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Zircon bricks have excellent properties such as high temperature resistance, good thermal shock resistance, resistance to slag erosion and resistance to molten glass erosion. Zircon bricks work stably in an oxidizing atmosphere and do not chemically react with molten metal. Pickaxe refractory bricks are mainly used for large bricks at the bottom of glass kilns and superstructure materials. In the field of metallurgy, zircon bricks can be used as steel drum linings, continuous casting nozzles, etc.