The unique qualities of SF which make it ideal for use as supplementary cementitious elements are its fineness, highly amorphous in character and elevated content of SiO2. The tiny SF spheres work as fillers considering the fact that they occupy a number of the Place concerning the fairly coarser cement https://www.tjcyindustrialchem.com/news/cement-additives-and-concrete-admixtures-key-differences.html