BS ISO BRITISH STANDARD 27448:2009 Fine ceramics (advanced ceramics, advanced technical ceramics) Test method for self- cleaning performance of semiconducting photocatalytic materials Measurement of water contact angle ICS 81.060.30 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BS ISO 27448:2009 National foreword This British Standard is the UK implementation of ISO 27448:2009. The UK participation in its preparation was entrusted to Technical Committee RPI/13, Advanced technical ceramics. 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. Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard Amendments/corrigendaissuedsincepublication was published under the authorityoftheStandards Policy and Strategy Date Comments Committee on 31 August 2009 CBSI2009 ISBN 978 0 580 67214 9 BS ISO 27448:2009 INTERNATIONAL ISO STANDARD 27448 First edition 2009-07-15 Fine ceramics (advanced ceramics, advanced technical ceramics) Test method for self-cleaning performance of semiconducting photocatalytic materials Measurement of water contact angle Ceramiques techniques Méthode d'essai de la performance auto nettoyante des materiaux photocatalytiques semiconducteurs- Mesurage de I'angle de contact de I'eau Reference number ISO 27448:2009(E) @ ISO 2009