ISO INTERNATIONAL STANDARD 2878 Fifth edition 2017-06 Rubber, vulcanized or thermoplastic Antistatic and conductive products Determination of electrical resistance Caoutchouc vulcanisé ou thermoplastiqueProduits antistatiques et conducteurs -Détermination de la résistance électrique Reference number ISO 2878:2017(E) International Organization for Standardization @ IS0 2017 ZHEJIANG INSTOFSTANDARDIZATION C15956617 vided by IHS underI ted without license from IHS IS0 2878:2017(E) COPYRIGHTPROTECTEDDOCUMENT 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. ISOcopyrightoffice 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 Internatinair PrganizationforStandardization ensee-ZHEJIANG INST.OF STANDARDIzARoISQa7 - All rights reserved Not for Resale, 2017/9/12 03:16:14 etworking permitted without license from IHS IS0 2878:2017(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions ..1 4 Principle .1 5 Apparatus and materials .2 5.1 Test instrument .2 5.2 Electrodes and contacts ..2 6 Calibration .2 7 Test conditions .2 7.1 Test atmospheres 23 7.2 Time-interval between forming and testing. 7.3 Temperature and humidity conditioning 3 7.4 Mechanical conditioning 3 8 Procedure 3 8.1 Cleaning. 3 8.2 Application of electrodes 3 8.3 Reconditioning. 3 8.4 Determination 4 8.5 Number of tests 4 6 Procedural details applicable to different products 4 9.1 Testsononesurface .4 9.2 Tests between two surfaces. 4 9.3 Tests on products bounded or clamped to metal parts .4 9.3.1 Products bonded or clamped to one metal part 4 9.3.2 Products bonded or clamped to two metal parts 9.4 Tests on tubing. .5 9.4.1 Tests between inside surface and outside surface. .5 9.4.2 Tests on tubing over 6 m in length. .5 9.4.3 Tests on tubing with permanently attached end fittings ..5 10 Test report .5 Annex A (normative) Calibration schedule .7 Bibliography 9 iii =ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under lic without license from IHS