A. It can be an admixture that causes the event of a system of microscopic air bubbles in cement paste for the duration of mixing, generally to increase its resistance to freezing and thawing and to further improve workability (ACI 212.3R). Wetting can make the particles of cement disperse just https://juliuslcnxi.mybuzzblog.com/12003653/top-latest-five-air-entraining-urban-news