ISO INTERNATIONAL 1997 STANDARD Third edition 2018-10-15 Granulated cork and cork powder Classification, properties and packing Granules et poudre de liege-Classification, caracteristiques et emballage Reference number ISO 1997:2018(E) ISO @IS0 2018 IS0 2018, 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 copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org ii @ ISo 2018 - All rights reserved Contents Page Foreword ..iv Introduction. .. 1 Scope. 2 Normative references 3 Terms and definitions 4 Classification 4.1 Classification by grain size .1 4.2 Classification bybulk density .1 ..2 5 Designation 6 Properties .2 6.1 Granule size .2 6.2 Bulk density 6.3 Moisture. .2 6.4 Cork powder content. 7 Sampling. ..2 8 Packing. ..2 9 Marking Bibliography .3 @IS0 2018 -All rights reserved ili