| 摘要 |
The invention provides a belite-calcium sulphoaluminate-ferrite (BCSAF) cement composition comprising: BC-lSAF clinker having the following mineralogical composition, based on the total weight of the clinker: 5 to 25 %, preferably 10 to 20 %, °F a calcium aluminoferrite phase having the general formula CAF, wherein X is from 0.2 to 0.8; 15 to 35 % of calcium sulphoaluminate phase; 40 to 75 % of belite (CS); from 0.01 to 10 % in total of one or more minor phases selected from calcium sulphates, alkali metal sulphates, perovskite, calcium aluminates, gehlenite, free lime and periclase and/or a vitreous phase; and an alkanolamine. |
