ISO INTERNATIONAL STANDARD 18468 First edition 2017-06 Ductile iron fittings, accessories and their joints and valves - Epoxy coating Raccords, accessoires et leurs assemblages et appareils de robinetterie en fonte ductile -Revétement époxy Reference number IS0 18468:2017(E) @ IS0 2017 Bodies Not for Resale, 06/20/2017 03:57:04 MDT IS0 18468:2017(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 copyright@iso.org www.iso.org @ IS0 2017 - All rights reserved ards Bodies Not for Resale, 06/20/2017 03:57:04 MDT IS0 18468:2017(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references 3 Terms and definitions 4 Routine test requirements .2 4.1 General 2 4.2 Surface preparation .3 4.3 Coating appearance. .3 4.4 Coating thickness. .3 4.5 Adhesion (pull off test/cross cut knife test) 3 4.6 Cross linkage (MIBK/△Tg) .3 4.7 Non-porosity .3 4.8 Repairs .4 5 Performance requirements ..4 5.1 General 4 5.2 Materials in contact with water intended for human consumption ..4 5.3 Materials in contact with sewage waters. ..4 5.4 Impact resistance .4 5.5 Resistance to hot water ..4 6 Test methods. 6.1 Routinetests .5 6.1.1 .5 Surface preparation 6.1.2 Coating appearance. 5 6.1.3 Coating thickness .5 6.1.4 Adhesion (pull off/cross cut knife test) .5 6.1.5 Cross linkage (MIBK/△Tg) .5 6.1.6 Non-porosity .5 6.2 Performance test .6 6.2.1 Impact resistance strength .6 6.2.2 Resistance to hot water .6 Annex A (normative) Quality assurance .7 Annex B (normative) Cross cut knife test method .9 Annex C (informative) Coating material ..10 Annex D (informative) Handling, transportation and storage ..11 Bibliography .12 taonrghtred iii ded by IHS under Not for Resale, 06/20/2017 03:57:04 MDT