new version of GB 175-2023 "General Portland Cement" will be implemented on June 1 next year. What is the impact on the cement industry?
First, from part of the provisions to the full text, the requirements are more stringent
. Second, the requirements for radioactive, hexavalent chromium, ammonia ions, methylene blue harmful components are more stringent, and more attention is paid to the impact on people and the environment.
3. Properly improve the strength to ensure the quality
of cement. 4. More detailed provisions on components, steel slag, manganese slag and other industrial waste residues and composite admixtures can no longer be used, and more stringent
requirements on the use of admixtures. 5. More detailed requirements on fineness, more stringent requirements to prevent deliberate improvement of cement fineness. Add more admixtures.
The cement standard was finally approved after three years, and more attention was paid to the impact on people and the environment; Improves the quality and the safety of the cement, reduces the adverse effect of the cement on the environment, standardizes the adding amount of the clinker and the mixed material in the cement and the type of the mixed material, improves the production cost of partial cement varieties, Some cement enterprises are forced to produce masonry cement, steel slag Portland cement, magnesium slag Portland cement and other special cement varieties.
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