International ISO Standard ISO12625-5 Third edition Tissue paper and tissue products - 2024-05 Part 5: Determination of wet tensile strength Papier tissue et produits tissue Partie 5: Détermination de la résistance a la rupture par traction a I'état humide Referencenumber IS0 12625-5:2024(en) @ ISO 2024 IS0 12625-5:2024(en) COPYRIGHT PROTECTED DOCUMENT @ IS02024 be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on or ISo's member body in the country of the requester. ISO copyright office CP 40i : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: copyright@iso.org Website: www.iso.org Published in Switzerland @ IS0 2024 - All rights reserved i IS0 12625-5:2024(en) Contents Page Foreword. ..iv 1 Scope .1 2 Normative references .1 3 Terms and definitions. .1 4 Principle .2 5 .2 Apparatus. Vertical tensile-strength-testing apparatus .2 5.1 5.1.1 Tensile-strength-testing apparatus .2 Tensile-testing apparatus clamps 5.1.2 5.1.3 Finch Cup soaking device. .3 5.2 Horizontal tensile-strength-testing apparatus ..4 5.2.1 Tensile-strength-testing apparatus .4 .4 5.2.2 Tensile-testing apparatus clamps 5.2.3 ..5 Soaking device. 5.3 Cutting device. .5 6 Conditioning .5 .5 7 Preparation of test pieces .5 7.1 General. 7.2 Accelerated ageing (curing) ..5 7.3 Dimensions .6 Vertical tensile-strength-testing apparatus 7.3.1 .6 ..6 7.3.2 Horizontal tensile-strength-testing apparatus 7.4 Number of test pieces. ..6 8 Procedure .6 Calibration and adjustment of the testing apparatus. 8.1 ..6 Vertical test method 8.2 ..6 8.2.1 Mounting the Finch Cup soaking device Measurement 8.2.2 8.3 Horizontal test method. .7 8.3.1 Wettensilestrengthmeasurement Wet-tensile-strength retention measurement 8.3.2 ..8 Calculation. 9 .9 9.1 ..9 General 9.2 Wet tensile strength ..9 9.3 Mean wet tensile strength retention .9 Test report 10 10 Annex A (informative) Precision .11 Bibliography. .15 @ IS0 2024 - All rights reserved iii