Henan Huaxi Furnace Refractory Co., Ltd.| Manufacturer
Henan Huaxi Furnace Refractory Co., Ltd.

China Manufacturer with main products: Taphole Clay, Castable, Gunning Mix, Mortar, Auxiliary Metallurgy Materials, Furnace Lining Repair, Refractory Brick (Alumina

Silica Fume

Payment Terms: L/C, T/T(Bank Transfer), Western Union
Place of Origin: Henan in China

Specifications

Silica fume, also known as microsilica, is a fine-grain, thin, and very high surface area silica.
It is sometimes confused with fumed silica (also known as pyrogenic silica) and colloidal silica. These materials have
different derivations, technical characteristics, and applications.

Properties
Silica fume consists of fine vitreous particles with a surface area on the order of 215,280 ft²/lb (20,000 m²/kg) when
measured by nitrogen adsorption techniques, with particles approximately one hundredth the size of the average cement
particle.

Production
Silica fume is a byproduct in the reduction of high-purity quartz with coke in electric arc furnaces in the production of
silicon and ferrosilicon alloys.

Applications
Concrete
Because of its extreme fineness and high silica content, silica fume is a very effective pozzolanic material.Standard
specifications for silica fume used in cementitious mixtures are ASTM C1240.

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