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Dispersing Effect Of Water-reducing Agent
Aug 21, 2018

After mixing cement with water, the hydration effect of cement particles , the cement particles show the formation of the double layer structure, so that the formation of solvent water film, and the cement particle surface with the opposite charge of the cement particles have an association, so that the mud formation flocculation structure, so that 10%~30% mixed Heshui is wrapped in cement particles, can not participate in the free flow and lubrication function, Thus, the fluidity of concrete mixture is affected. When the water-reducing agent is added, the molecule of water-reducing agent can be adsorbed on the surface of cement particles. So that the surface of cement particles with the same charge (usually negative charge), forming electrostatic repulsion, to promote the dispersion of cement particles, flocculation structure disintegration, releasing the part of the water, participate in flow, thus effectively increase the fluidity of concrete mix.

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