The direct bonded magnesia chrome brick is fired at a high temperature of about 1800 ℃. The crystalline phase is directly bonded with the crystalline phase. It has low porosity, high strength, abrasion resistance, corrosion resistance, thermal shock resistance, stability and peeling resistance. During the high temperature firing process, zirconia enters the periclase solution, further forms spinel solid solution, and completes the direct bonding structure. The product structure is very dense, and is often used in lining parts such as copper smelting furnace and refining furnace, Good effect.
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