Cementitious material can come from natural or byproducts, for example, natural pozzolans, fly ash, GGBS, silica fumes, and clay are examples of cementitious material.
Cementitious materials have various properties that help enhance the strength and durability of the concrete.
Ground Granulated Blast Furnace Slag
Slag is a by-product from steel plants obtained from blast furnaces, during the separation of iron from iron ore.