ISO INTERNATIONAL STANDARD 16945 First edition 2014-04-01 Corrugating medium Determination of the edge crush resistance after laboratory fluting Papier cannelure pour carton ondulé-Détermination de la résistance a la compression sur chant apres cannelage en laboratoire Reference number ISO 16945:2014(E) LSO @ IS0 2014 HS under Not for Resale IS0 16945:2014(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2014 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 Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2014 - All rights reserved No reproductic networking permitted without license from IHS Not for Resale IS0 16945:2014(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Principle .1 5 Apparatus ..2 6 Sampling. ..4 7 Conditioning. ..4 8 Preparation of test pieces ..4 9 Procedure. ..4 9.1 General. 4 9.2 Testing immediately after fluting 4 9.3 Testing after 30 min of reconditioning ..4 9.4 Fluting and testing. 4 10 Calculation 5 10.1 Edge crush resistance 5 10.2 Edge crush resistance index .5 11 Test report .5 Annex A (informative) Precision. ..7 Annex B (informative) Maintenance of fluting rolls (horizontal type) .9 Bibliography .10 iii se with IS thout license from IHS Not for Resale