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Comprehensive refractory service supplier for high-temperature industries
Transition Zone
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Silica-Mullite Red Brick and Silica-Mullite Brick are high-performance refractories specially designed for cement rotary kilns. Made from high-alumina bauxite, andalusite and other raw materials, they form a dense vitreous protective layer at high temperatures through a special process, featuring excellent erosion resistance, wear resistance and thermal shock resistance. They are suitable for the transition zone and decomposition zone of large and medium-sized cement kilns respectively, making them cost-effective preferred materials.
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Spalling-resistant high-alumina brick
Spalling-Resistant High-Alumina Brick is produced by adding special modified raw materials with mismatched expansion to high-alumina bauxite. Utilizing the composite phase toughening principle, micro-cracks are generated in the material's structure, which alleviates or blocks damage caused by thermal stress. This significantly improves thermal shock stability while enhancing high-temperature mechanical wear resistance and chemical corrosion resistance. Its service life is more than 3 times that of traditional high-alumina bricks. It features excellent wear resistance, outstanding spalling resistance, and a high refractoriness under load. It is widely used in key parts of cement rotary kilns such as the transition zone, kiln hood, and preheater decomposition furnace.
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