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prSSH EN ISO 19403-2:2024

Bojra dhe llaqe - Lagështia - Pjesa 2: Përcaktimi i energjisë së lirë sipërfaqësore të sipërfaqeve të ngurta duke matur këndin e kontaktit (ISO 19403-2:2024)

Paints and varnishes - Wettability - Part 2: Determination of the surface free energy of solid surfaces by measuring the contact angle (ISO 19403-2:2024)

General information

40.60     7 maj 2025

50.99    23 sht 2025

DPS

DPS/KT 298

European Norm

87.040  

Scope

This document specifies a test method to measure the contact angle for the determination of the surface free energy of a solid surface. The method can be applied for the characterization of substrates and coatings.
NOTE 1    For the determination of the surface free energy of polymers and coatings, it is preferred to use either the method according to Owens, Wendt, Rabel and Kaelble or the method according to Wu.
NOTE 2    The morphological and chemical homogeneity have an influence on the measuring results. The procedures indicated in this document are based on the state-of-the-art employing the drop projection method in penumbral shadow. Other methods are not excluded.
Measuring the contact angle on powders is not part of this document.

Life cycle

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IN_DEVELOPMENT
prSSH EN ISO 19403-2:2024
40.60 Close of voting
7 maj 2025

Related project

Adopted from EN ISO 19403-2:2024 IDENTICAL

Adopted from ISO 19403-2:2024 IDENTICAL