T/GXAS 225-2021 Production Technical Regulations for Calcium Carbonate in the Paint Industry
T/GXAS 225-2021 Production Technical Regulations for Calcium Carbonate in the Paint Industry
Basic Information
Scope
Scope: This document establishes the production process of heavy calcium carbonate for the coatings industry, and stipulates the requirements for safe production, facilities and equipment, raw materials and auxiliary materials, as well as the operating instructions for each stage of the process, including cleaning and removing impurities, coarse crushing, fine crushing, screening, powder grinding and grading, material collection, surface treatment, and packaging. This document is applicable to the process of producing heavy calcium carbonate for the coatings industry using calcite, marble, and limestone as raw materials through dry grinding. Main technical content: This document establishes the production process of heavy calcium carbonate for the coatings industry, and stipulates the requirements for safe production, facilities and equipment, raw materials and auxiliary materials, as well as the operating instructions for each stage of the process, including cleaning and removing impurities, coarse crushing, fine crushing, screening, powder grinding and grading, material collection, surface treatment, and packaging. This document is applicable to the process of producing heavy calcium carbonate for the coatings industry using calcite, marble, and limestone as raw materials through dry grinding.