Silica Fume

Silica Fume

Silica Fume
Microsilica is an ultradisperse material consisting of particles of spherical shape, obtained in the process of purification of waste gases from furnaces during the production of technical silicon. The main component of the material is silicon dioxide of amorphous modification. It is produced in the form of a dark gray powder with a silicon dioxide content of more than 95%. Field of use: it is used as an additive in the production of concrete and dry building mixtures. It increases the technical and operational properties of concrete and mixtures (strength, frost resistance, water resistance, etc.), and also reduces their cost. Admissible field of use of concretes with mineral additives is all concrete and reinforced concrete structures of civil and industrial construction, including drinking water supply systems. Mode of delivery: "big-bag" type container of 700 - 800 kg.
Specifications
Name of indicatorsStandards for microsilica brands
Condensed, compactedWith storage
МКУ-90МКУ-95МКХ
AppearanceFine-grained powdery material of gray color, aggregate size up to 0.5 mmFine-grained material of gray or dark gray color with the presence of lumps or completely lump
Mass fraction of water, %0,5-5,00,5-5,00,5-40,0
Mass fraction of loss ignition (l.i.), %, not more than5,05,05,0
Mass fraction of silicon dioxide (SiO2) (per dry matter),%, not less than90,095,080,0
Bulk density of Silica Fume, kg / m380-500280-50080-500
Total carbon content,%, not more than5,05,05,0