GB/T 21782.2-2025 in English

This standard outlines a method for determining the density of powder coatings using a gas comparison hydrometer, which is recognized as the arbitration method. The procedure specifies the equipment, testing conditions, and calculation methods required to ensure accurate and consistent results. It provides detailed guidelines on sample preparation, measurement techniques, and data interpretation. The standard is applicable to powder coatings used in various industrial applications. It establishes a uniform approach for density measurement, facilitating quality control and compliance with specified requirements. The method is designed to be reliable and reproducible under defined conditions.