ISO INTERNATIONAL STANDARD 2420 IULTCS/IUP 5 Third edition 2017-02 Leather Physical and mechanical tests - Determination of apparent density and mass per unit area Cuir - Essais physiques et mécaniques - Détermination de la masse volumique apparente et de la masse surfacique Reference numbers ISO 2420:2017(E) IULTCS/IUP 5:2017(E) International Organization for Standardization See=ZHEJIANG INST OF STANDARDIZATION C1 5956617 @IS02017 Not for Resale, 2017/5/11 02:22:56 nitted without license from IHS IS0 2420:2017(E) IULTCS/IUP 5:2017(E) COPYRIGHT PROTECTED DOCUMENT IS0 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form 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 Licensee-ZHEJIANG INST OF STANDARDIZoISQ37 -All rights reserved Not for Resale, 2017/5/11 02:22:56 networking permited without license from IHS IS0 2420:2017(E) IULTCS/IUP 5:2017(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references 3 Terms and definitions 4 Principle 5 Apparatus. 6 Sampling and sample preparation ..2 7 Procedure ..2 7.1 Test conditions .2 7.2 Measurement of thickness .2 7.3 Measurement of dimensions .2 7.4 Measurement of mass 3 8 Expression of results .3 8.1 Apparent density. .3 8.2 Mass per unit area. ..4 9 Test report 4 Inteainal oganzation @st(Sr2a747 - All rights reserved ii icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under I se with ISt ed without license from IHS Not for Resale, 2017/5/11 02:22:56