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ISO 19403-4:2024

Paints and varnishes — Wettability — Part 4: Determination of the polar and dispersive fractions of the surface tension of liquids from an interfacial tension

Publication date:   Oct 18, 2024

General information

60.60   Standard published   Oct 18, 2024

ISO

ISO/TC 35/SC 9 General test methods for paints and varnishes

International Standard

87.040   Paints and varnishes

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 19403-4:2017

NOW

PUBLISHED
ISO 19403-4:2024
60.60 Standard published
Oct 18, 2024