Portland cement clinker along with granulated blast furnace slag are inter grinded to compose blast furnace cement. Maximum sixty five percent of the mixture could be comprised through blast furnace slag.
It is extremely sulphate resistant
It is often used in seawater construction.
In order to prepare such type of cement, 5 to 10 percent of appropriate pigments are grinded with OPC. Kinds of pigments are selected according to the preferred color. It is mainly used for diverse decorative work.