GB/T 9989.3-2025 in English

This standard specifies a method for determining the resistance of enameled products to chemical corrosion using hexagonal or quadrilateral glass containers for testing in alkaline solutions. It outlines the necessary equipment, test conditions, and procedures to evaluate the performance of enameled materials under specific chemical environments. The method is applicable to a range of enameled products and provides a consistent approach for testing and comparing their resistance to alkaline corrosion. The standard includes detailed instructions on sample preparation, test execution, and result interpretation. It is designed to support quality control, product development, and compliance verification in industries that utilize enameled materials. The procedures described ensure accurate and repeatable measurements, facilitating reliable assessments of product durability and performance in corrosive conditions.