ISO INTERNATIONAL STANDARD 3781 Third edition 2011-09-01 Paper and board Determination of tensile strength after immersion in water Papier et carton - Determination de la resistance a la traction apres immersiondansI'eau Reference number ISO 3781:2011(E) @ ISO 2011 ISO 3781:2011(E) COPYRIGHT PROTECTED DOCUMENT @ISO2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, 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 @ ISO 2011 - All riahts reserved ISO 3781:2011(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with Iso, also take part in the work. Iso collaborates closely with the InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization International Standards are drafted in accordance with the rules given in the ISO/lEc Directives, Part 2. adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent ISO 3781 was prepared by Technical Committee ISO/TC 6, Paper, board and pulps, Subcommittee SC 2. Testmethodsandqualityspecificationsforpaperandboard addition, precision data have been added.