Paints and varnishes - Wettability - Part 4: Determination of the polar and dispersive fractions of the surface tension of liquids from an interfacial tension
NORM herausgegeben am 1.4.2025
Designation standards: ČSN EN ISO 19403-4
Classification mark: 673058
Catalog number: 520766
Publication date standards: 1.4.2025
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN
This document specifies a test method to determine the polar and dispersive fractions of the surface tension of liquids from an interfacial tension with optical methods. The method can be applied for the characterization of liquid coating materials, especially if drying effects occur during alternative measurement. If applied to liquids with non-Newtonian flow behaviour (see ISO 3219-1:2021, 3.22), restrictions can apply