ISO INTERNATIONAL STANDARD 25947-4 First edition 2017-04 Fireworks Categories 1, 2 and 3 - Part 4: Test methods Artifices de divertissement-Categories 1, 2 et 3- Partie 4: Méthodes d'essai Reference number ISO 25947-4:2017(E) os1 International Organization for Standardization @ IS0 2017 =ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under lic itted without license from IHS IS0 25947-4:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2017, Published in Switzerland 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. ISO copyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Internatinair PrganizationforStandardization nsee-ZHEJIANG INSTOFSTANDARDIZAoSQa7 - All rights reserved etworking permitted without license from IHS IS0 25947-4:2017(E) Contents Page Foreword ..V 1 Scope .1 2 Normative references 3 Terms and definitions 4 Test environment 4.1 General. ..1 4.2 Indoor. 4.3 Outdoor .2 4.3.1 General. .2 4.3.2 Category 1 2 4.3.3 Category 2. ..2 4.3.4 Category 3. .2 4.4 Monitoring height. .2 5 Apparatus .2 6 Test methods. ..7 6.1 General. .7 6.2 Construction and stability .8 6.2.1 Length of handle. .8 6.2.2 Attachment of separate handle .8 6.2.3 Length of item. 6.2.4 Length of pull-string or pull-strip .9 6.2.5 Determination of diameter 6.2.6 Attachmentofinitialfuse .9 6.2.7 Attachment of sealing paper, ignition head or friction head 6.2.8 Resistance to ignition by an abrasive surface. ..10 6.2.9 Height of initial fuse for mounted wheels in category 3 .10 6.3 Design - Verification .10 6.3.1 General. .10 6.3.2 Conformity to drawings and part lists ..10 6.3.3 Pyrotechnic composition - Determination of net explosive content or .10 totalNEC 6.4 Paper tests. ..11 6.4.1 Test for burning or incandescent matter .11 6.4.2 Test for horizontal projected debris. ..12 6.4.3 Test for vertical projected debris ..14 6.5 Angle of ascent and height of effects. ..17 6.5.1 Apparatus .17 6.5.2 Procedure for double bangers and double flash bangers .17 6.5.3 Procedure for items other than double bangers and double flash bangers .17 6.6 Measurement of sound pressure level. ..17 6.6.1 General measurement for outdoors ..17 6.6.2 Party poppers for indoors. ..18 6.6.3 Christmas crackers and snaps for indoors .19 6.7 Timing measurement. 20 6.7.1 Apparatus.. .20 6.7.2 Procedure. .21 6.8 Measuring of labelling 21 6.8.1 Apparatus. 21 6.8.2 Procedure.. 21 6.9 Extinguishing of flames 21 6.9.1 Apparatus. .21 6.9.2 Procedure .21 iii Isee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 ed without license from IHS Not for Resale, 2017/5/16 00:34:09