ENIS0 19403-2 EUROPEANSTANDARD NORME EUROPEENNE EUROPAISCHE NORM September 2024 ICS 87.040 Supersedes EN IS0 19403-2:2020 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 - Mouillabilité - Partie 2: Beschichtungsstoffe - Benetzbarkeit - Teil 2: Détermination de I'énergie libre de surface des Bestimmung der freien Oberflachenenergie fester Oberflachen durch Messung des Kontaktwinkels (ISO surfaces solidespar la mesure deI'anglede contact (iS0 19403-2:2024) 19403-2:2024) This European Standard was approved by CEN on 17 August 2024. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthis European Standard the status ofa 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 translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centrehasthesamestatusastheofficialversions. 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 COMITEEUROPEEN DE NORMALISATION EUROPAISCHESKOMITEEFURNORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels @2024CEN Ref. No. EN ISO 19403-2:2024 E All rightsofexploitationinanyformandbyanymeansreserved worldwide for CEN national Members. EN IS0 19403-2:2024 (E) Contents Page European foreword... 2 EN IS0 19403-2:2024 (E) European foreword This document (EN IS0 19403-2:2024) has been prepared by Technical Committee IS0/TC 35 "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of an identical text or by endorsement, at the latest by March 2025, and conflicting national standards shall be withdrawn at the latest by March 2025.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/nationalcommittee.AcompletelistingofthesebodiescanbefoundontheCENwebsite. 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, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and the United Kingdom. Endorsement notice The text of IS0 19403-2:2024 has been approved by CEN as ENIS0 19403-2:2024 without any modification. 3