Sintered Zirconia Mullite Bricks

Zirconia mullite bricks feature a dense crystal structure, high bulk density, high mechanical strength at both room and high temperatures, and good thermal shock stability. They exhibit low reheating shrinkage and high-temperature creep, along with extremely high chemical stability and resistance to alkaline media corrosion.

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Physical and Chemical Indicators

Item	ZM-1	ZM-2
ZrO₂ (%)	≥ 20	≥ 7
Al₂O₃ (%)	≥ 68	≥ 7
SiO₂ (%)	≤ 18	≥ 73
Fe₂O₃ (%)	≤ 1.2	≤ 18
Apparent Porosity (%)	≤ 0.5	≤ 1.0
Bulk Density (g/cm³)	≥ 3.2	≥ 3.0
Cold Crushing Strength (MPa)	≥ 100	≥ 100
Thermal Shock Resistance (Cycles, 1100℃ water cooling)	≥ 21	≥ 18
Refractoriness Under Load (0.2MPa, ℃)	≥ 1700	≥ 1680

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