This document establishes the procedures for the production of heavy calcium carbonate for the coating industry, and stipulates the requirements for safe production, facilities and equipment, raw and auxiliary materials, as well as cleaning and impurity removal, coarse crushing, fine crushing, screening, grinding and classification, material collection, Operating instructions for each stage of the surface treatment, packaging and other processes. This document is applicable to the process of dry grinding to produce heavy calcium carbonate for the coating industry using calcite, marble, and limestone as raw materials.
T/GXAS 225-2021 history
2021T/GXAS 225-2021 Technical code of practice for heavy calcium for paint and coating industrial use processing