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EVS-EN 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)

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Kehtiv alates 01.10.2024
Alusdokumendid
ISO 19403-2:2024; EN ISO 19403-2:2024
Tegevusala (ICS grupid)
87.040 Värvid ja lakid
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Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
01.10.2024
Põhitekst
02.03.2020
Põhitekst
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.

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