ISO INTERNATIONAL STANDARD 11503 First edition 1995-07-15 ANsi Internat Doc Sec Paints and varnishes -Determination of resistance to humidity (intermittent condensation) Peintures et vernis -- Détermination de la resistance a I'humidite (par condensation intermittente) OSI Reference number ISO 11503:1995(E) No reproduction or networking permited without license from IHS Not for Resale IS011503:1995(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (sO member bodies). The work of preparing International Standards is normally carried out through IsO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. IsO collaborates closely with the International Electrotechnical Commission (lEC)on allmatters of electrotechnical standardization. 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. International Standard ISO 11503 was prepared by Technical Committee iSO/TC 35. Paints and varnishes, Subcommittee SC 9. General test methods for paints and varnishes. AnnexAformsanintegralpartofthisInternationalStandard. ISO1995 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-1211Geneve 20·Switzerland Printed in Switzerland ional Organization for Standardization Copyright Interr Noreproduction or networking permited withoutlicense from IHS Provided by IHS under license with IS Not for Resale ISO ISO11503:1995(E) Introduction There is seldom a direct relationship between the resistance of organic coatings to the action of humidity and the resistance to deterioration in factors infiuencing the progress of deterioration varies greatly with the conditions encountered.'Therefore, the results obtained in this test should not be regarded as a direct guide to the resistance of the tested coatings in all environments where these coatings may be used. Also, performance of different coatings in the test should not be taken as a direct guide to method described gives a means of checking that the quality of a paint or paint system is being maintained. !! yhenatinalganzatiSandardizati No reproduction or networking permited without license from IHS Not fr Resale