ISO INTERNATIONAL STANDARD 12192 Second edition 2011-09-15 Paper and board Determination of compressive strength Ring crush method Papier et carton - Détermination de la résistance a la compression - Méthode d'écrasement en anneau Reference number ISO 12192:2011(E) LSO @ISO2011 y IHS under lic n or networking permitted without license from IHS Not for Resale ISO 12192:2011(E) COPYRIGHTPROTECTEDDOCUMENT ISO2011 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 address below or ISO's member body in the country of the requester. ISO copyright office Casepostale56·CH-1211Geneva 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 @ ISO 2011 -All rights reserved No reproductic etworking permitted without license from IHS Not for Resale ISO 12192:2011(E) Contents Page Foreword .. iv Introduction 1 Scope 2 Normative reference 3 Terms and definitions 4 Principle 5 Apparatus. 2 6 Sampling. 7 Conditioning 8 Preparation of test pieces. 9 Procedure. 10 Calculation of results 5 10.1 Ring crush resistance.. 5 10.2 Ring-crush-resistance index 11 Test report Annex A (informative) Precision Bibliography 10 ili e with I icense from IHS Not for Resale