ISO INTERNATIONAL STANDARD 12625-11 Second edition 2019-05 Tissue paper and tissue products Part 11: Determination of wet ball burst strength Papier tissue et produits tissue- Partie 11: Determination de la résistance a I'éclatement a I'état humide, méthode a la balle Reference number ISO 12625-11:2019(E) so @ IS0 2019 IS0 12625-11:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2019 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 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 CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved IS0 12625-11:2019(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references ..1 3 Terms and definitions 4 Principle ..2 5 Reagents. .2 6 Apparatus. .2 6.1 General .2 6.2 Clamping system .2 6.3 Penetration system 3 6.4 Force measuring system .3 6.5 Drive mechanism .4 6.6 Water application system .4 7 Sampling. 8 Conditioning. ..4 8.1 General .4 8.2 Rapid ageing (curing) ..4 9 Preparation of test pieces. .5 9.1 General .5 9.2 Preparation of test pieces 10 Procedure ..5 11 Calculation 12 Test report ..6 Annex A (informative) Precision .1 Annex B (informative) Adaptor. ..8 Bibliography .9 @ IS0 2019 - All rights reserved iii