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Microsilica

Silicon metal (Si) Ferrosilicon (FeSi)

10. October 2020.

Microsilica

Microsilica can be divided into two basic types: “undensified” and “densified”, and in fact their chemical composition is completely the same as long as there are differences in physical form, ie in volume density.

 

UNDENSIFIED

For “undensified” microsilica, the bulk density is in the range of 200-350 kg / m3.

Due to its low bulk density, this form is considered impractical for use in normal concrete production.

 

 

DENSIFIED

Densified microsilica is commonly used in refractory products and formulated material in bags such as plasters, protective coatings and concrete enrichments.

For this type of microsilica, the bulk density is in the range of 500 -650 kg / m3. According to research, the application of microsilica in concrete mixes has significantly increased and improved the properties of concrete.

Microsilica, also known as silica or condensed silica, is a mineral mixture composed of very fine, solid, and glassy beads of silica. It usually occurs as a by-product in the industrial production of Si metals or in high-temperature electric arc furnaces.

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