Concrete: Cement Substitutes
It is always used in combination with Portland cement, typically in the range 60% Pc and 40% GGBS 30% Pc and 70% GGBS, according to the ultimate function of the cement. Very occasionally, it can be found up to a ratio of 90% GGBS and 10% Pc. Concrete made with GGBS cement sets more slowly than concrete made with ordinary Portland cement ...
![whatsapp](/images/whatsapp.png)