ISO 3233-2:2019 Paints and varnishes - Determination of percentage volume of non-volatile matter - Part 2: Method using the determination of non-volatile-matter content in accordance with ISO 3251 and determination of dry film density on coated test panels by the Archimedes' principle

The International Organization for Standardization (ISO) — 2019-08 — 15 p.
This document specifies a method for determining the non-volatile matter by volume (NVᵥ) of coating materials by determining the practical dry-film density. This method determines the volume percentage of non-volatile matter in paints, varnishes and related products by measuring the density of a dry coating for any specified temperature range and period of drying or curing. The non-volatile matter content is determined in accordance with ISO 3251.
Using the non-volatile matter by volume results obtained in accordance with this document, it is possible to calculate the practical spreading rate of coating materials. This method specifies an additional shape of plate to those described in ISO 3233-1 and is suitable for all products which can be applied by dipping.
It is a Part 1 of ISO 3233 and there are other parts:
- ISO 3233-1 for determining percentage volume of non-volatile matter by practical way.
- ISO 3233-3 for determining percentage volume of non-volatile matter in accordance with ISO 3251 by theoretical way (calculation).
This document is not applicable to coating materials in which the critical pigment volume concentration is exceeded.