Silicon carbide brick
Silicon carbide bricks have excellent high-temperature resistance, allowing them to maintain structural stability in high-temperature environments without easily deforming or being damaged. Their superior thermal conductivity enables heat to be quickly and evenly distributed, effectively improving thermal efficiency. At the same time, silicon carbide bricks possess outstanding wear resistance and corrosion resistance, capable of withstanding various harsh chemical substances and high-temperature gas flows. These characteristics give silicon carbide bricks a long service life and reliable performance.
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Aluminum
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Sialon bonded silicon carbide bricks are high-performance refractory materials designed for extreme high-temperature environments. Combining silicon carbide strength with Sialon bonding, they offer excellent wear resistance, thermal shock resistance, and chemical stability. These bricks ensure long service life and reliable performance in furnaces, kilns, and industrial lining systems. Their low porosity and high thermal conductivity improve efficiency and reduce maintenance costs.
| Project Item | Oxide bonded SiC brick | Oxide bonded SiC brick | Mullite-SiC brick | Alumina-SiC brick |
| SiC % | 88 | 80 | ≥65 | ≥20 |
| Al2O3 % | - | ≥20 | ≥55 | |
| Bulk density g/cm³ 3 Bulk density | ≥2.6 | ≥2.58 | ≥2.5 | ≥2.5 |
| Apparent porosity % | ≤17 | ≤18 | ≤20 | ≤20 |
| Cold compression strength MPa | ≥110 | ≥100 | ≥80 | ≥80 |
| Refractoriness under load ℃ | ≥1700 | ≥1700 | ≥1650 | ≥1550 |
| Thermal conductivity W/(m·K) 1200℃ Thermal Conductivity | 13.2 | 12 | 10 | 6-8 |
| Thermal shock resistance Water quenching at 1100℃ (times) | ≥50 | ≥40 | ≥30 | ≥10 |
Performance: SiC bricks have excellent high-temperature resistance, maintaining structural stability in high-temperature environments without easily deforming or being damaged. Their superior thermal conductivity allows heat to distribute quickly and evenly, effectively improving thermal efficiency. Additionally, SiC bricks possess outstanding wear resistance and corrosion resistance, able to withstand various harsh chemicals and high-temperature gas flow erosion. These characteristics give SiC bricks a long service life and reliable performance.
Application: SiC bricks are widely used in many industrial fields. In the steel industry, they are commonly used as linings in blast furnaces, hot blast stoves, and other equipment, capable of withstanding erosion from high-temperature molten iron and slag. In metallurgy, they are suitable for electric furnace roofs, tapping troughs, and other parts to ensure efficient equipment operation. Moreover, in industries such as ceramics and glass, SiC bricks are extensively used in kiln construction due to their excellent properties, providing stable and reliable support for high-temperature processes.
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