EN IS0 19403-2 EUROPEANSTANDARD NORMEEUROPEENNE EUROPAISCHE NORM September2024 ICS 87.040 Supersedes ENIS019403-2:2020 English Version Paints and varnishes - Wettability -Part 2:Determination of the surface free energy of solid surfaces by measuring the contact angle (IS0 19403-2:2024) Peintures et vernis - Mouillabilite - Partie 2: Beschichtungsstoffe - Benetzbarkeit - Teil 2: Determination de I'energie libre de surface des Bestimmung der freien Oberflachenenergie fester surfaces solides par la mesure de I'angle de contact Oberflachen durch Messung des Kontaktwinkels (IS (IS0 19403-2:2024) 19403-2:2024) This European Standard was approved by CEN on 17 August 2024. 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 concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITEEUROPEENDENORMALISATION EUROPAISCHESKOMITEEFURNORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels @2024CEN All rights of exploitation in any form and by any means reserved Ref. No. EN IS0 19403-2:2024 E worldwide for CEN national Members. ENIS019403-2:2024 (E) Contents Page 2 ENIS0 19403-2:2024 (E) European foreword This document (ENIS019403-2:2024)has been prepared byTechnical Committee IS0/TC35"Paints and varnishes"in collaboration with Technical Committee CEN/TC 139"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of an identical text or by endorsement, at the latest by March 2025, and conflicting national standards shall be withdrawn at the latest by March 2025. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document supersedes EN IS0 19403-2:2020. Any feedback and questions on this document should be directed to the users' national standards body/national committee.A complete listing ofthesebodies can befound on the CEN website. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and the United Kingdom. Endorsement notice The text of IS019403-2:2024 has been approved by CEN as ENIS019403-2:2024 without any modification. 3