HG/T 4971-2016 in English

This standard specifies the technical requirements, test methods, and inspection rules for a certain type of dye. It covers aspects such as appearance, chemical composition, performance characteristics, and packaging requirements. The standard is applicable to the production, quality control, and acceptance of the product. It provides detailed procedures for various tests, including but not limited to solubility, color strength, and fastness properties. The standard also outlines the requirements for sampling and testing during the production process. It serves as a reference for manufacturers, users, and testing institutions to ensure product quality and consistency. The content includes definitions, classification, and marking requirements. It is intended to be used in conjunction with relevant national and industry standards.