ISO 3233-1:2019 PDF

Paints and varnishes — Determination of percentage volume of non-volatile matter — Part 1: Method using a coated test panel to determine non-volatile matter and to determine dry-film density by the Archimedes' principle

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Title (English):

ISO 3233-1:2019

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 13
Publication date:: November 15, 2019
Edition:: ISO IS 3233 edition 2 version 1
ICS:: 87.040

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Description (English):

This document specifies a method for determining the non-volatile matter by volume (NVV) of coating materials and related products by measuring the density of a dried coating for any specified temperature range and period of drying or curing. This method determines the non-volatile matter immediately after application. Using the non-volatile matter by volume results obtained in accordance with this document, it is possible to calculate the spreading rate of coating materials. The method specified in this document is the preferred method for air-drying materials. Its use for other materials has not yet been tested. Annex B gives an overview of the existing methods for determination of non-volatile-matter content and volume of non-volatile matter. This document is not applicable to coating materials in which the critical pigment volume concentration is exceeded.

Technical details

Technical committee: ISO/TC 35/SC 9 - General test methods for paints and varnishes
SKU: ISO 3233-1:2019

Abstract

Overview

ISO 3233-1:2019 - Paints and varnishes - Determination of percentage volume of non-volatile matter - Part 1 specifies a laboratory method to determine the non-volatile matter by volume (NVV) and the practical dry‑film density of coatings. The method uses a coated test panel (disc or plate) and the Archimedes’ principle (weighing in air and in an immersion liquid) to measure the volume of a dried coating for any agreed temperature and drying/curing period. ISO 3233-1:2019 is the preferred method for air‑drying materials and is not applicable when the critical pigment volume concentration (CPVC) is exceeded.

Key topics and technical requirements

Principle: Determine dry coating mass and displaced fluid volume by weighing the coated receptacle in air and immersion liquid; compute dry‑film density and NVV.
Outputs: Practical dry‑film density (ρp), non‑volatile matter by volume (NVV), and derived spreading rate (coverage per unit volume at a specified dry thickness).
Apparatus & reagents: analytical balance (0.1 mg), receptacles (discs ~60 mm or plates ~75×120 mm), hooks/cradles, beaker/immersion liquid (typically distilled water), desiccator, forced‑ventilation air oven.
Procedure essentials:
- Apply sample to panel by dipping, brushing or applicator; perform determinations in triplicate.
- Dry/ cure under specified temperature/time (see Annex A for examples); a minimum coated mass on plate is required (25 mg added in this edition).
- Compute NVV from the ratio of liquid coating density to dry‑film density.
Scope limits: Designed for measurements immediately after application; use for non‑air‑drying or highly reactive systems has not been fully validated. Not suitable above CPVC due to film porosity.
Normative references: ISO 1513, ISO 2811 (density methods), ISO 4618 (terms), ISO 15528 (sampling).

Applications and users

Quality control and R&D in paint and varnish manufacturing
Coating formulators validating formulation solids and coverage
Independent testing laboratories and certification bodies verifying spreading rate and NVV
Specifiers and procurement teams assessing coating performance and material economy
Regulatory or compliance testing where standardized NVV measurement is required

Related standards

ISO 3233 series (other parts)
ISO 1513 - sample preparation
ISO 2811 - density determination
ISO 4618 - terminology
ISO 15528 - sampling

Keywords: ISO 3233-1:2019, non-volatile matter by volume, NVV, dry-film density, Archimedes’ principle, paint testing, spreading rate, air-drying coatings, coating density.

Related standards

Standards mentioned in the description

Abstract

Overview

Key topics and technical requirements

Principle: Determine dry coating mass and displaced fluid volume by weighing the coated receptacle in air and immersion liquid; compute dry‑film density and NVV.
Outputs: Practical dry‑film density (ρp), non‑volatile matter by volume (NVV), and derived spreading rate (coverage per unit volume at a specified dry thickness).
Apparatus & reagents: analytical balance (0.1 mg), receptacles (discs ~60 mm or plates ~75×120 mm), hooks/cradles, beaker/immersion liquid (typically distilled water), desiccator, forced‑ventilation air oven.
Procedure essentials:
- Apply sample to panel by dipping, brushing or applicator; perform determinations in triplicate.
- Dry/ cure under specified temperature/time (see Annex A for examples); a minimum coated mass on plate is required (25 mg added in this edition).
- Compute NVV from the ratio of liquid coating density to dry‑film density.
Scope limits: Designed for measurements immediately after application; use for non‑air‑drying or highly reactive systems has not been fully validated. Not suitable above CPVC due to film porosity.
Normative references: ISO 1513, ISO 2811 (density methods), ISO 4618 (terms), ISO 15528 (sampling).

Applications and users

Quality control and R&D in paint and varnish manufacturing
Coating formulators validating formulation solids and coverage
Independent testing laboratories and certification bodies verifying spreading rate and NVV
Specifiers and procurement teams assessing coating performance and material economy
Regulatory or compliance testing where standardized NVV measurement is required

Related standards

ISO 3233 series (other parts)
ISO 1513 - sample preparation
ISO 2811 - density determination
ISO 4618 - terminology
ISO 15528 - sampling

Keywords: ISO 3233-1:2019, non-volatile matter by volume, NVV, dry-film density, Archimedes’ principle, paint testing, spreading rate, air-drying coatings, coating density.

ISO 3233-1:2019 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

Applications and users

Related standards

Related standards

Abstract

Overview

Key topics and technical requirements

Applications and users

Related standards

Related standards

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Paints and varnishes - Vocabulary (ISO 4618:2023)

Paints, varnishes and raw materials for paints and varnishes - Sampling (ISO 15528:2020)

Paints and varnishes - Determination of percentage volume of non-volatile matter - Part 1: Method using a coa…