ISO 19403-3:2024

International Standard   Current Edition · Approved on 04 September 2024

Paints and varnishes — Wettability — Part 3: Determination of the surface tension of liquids using the pendant drop method

ISO 19403-3:2024 Files

English 11 Pages
Current Edition
27.52 OMR

ISO 19403-3:2024 Scope

This document specifies a test method to measure the surface tension of liquids with an optical method using the pendant drop. The method can be applied for the characterization of liquid coating materials. If applied to liquids with non-Newtonian flow behaviour (as defined in ISO 3219-1:2021, 3.22), restrictions can apply.

NOTE       For other methods to determine the surface tension, see e.g. EN 14370 and ISO 1409.

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