CEMENT ADMIXTURE AND CEMENT COMPOSITION

摘要

PURPOSE: To obtain a cement admixture and a cement composition in which strength is well provided, and which is effective in producing quick hardening cement excellent in alkali aggregate reaction resistance and is mainly used for the civil engineering and construction industry. CONSTITUTION: A cement admixture which comprises a CaO-Al2 O3 -Li2 O base material containing 1-15wt.% Li2 O, an inorganic sulfate and a setting modifier and a cement composition comprising cement and a cement admixture.