ISO INTERNATIONAL STANDARD 7202 Third edition 2018-08 Fire protection - Fire extinguishing media Powder Protection contre I'incendie-Agents extincteurs-Poudres Referencenumber IS0 7202:2018(E) ISO @ IS0 2018 IS0 7202:2018(E) COPYRIGHTPROTECTEDDOCUMENT IS02018 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+4122749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2018 - All rights reserved IS0 7202:2018(E) Contents Page Foreword ..V Introduction. ..vi 1 Scope. 2 Normative references 3 Terms and definitions 4 Sampling. 5 Characterization statementandrequirements .2 5.1 General. .2 5.2 Bulk density .2 5.3 Sieve analysis .2 5.4 Chemical content. .2 5.5 ContentofmonoammoniumphosphateinClassABCpowders .3 5.6 Toxicity. .3 Fire test performance ..3 6 6.1 General .3 6.2 Class A. ..4 6.3 Class B. .4 6.4 Class C. ..4 6.5 Class D .4 7 Fluidity testing ..4 8 Resistance to caking and lumping ..4 9 Water repellence .4 10 Moisture content ..4 11 Electrical insulation value .5 12 Moisture absorbance .5 13 Test methods. .5 .5 13.1 Bulk density 13.1.1 Apparatus. 5 13.1.2 Procedure. .5 13.2 Sieve analysis .6 13.2.1 General. .6 13.2.2 Method 1 6 13.2.3 Method 2 .6 13.3 Performancemethodsfortestfires 7 13.3.1 Ratingsuitabilityforthevariousclassesoffire .7 13.4 Fluidity testing. 7 13.4.1 .7 Apparatus 13.4.2 Procedure .8 13.4.3 Result .8 13.5 Testforresistanceto cakingand lumping .9 13.5.1 .9 Apparatus 13.5.2 Procedure. .10 13.6 Water repellence test. .10 13.6.1 Apparatus. .10 13.6.2 Procedure .10 13.7 Test methodfor moisture contentAbsorbanceby sulfuric acid .10 13.7.1 Apparatus. .10 13.7.2 Procedure. ..10 13.8 Electrical insulation test .11 @IS0 2018 -All rights reserved ili