BS EN ISO 4628-1:2016 BSl Standards Publication Paints and varnishes - Evaluation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 1: General introduction and designation system bsi. ..making excellence a habit. BRITISH STANDARD BS EN ISO 4628-1:2016 National foreword This British Standard is the UK implementation of EN ISO 4628-1:2016. It supersedes BS EN ISO 4628-1:2003 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee STI/10, Test methods for paints. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. @The British Standards Institution 2016. Published by BSI Standards Limited 2016 ISBN9780580843006 ICS 87.040 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Amendments/corrigenda issued sincepublication Date Text affected EN IS0 4628-1 EUROPEANSTANDARD NORMEEUROPEENNE EUROPAISCHE NORM February2016 ICS 87.040 SupersedesENIS04628-1:2003 EnglishVersion Paints andvarnishes-Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 1: General introduction and designation system (Is0 4628 1:2016) Peintures et vernis - Evaluation de la degradation des Beschichtungsstoffe -Beurteilung von revetements - Déesignation de la quantite et de la Beschichtungsschaden - Bewertung der Menge und der dimension des defauts, et de I'intensite des Grofevon Schaden und der Intensitatvon changements uniformes d'aspect- Partie 1: gleichmafsigen Veranderungen im Aussehen - Teil 1: Introduction generale et systeme de désignation (ISO Allgemeine Einfuhrung und Bewertungssystem (ISO 4628-1:2016) 4628-1:2016) This European Standard was approvedby CEN on19December 2015. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.Up-to-date lists and bibliographical references member. This European Standard exists in three official versions (English, French, German). A version in any other language made by Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG CEN-CENELECManagementCentre:AvenueMarnix17,B-1000Brussels @2016CEN All rights of exploitation in any form and by any means reserved Ref.No.EN ISO 4628-1:2016 E worldwide for CEN national Members. BS EN ISO 4628-1:2016 ENIS0 4628-1:2016 (E) European foreword This document (EN IS0 4628-1:2016) has been prepared by Technical Committee IS0/TC 35"Paints and varnishes"in collaboration with Technical Committee CEN/TC139"Paints and varnishes"the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latestby August 2016,and conflicting national standards shall bewithdrawnatthe latestby August2016. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document supersedes ENIS04628-1:2003. According to the CEN-CENELEC