ISO INTERNATIONAL 13805 STANDARD First edition 1999-12-01 Vitreous and porcelain enamels for aluminium Determination of the adhesion of enamels on aluminium under the action of electrolytic solution (spall test) Emaux vitrifiés deposés sur I'aluminium Détermination de I'adhérence a I'aide d'un électrolyte (essai d'écaillage) ISO Reference number ISO 13805:1999(E) ISO 13805:1999(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 sO technical liaison with IsO, also take part in the work. IsO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEc Directives, Part 3. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. coatings. @ISO1999 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. InternationalOrganizationforStandardization Case postale 56· CH-1211 Geneve 20· Switzerland Internet [email protected] Printed inSwitzerland IS0 13805:1999(E) @ISO Introduction