Silica Fume
Silica fume or micro silica is an amorphous polymorph of silicon dioxide and silica. Silica fume is an ultrafine powder. It is a silicon and ferrosilicon alloy. Micro silica consists of spherical particles with an average particle diameter of 150 nm. It is a very reactive pozzolana due to its chemical and physical properties. When silica fume is used … Read more