 Testing. 13 Test report .... Annex A (informative) Instrumentation of combustion chamber.. Annex B (informative) Recommended ignition source ..... 15 Annex C (informative) Preparation of specimen, Bibliography ii from IHS Not for Resal ISO/TS 17431:2006(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeen International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. 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. technical committee may decide to publish other types of normative document: an IsO working group and is accepted for publication if it is approved by more than 50 % of the members of the parent committee casting a vote; committee and is accepted for publication if it is approved by 2/3 of the members of the committee casting a vote. An ISO/PAS or ISO/TS is reviewed after three years in order to decide whether it will be confirmed for a further three years, revised to become an International Standard, or withdrawn. If the ISO/PAS or ISO/TS is confirmed, it is reviewed again after a further three years, at which time it must either be transformed into an International Standard or be withdrawn. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO/TS 17431 was prepared by Technical Committee ISO/TC 92, Fire safety, Subcommittee SC 1, Fire initiation and growth. @ ISO 2006 - All rights reserved on for Standardizatior ISO/TS 17431:2006(E) Introduction under fire conditions by simulating such fire conditions in a