Phone: (011) 7541-421, 3409-301, 3409-335, 6547-293, 3409-310
E-mail: Standards sales: prodaja@iss.rs Education: iss-edukacija@iss.rs Information about standards: infocentar@iss.rs
Stevana Brakusa 2, 11030 Beograd
Main menu

ISO/CD 22755

Paints and varnishes — Contact angle of powders.

General information

30.60     Jun 24, 2026

ISO

ISO/TC 35/SC 9

International Standard

Scope

This document specifies the test methods for measuring the contact angle of powders. The sessile drop method is used for contact angles larger or equal to 90°. The Wilhelmy plate and liquid penetration (Washburn) methods are used for contact angles smaller than 90°. Time dependent effects are not considered in this document. The powders should not be soluble in the test liquid.

Life cycle

NOW

PROJECT
ISO/CD 22755
30.60 Close of voting/ comment period
Jun 24, 2026