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AZS fused-cast brick (Alumina-Zirconia-Silica fused-cast refractory) is a high-quality refractory material made through an electrofusion process, primarily composed of alumina, zirconia, and silica.
Its dense structure provides excellent high-temperature resistance, corrosion resistance, and thermal shock stability, making it ideal for critical parts of glass melting furnaces, such as the melting zone, flow channels, sidewalls, and crown blocks.
Depending on the zirconia content, AZS bricks are classified into 33#, 36#, and 41#, with higher zirconia content offering superior corrosion resistance. Key features include resistance to glass liquid corrosion, low contamination, high mechanical strength, and excellent thermal stability, making it widely used in high-temperature industries like glass, steel, and cement.
AZS refractory materials are widely used in critical parts of glass melting furnaces, such as sidewalls in the melting zone, flow channel blocks, and furnace crowns. Their excellent high-temperature resistance, corrosion resistance, and low contamination make them ideal for high-temperature industries like glass, steel, and cement.
The production process of AZS fused-cast bricks includes raw material preparation, electric fusion smelting, mold casting, annealing, and inspection and finishing. By melting high-purity alumina, zirconia, and silica in an electric arc furnace, casting into molds for rapid cooling, and annealing to relieve stress, AZS bricks achieve a dense structure and excellent properties, making them widely used in glass furnaces and other high-temperature industrial equipment.
