ISO INTERNATIONAL STANDARD 5659-2 Fourth edition 2017-05 Plastics Smoke generation - Part 2: Determination of optical density by a single-chamber test Plastiques-Productiondefumée- Partie 2:Détermination de la densite optique parun essai en enceinteunique Referencenumber IS05659-2:2017(E) iso Intemational Organization for Standardization @IS02017 =ZHEJIANG INST OF STANDARDIZATION C15956617 ted without license from IHS IS05659-2:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS02017,Published inSwitzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Ch. de Blandonnet 8. CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +4122 749 09 47 [email protected] www.iso.org Intemationaibr PrganizationforStandardization Uicensee-ZHEJIANG INST OF STANDARDIZoISQ 3q,7 -All rights reserved etworking permitted without license from IHS NotforResale, 2017/8/21 02:45:45 IS0 5659-2:2017(E) Contents Page Foreword ..V Introduction.. ...vi 1 Scope 2 Normative references 3 Terms and definitions 4 Principles of the test. ..3 5 Suitability of a material or product for testing .3 5.1 Material or product geometry .3 5.2 Surface characteristics .3 5.3 Asymmetrical products .3 6 Specimen construction and preparation .4 6.1 Number ofspecimens 6.2 Size of specimens .4 6.3 Specimen preparation .4 6.4 Conditioning .5 6.5 Wrapping of specimens .5 7 Apparatus and ancillary equipment 7.1 General .5 7.2 Testchamber .6 7.2.1 Construction 6 7.2.2 Chamberpressure controlfacilities .6 7.2.3 Chamberwalltemperature. .9 7.3 Specimen support and heating arrangements .10 7.3.1 Radiator cone. .10 7.3.2 Framework for support of the radiator cone, specimen holder and heat fluxmeter... ..10 7.3.3 Radiator shield. ..13 7.3.4 Heat flux meter. .13 7.3.5 Specimen holder .14 7.3.6 Pilotburner ..14 7.4 Gas supply .15 7.5 Photometric system. .15 7.5.1 General. .15 7.5.2 Lightsource .15 7.5.3 Photodetector. .15 7.5.4 Additional equipment. ..17 7.6 Chamber leakage .17 7.7 Cleaning materials .18 7.8 Ancillary equipment. .18 7.8.1 Balance .18 7.8.2 Timing device ..18 7.8.3 Linearmeasuring devices .18 7.8.4 Auxiliary heater. .18 7.8.5 Protective equipment .18 7.8.6 Recorder. .18 7.8.7 Water-circulating device .18 8 Test environment .18 9 Setting-up and calibration procedures ..19 9.1 General. ..19 9.2 Alignmentofphotometricsystem ..19 9.2.1 General ..19 ntemational oganzation @sIS2017 - All rights reserved iii LicenSee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 ithout license from IHS