What are the applications of microsilica powder?

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Nano-crystalline silicon is silicon that has a particle size of less than five nanometers (1 billion (1G), of a millimeter). Nano silica is characterized by its high purity and small particle sizes. This product is non-toxic, tasteless, and has high surface activity. Nano silicon is a photoelectric material of a new type, with a large gap energy semiconductor. It is also an extremely powerful light source. 1. Applications of silica Powder Concrete in Industry
Concrete with micro-silica has good adhesion, cohesion and strength. It can also increase the thickness of the concrete. Concrete with micro-silica is used in water-saving and hydropower projects like long-span oil drilling platforms or bridges. It can also improve the properties of anti-corrosion. In road construction, the use of micro-silica will improve the strength of the concrete and its wear resistance.

2. Mixing silicon powder with cement
Some countries use micro silica powder as an additive in cement production. Increased micro silica content in cement results in a significant increase in strength. Micro silica will improve the cohesiveness, secant elastic modus and creep of the cement. But, it will also reduce the water absorption and volume of the cement. Micro silica should not be mixed with cement if you are concerned about water absorption or volume quality.
3. Use in refractory industry
Silica powder is widely used by the refractory industry. It can be used to make high-temperature ceramics such as ladles and refractory bricks. Microsilica powder can improve fluidity, volume and strength of refractory. Improve the cohesion of refractory and its high-temperature performances.
4. Application in metallurgical granules
Some North American firms also mixed silica and Micro silica powders to make pelletizing ores as raw materials for electric smelting and reduction of silicon. The silicon recovery rate was normal, while the energy consumption per product remained unchanged.
Due to the fact that micro silica is prepared through high-temperature alkali solutions or calcination at high temperatures, a high value-added application of micro silica in the preparation silica aerogel can be achieved whether sodium silicate or micro silica are used as silicon sources. The silica aerogel made from micro silica as a source of silicon has high porosity, strength, low density and good heat insulation. This is expected to find wide application in the aerospace, construction, medical and other industries.
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