ISO INTERNATIONAL STANDARD 21227-1 First edition 2003-08-01 Paints and varnishes Evaluation of defects on coated surfaces using optical imaging - Part 1: General guidance Peintures et vernis - Evaluation par imagerie optique des défauts des surfacesrevetues- Partie 1: Lignes directrices generales Reference number ISO 21227-1:2003(E) ISO @ISO2003 No r py IHS under lic itted without license from IHS Not for Resale ISO 21227-1:2003(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The IsO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ?ISO2003 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2003 - All rights reserved ermittedwithoutlicense from IHS Not for Resale ISO 21227-1:2003(E) Contents Page Foreword. .iv Introduction 1 Scope. 2 Normative references 3 Terms and definitions. 4 Principle. 5 5 Requirements Annex A (informative) Standards for visual assessment of coating defects Bibliography ... Copyright Intematioal Organization or standadization rights reserved ili by IHS under Not for Resale ISO 21227-1:2003(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 IsO technical committees. Each member body interested in a subject for which a technical committee has beer non-governmental,inliaisonwithIsO,also take part in the work.Iso collaborates closely with the InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. 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. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 21227-1 was prepared by Technical Committee ISO/TC 35, Paints and varnishes, Subcommittee SC 9, General test methods for paints and varnishes. Iso 21227 consists of the following parts, under the general title Paints and varnishes Evaluation of defects on coated surfaces using optical imaging: Part 1: General guidance Part 2: Evaluation procedure for results of multi-impact stone-chipping test Part 3: Evaluation procedure for delamination and corrosion around a scribe At the time of publication of this part of IsO 21227, Parts 2 and 3 were in preparation @ ISO 2003 - All rights reserved onal Organization for Standardizatior Not for Resale ISO 21227-1:2003(E) Introduction Conventional iso test methods used for evaluating surface defects and appearance changes often utilize pictorial standards which depict particular types of surf