| 摘要 |
The invention relates to a binder composition comprising at least (a) one calcium aluminate cement, said calcium aluminate cement comprising by weight relative to its total weight, - as regards its chemical composition at least : 50% or less of AI2O3 and, - as regards its mineralogical composition at least: 50% or more of CA phase, preferably from 50 % to 70 % of CA, and 0.8 % to 15 % of CA2; said calcium aluminate cement comprising a Blaine Specific Area (BSA) higher than or equal to 3800 cm2/g, and, said calcium aluminate cement being obtained by sintering. The invention also relates to a mortar composition, especially a self-levelling and/or self-smoothing mortar comprising the above mentioned binder composition and having improved polishing resistance. |
