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What Is Lithium Carbonate and Why Is It Used as a Cement Accelerator in Construction

Lithium Carbonate, carrying CAS number 554-13-2, is an inorganic lithium salt with the chemical formula Li2CO3. In construction chemistry, it functions as a lithium carbonate cement accelerator by speeding up the hydration reaction between cement and water, promoting early formation of calcium silicate hydrate phases that give cementitious systems their strength. The result is faster setting time, higher early compressive strength, and shorter waiting time before a repaired or newly placed surface can return to service.

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