nt Wikipedia Cement WikipediaChinese20191014 ensp 0183 enspCement powder here conditioned in bag is mixed with fine and coarse aggregates and water A cement is a binder a substance used for construction that sets hardens and adheres to other materials to bind them together Cement is seldom used on its own but rather to bind sand and gravel aggregate together Cement mixed with fine aggregate Chemistry ensp 0183 ensp