Dispersion: After cement is mixed with water, a double electric layer structure is formed on the surface of cement particles due to the hydration of cement particles, forming a solvated water film. The surface of cement particles carries opposite charges, which causes an association between cement particles and forms a flocculated structure in cement slurry. 10% to 30% of the mixing water is encapsulated in the cement particles and cannot participate in free flow and lubrication, thus affecting the fluidity of the concrete mixture. When a water reducer is added, the water reducer molecules can be oriented and adsorbed on the surface of cement particles, so that the surface of cement particles carries the same charge (usually negative charge), forming an electrostatic repulsion effect, which promotes the mutual dispersion of cement particles, disintegrates the flocculated structure, releases part of the encapsulated water, and participates in the flow, thereby effectively increas…

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Shanghai Hongyun New Construction Materials Co., Ltd

Shanghai Hongyun New Construction Materials Co., Ltd. was established in December 2009 with a regist…

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