JC/T 449-2021 in English

This standard specifies the technical requirements, testing methods, and inspection rules for raw materials used in magnesium-based cementitious materials. It covers aspects such as chemical composition, physical properties, and performance characteristics, ensuring the quality and consistency of the materials throughout their production and application. The standard also outlines the classification and marking requirements, as well as the storage and transportation conditions. The content is structured to provide clear guidelines for manufacturers, users, and regulatory authorities involved in the production and use of these materials. It aims to promote the safe and effective utilization of raw materials in the development of magnesium-based cementitious products.