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Brief Introduction Recent years, most of the domestic mine crushing and industrial sand making plants produce a large amount of limestone powder waste (high limestone powder content) in the production process, which not only pollutes the environment but also wastes raw materials, so how to turn limestone waste into treasure? It is imperative to seek a reasonable solution. domestic research shows that the use of limestone powder as admixture in concrete has the effect of improving concrete structure, enhancing concrete workability, and improving the resistance of concrete to sulfate attack at low temperatures. GkM provide the complete solution of limestone powder preparation system for concrete plant. As a manufacturer of grinding equipment, GkM has established hundreds of limestone powder-to-batch system production lines in more than 120 countries and regions, which include Southeast Asia, Eastern Europe, South America, the Middle…SBM has a technical service team consisting of 25 senior engineers, 46 engineers and 165 senior technicians. On the basis of surveying the planning site for customers, we provide customers with detailed project design plans, provide reasonable equipment selection configuration, equipment list and project cost, design site basic drawings, and design special processes according to customer's special requirements. The team's expertise covers the entire process chain of limestone milling.

According to the new《JGJ/T 318-2014 limestone powder in concrete application technical specifications》, 《 GB 50164 concrete quality control standards》 and other national and industrial standards.

Limestone Powder Technical Indicators
Calcium carbonate content (%) ≥75
Residue(≥45μm )(%) ≤15
Activity index (%) 7d ≥60
Liquidity ratio (%) ≥100
Water content (%) ≤1.0
value ≤1.4

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