ISO INTERNATIONAL STANDARD 9073-8 First edition 1995-12-15 Textiles - Test methods for nonwovens Part 8: Determination of liquid strike-through time (simulated urine) Textiles-Méthodes d'essai pour nontissés Partie 8: Determination du temps de transpercement des liquides (urine artificielle) ISO Reference number ISO 9073-8:1995(E) No reproduction or networking permitted withou Not for Resale IS0 9073-8:1995(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 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 International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International a vote. International Standard ISO 9073-8 was prepared by Technical Committee ISO/TC 38, Textiles. isO 9073 consists of the following parts, under the general title Textiles -Testmethodsfornonwovens: Part 1: Determination of mass per unit area - Part 2: Determination of thickness Part 3: Determination of tensile strength and elongation - Part 4: Determination of tear resistance Part 7: Determination of bending length - Part 8: Determination of liquid strike-through time (simulated urine) Part 9: Determination of drape coefficient ISO1995 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 the publisher International Organizationfor Standardization CasePostale56·CH-1211Geneve20·Switzerland Printed in Switzerland mational Organization for Standardization No reproduction or networking permitted without license from IHS Not for Resale INTERNATIONAL STANDARD ISO ISO 9073-8:1995(E) Textiles - Test methods for nonwovens Part 8: Determination of liquid strike-through time (simulated urine) 1 Scope 3Definition This part of IsO 9073 specifies a method for measur- For the purposes of this part of ISO 9073, the follow- ing the time of liquid (simulated urine) strike-through ing definition applies. for nonwoven coverstocks. The method is suitable for making comparisons between different nonwoven 3.1 strike-through time: Time taken for a known coverstocks. It does not simulate in-use conditions for volume of liquid, applied to the surface of a piece of finished products. nonwoven coverstock with an absorbent pad under- neath, to pass through the nonwoven coverstock. NOTE 1 This International Standard describes a test method specific to nonwovens. Other International Stan- dards applicable to textile, paper, plastics, rubber or other materials can also be applied to test certain nonwoven 4Principle characteristics. A specified quantity of simulated urine is discharged at a specified rate under specified conditions onto a Normative references test piece of nonwoven which is placed on a refer- ence absorbent pad. The time taken for all the liquid The following standards contain provisions which to penetrate the nonwoven is measured electron- through reference in this text, constitute provisions ically. of this part of ISO 9073. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this 5 Material and reagents part of IsO 9073 are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO 5.1 Reference absorbent pad, consisting of five maintain registers of currently valid International layers of