ISO INTERNATIONAL STANDARD 7211-5 Second edition 2020-08-14 Textiles Methods for analysis of woven fabrics construction Part 5: Determination of linear density of yarn removed from fabric Textiles-Methodes d'analyse de la construction des tissus Partie 5: Détermination de la masse lineique d'un fil prélevé dansun tissu Reference number IS0 7211-5:2020(E) ISO @ISO 2020 IS0 7211-5:2020(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2020, Published in Switzerland All rights reserved. Unless otherwise specified, 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 Ch. de Blandonnet 8. CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org i @ IS0 2020 - All rights reserved IS07211-5:2020 Contents Page Foreword .iv Introduction ..V 1 Scope. ..1 2 Normativereferences 3 Terms and definitions 4 Principle ..1 5 Apparatus .2 6 Conditioningandtestingatmosphere .2 7 Test specimens .2 8 Procedure of determination of lineardensityof yarn removed fromfabricwithout removalofnon-fibrousmatter .2 2 8.1 Separation ofthreads and measurement of length 8.2 Method A-Conditioning to equilibrium with the standard atmosphere .2 8.3 Method B-Oven-dry plus agreed moisture regain. .2 9 Procedure of determinationof linear densityof yarn removed fromfabric after removal of non-fibrous matter. .3 33 9.1 Separationofthreadsandmeasurementoflength 9.2 Removal ofnon-fibrous matter. 10 Calculation and expression of results 3333 10.1 General 10.2 Method A 10.3 Method B 11 Test report .4 @IS0 2020 -All rights reserved ili