Microsilica (Silica fume)

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Microsilica (Silica fume)
Microsilica (Silica fume)
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CE CE ISO 9001 ISO 9001

Microsilica is a by-product of silicon metal production. This is a densified amorphous powder, obtained by the metallurgical process of silicon in an electrical arc furnace. It is used as an additive to improve the properties of concrete and mortar formulations.

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Properties and applications
  • production of mortars and castables.
  • production of insulating materials.
  • production of ceramic and refractory products.
  • other industrial applications.

Markets and applications
Building & Construction / Building ceramics, Concrete & mortar additives, Plasterboards & gypsum additives

Additives for ceramics
Additives for tight concrete
Additives to increase the strength of concrete
Additives to reduce the absorbability of concrete
Raw materials & intermediates


Chloralkali, raw materials and intermediates
Specialty Products / Specialty additives

Alternative names
Amorphous silicon dioxide, Amorphous silicon dioxide, microsilica, silica dust, amorphous silica (SiO2), by-product of silicon metal production, concrete additive, ceramic additive, refractory additive, microsilica for airtight concretes, microsilica to increase airtightness of concrete

Manufacturer: PCC BakkiSilicon hf.

PCC BakkiSilicon hf. with its registered office in Iceland, deals with the production of silicon-metal from one of the most advanced production facilities in the world, utilizing 100% geothermal energy sources.

PCC Group

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