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Function of tabular alumina in castables

2025-05-23 Náš blog

Tabular alumina is a large block of α-alumina with high purity and dense crystal structure after high temperature sintering. Due to its excellent physical and chemical properties, it is widely used in high-performance refractory castables, especially in high-temperature parts of steel, non-ferrous metals, glass and ceramic industries.

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Steps of calcium silicate panel masonry

2025-05-21 Náš blog

Calcium silicate board is an inorganic building material with excellent performance, which is widely used in thermal insulation projects in the fields of construction, hutnictví, elektřina, petrochemical, atd. It has the characteristics of light weight, high strength, fire resistance, heat insulation, moisture resistance, and mildew resistance, and is an important…

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Zircon firebricks for glass melting furnace

2025-05-20 Náš blog

Zircon brick is a high-performance refractory material. Due to its excellent high-temperature strength, odolnost proti korozi, and thermal shock stability, it is widely used in high-temperature fields such as glass industry, hutnictví, and building materials. This article will systematically introduce the production process of zircon bricks.

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How to identify the types of corundum？

2025-05-16 Náš blog

Corundum is a polycrystalline aluminum oxide material. Aluminum oxide is one of the main components of the earth's crust, with abundant resources, relatively cheap and easy to obtain. Corundum has physical and chemical properties such as high temperature resistance, high strength, high hardness, electrical insulation, a odolnost proti korozi. Proto, korund…

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High temperature corrosion resistance of chrome corundum bricks

2025-05-14 Náš blog

Chrome corundum bricks are a high-performance refractory material made of α-alumina (Al₂O₃) and chromium oxide (Cr₂O₃) as the main raw materials, which is formed by high-temperature sintering or electric melting casting. It is widely used in high-temperature fields such as steel, non-ferrous metallurgy, and glass due to its excellent high-temperature…

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$Features of semi-silicon refractory brick$

Features of semi-silicon refractory brick

2025-05-13 Náš blog

Semi-silica refractory bricks are important refractory materials. They use semi-silica clay as the main raw material. They have good refractoriness, thermal stability, and slag resistance, and are relatively low in cost. Production requires attention to raw material selection, preparation process, high-temperature sintering, and quality control. They are widely used in…

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