Corundum Mullite Bricks with Many Advantages

Corundum mullite brick is a high-grade refractory material, mainly used in high-temperature areas of ultra-high-temperature tunnel kilns, such as furnace walls, furnace roofs, kiln cars, and other parts. Based on the physical properties and physical and chemical indicators of corundum mullite bricks, refractory material manufacturers can point out the many advantages of corundum mullite bricks.

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Advantages of corundum mullite bricks in terms of physical properties and physical and chemical indicators

1. Thermal expansion coefficient. Corundum-mullite bricks have a low thermal expansion coefficient and can maintain good stability even at high temperatures. It can also be used stably in environments with large temperature changes.
2. Compressive strength. The compressive strength of corundum mullite bricks is relatively high, usually around 100MPa. It can withstand greater pressure at high temperatures and has good pressure resistance.
3. Refractory resistance. Corundum mullite bricks have high refractoriness, usually between 1750-1800°C, and can withstand changes such as oxidation, reduction, and thermal shock at high temperatures. Can be used stably for a long time at high temperatures.

Corundum mullite bricks also have some other properties, such as high wear resistance, high corrosion resistance, good insulation properties, etc. In short, corundum mullite brick is a high-performance refractory material. Its specific composition and physical and chemical indicators determine its excellent fire resistance and stability in severe working environments such as high temperatures, strong acids, and alkalis.

These advantages in physical and chemical indicators are of course inseparable from the high-performance indicators of high-quality refractory raw materials.

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High-Quality Refractory Raw Materials Used in Corundum Mullite Bricks

Corundum-mullite brick is a high-performance refractory material made of corundum, mullite, and other minerals.

(1) Corundum. Corundum is one of the main components of corundum mullite bricks, and its main component is alumina (Al2O3). Corundum has high hardness, high compressive strength, high wear resistance, high fire resistance, excellent corrosion resistance, and thermal stability, and is an important high-performance material.

(2) Mullite. Mullite is a high silicate mineral with excellent corrosion resistance, fire resistance, insulation properties, and physical and mechanical properties. In corundum mullite bricks, the mullite content is usually 20-30%.

(3) Other materials. Some other minerals and additives may also be added to corundum mullite bricks to enhance the properties of the material.

Advantages of Corundum Mullite Bricks

1. High wear resistance. Corundum-mullite bricks have very high hardness and wear resistance due to their high proportion of corundum and mullite.
2. Good corrosion resistance. Corundum-mullite bricks have excellent corrosion resistance and can withstand harsh environments such as strong acid, strong alkali, and high temperatures, extending their service life.
3. High-temperature stability. Corundum-mullite bricks can withstand very high temperatures and maintain stable performance under high temperatures.
4. Common design drawings of tunnel kilns generally include the following parts: furnace door, furnace wall, furnace bottom, furnace top, kiln car, etc.

To purchase high-quality corundum mullite bricks, contact RS Cheap Refractory Bricks Factory. We can provide high-quality refractory brick products and comprehensive customer service. Moreover, we can provide you with customized refractory lining material solutions based on your industrial furnace usage needs. Welcome your free consultation.