ISO/TS TECHNICAL SPECIFICATION 5660-3 Firstedition 2012-12-01 Reaction-to-fire tests Heat release, smoke production and mass loss rate Part 3: Guidance on measurement Essais de réaction au feu-Debit calorifique, taux de degagement de fumee et taux de perte de masse- Partie3:Lignes directricesrelatives au mesurage Reference number IS0/TS5660-3:2012(E) LSO CopyightInternational OrganizatonforStandardization @IS02012 without license from IHS Not for Resale IS0/TS5660-3:2012(E) COPYRIGHTPROTECTEDDOCUMENT ISO 2012 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 addressbeloworIso'smemberbodyinthecountryoftherequester. ISo copyright office Case postale 56.CH-1211 Geneva 20 Tel.+41227490111 Fax+41227490947 E-mail copyright@iso.org Webwww.iso.org Published in Switzerland @ IS0 2012- All rights reserved No reproduction or networking permited without license from IHS Not for Resale IS0/TS5660-3:2012(E) Contents Page Foreword ..V Introduction. ..vi 1 Scope.. 2 Normative references 3 Capability and limitations of the conecalorimeter 4 Calibration ofthe cone calorimeter. .2 4.1 General .2 4.2 Heatfluxmeter calibration (see6.12 and 10.3.1ofIS05660-1:2002) .2 4.3 Calibration frequency. 2 4.4 Oxygen analyser calibration (see 10.1.5,10.1.6 and 10.2.3 of Is0 5660-1:2002) 4.5 Determining orifice plate calibration factor 4 4.6 Additionalcommentsontheorificecalibrationfactor .4 4.7 Calibrationof smokemeasurementsystem .5 4.8 Precautionsinrelationtowater/CO2removal .6 4.9 Routine maintenance .6 5 Test specimen preparation and presentation ..6 5.1 General .6 5.2 Specimen trays and edge retainer frame .8 6 Selection of heat flux .9 7 Ignition protocols ..11 8 Guidance on the testing of non-standard products .11 8.1 General .11 8.2 Non-planar products ..11 8.3 Radiation transfer considerations ..13 8.4 Thermally mobile specimens. .19 9 Composites and layered products 20 9.1 General 20 9.2 Non-homogeneous products. 20 9.3 Specimenswith shorttestduration 20 10 Liquids. .21 10.1 General 21 10.2 Testing withouttheradiant heater 21 10.3 Testing with the radiant heater ..22 11 The theory of oxygen consumption calorimetry .22 11.1 General .22 11.2 Silicones 23 11.3 Effectofadditives andfillers. .24 12 Start and end of test .25 12.1 Startoftest 25 12.2 Endoftest. .25 13 Recommendationsforpresentationofdata .25 13.1 Current situation. .25 13.2 Additional useful data .26 13.3 Recommendations. 29 AnnexA (informative)PredictivemethodsfromIs05660-1data .30 AnnexB(informative)Effectofadditivesandfillers .37 AnnexC (informative) Measurements at lowlevels of heat release ..40 iii ed without license from IHS Not for Resale