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The concrete with micro-silica has good adhesion, cohesion and strength. It can also increase the thickness of the form. Concrete with micro-silica is used in water-saving and hydropower projects like long-span oil drilling platforms or bridges. It can also improve its anticorrosion and impact abrasion characteristics. Micro-silica powder is a great way to improve the strength of concrete and its wear resistance.
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 the refractory industry
Silica powder is widely used by the refractory industry. It can be used to make high-temperature ceramics such as ladles and breathable bricks. Microsilica powder improves refractory’s fluidity, strength, cohesion, and 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 and energy consumption per unit 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.
Silica powder Supplier
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