prBAS EN ISO 19403-2:2025
Paints and varnishes - Wettability - Part 2: Determination of the surface free energy of solid surfaces by measuring the contact angle
General information
Status:Project
Number of pages:17
Adoption method:Proglašavanje
Language:engleski
Edition:2.
Realization date:18.11.2024
Forseen date for next stage code:02.04.2025
Technical committee:BAS/TC 39, Corrosion protection of materials
ICS:
87.040, Paints and varnishes
Abstract
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.
Lifecycle
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Original document and degree of correspondence
EN ISO 19403-2:2024, identical
ISO 19403-2:2024, identical
Relation to BAS standards
Work material
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