Elkem is the world's leading manufacturer and supplier of silica fume, having first introduced Elkem Microsilica® to the market in the 1980s.  Elkem now offers a range of silica fume products tailored for a wide range of construction applications, including concrete, fibre cement, and gypsum boards. 

Elkem Microsilica® is used to achieve (ultra) high-performance concretes. It gives significant benefits to concrete including reduced construction times, improved pumpability, enhanced early strength development, and excellent durability, particularly resistance to abrasion, and chemical attack.