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Application of Micro Silicon Powder

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Industry News

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2024-01-16

The use of silica fume in refractory materials is also one of the early applications. It plays an important role in improving both fixed and amorphous refractory materials. Silicon ash is filled in the pores of refractory materials, increasing bulk density, reducing apparent porosity, and significantly increasing strength; Silicon ash has strong activity and forms colloidal particles in water. Adding an appropriate amount of dispersant can enhance its flowability, thereby improving the performance of the castable; It has strong hydrophilicity, can enhance the cohesion of refractory materials, and greatly improve the high-temperature resistance performance, and can extend the service life of refractory products.
Special silica fume for refractory materials is widely used in high-performance refractory castables and prefabricated components, large iron trench materials and ladle materials, breathable bricks, coatings, self flowing refractory castables and dry wet spraying, oxide bonded silicon carbide products, corundum mullite push plates, high-temperature wear-resistant materials and products, corundum and ceramic products. High performance low cement refractory castables and prefabricated components have a service life three times that of ordinary castables, a fire resistance increase of about 100 ℃, and significant improvements in high-temperature strength and thermal shock resistance. It has been widely used in industries such as coke oven, ironmaking, steelmaking, rolling, non-ferrous metals, glass, ceramics, and power generation. The following is a detailed introduction to the application of silica fume in the materials industry.
1. Large iron trenches and ladle materials, breathable bricks, application of repair materials, etc.
2. Self flowing refractory casting materials and their application in dry wet spraying construction.
3. Oxide bonded silicon carbide products (ceramic kiln furniture, flame barriers, etc.).
4. High temperature calcium silicate lightweight thermal insulation material.
5. Corundum mullite push plates are used for electric porcelain kilns.
6. Thermal insulation materials and products.
7. Corundum and ceramic products.
8. Theron combined products. At present, in addition to being widely used in casting refractory materials, it is also widely used in electric melting and sintering refractory materials.
9. New wall materials and decorative materials:
Polymer mortar, insulation mortar, and interface agent are used for wall insulation. Cement based polymer waterproofing materials. Lightweight aggregate insulation energy-saving concrete and products. The interior and exterior walls are processed with putty powder.