ISO INTERNATIONAL 21367 STANDARD First edition 2007-05-01 Plastics Reaction to fire Test method for flame spread and combustion product release from vertically oriented specimens Plastiques-Reaction au feu-Methode d'essai depropagation de flamme et de degagementdeproduits de combustion apartir d'eprouvettesorienteesverticalement Referencenumber ISO 21367:2007(E) @ISO2007 ISO21367:2007(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 downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The IsO Central Secretariat accepts no liability in this area. Adobe is atrademark 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 the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below COPYRIGHTPROTECTEDDOCUMENT ISO 2007 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 Casepostale56.CH-1211Geneva20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii ISo 2007-All rights reserved ISO21367:2007(E) Contents Page Foreword. iv 1 Scope. 2 Normative references.. 3 Terms and definitions.. 4 Symbols 5 General principles. 6 Test apparatus . 7 Test specimen.. 13 7.1 Surfacecharacteristics 13 7.2 Exposed surface .... 13 7.3 Numberandsizeofspecimen 13 7.4 Constructionof specimen.. 14 7.5 Conditioning of specimens 14 7.6 Preparation.... 14 8 Testenvironment 16 9 .16 Calibration.... 9.1 Preliminary calibration. 16 9.2 Operatingcalibrations. 17 9.3 Less frequent calibrations. 18 10 Testprocedul 19 10.1 Warning. 19 10.2 Initialpreparation. 19 10.3 Procedure 20 11 Calculation... 21 11.1 Calibration constant for oxygen consumption analysis.. 21 11.2 Heat release rate .... 21 11.3 Exhaust duct flow rate... 22 11.4 Smoke production rate (SPR)... 22 12 Test report .... AnnexA (normative)Additional calculations... Annex B (informative)Simplified version of the apparatus... Annex C (informative)Repeatability of the test method.... Annex D (informative) Calibration of the working heat flux meter. Bibliography... @ ISO 2007 - All rights reserved ii ISO21367:2007(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies non-governmental, in liaison with IsO, also take part in the work. Iso collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/lECDirectives,Part2 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. ISO21367 was prepared by Technical Committee ISO/TC 61,Plastics, Subcommittee SC 4, Burning behaviour. iv ISO 2007-All rights reserved INTERNATIONAL STANDARD ISO 21367:2007(E) Plastics Reaction to fire Test method for flame spread and combustion product release from vertically orientedspecimens WARNINGAvoidance of misleading inferences This standard method of test should be use