
Paints and varnishes – Wettability – Part 4: Determination of the polar and dispersive fractions of the surface tension of liquids from an interfacial tension (ISO 19403-4:2017); German and English version prEN ISO 19403-4:2019
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
This document specifies a test method to determine the polar and dispersive fraction of the surface tension of liquids with optical methods.