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magnesia zirconia brick

magnesia zirconia brick

  • Apparent Porosity:≤19 %
  • Bulk Density :≥3.95 (g/cm3)
  • Cold Crushing Strength :≥50 (MPa)
  • Refractoriness Under Load:≥1600 °C
  • Thermal Shock Resistance:≥10 (950-wind cold)

Magnesia Zircon Brick is composed of fused magnesia sand and zircon sand and it belongs to alkaline material.


♦  alkali resistance 
♦  slag corrosion resistance 
♦  spalling resistance 
♦  high-temperature resistance

The product is composed of fused magnesia sand and zircon sand and it belongs to alkaline material. This product has high density (Bulk density) is greater than 3.08g/cm3).It also resists alkaline atmosphere erosion and alkaline slag erosion and widely used in glass furnace, regenerative chamber, cement kiln, steel-making electric furnace and non-ferrous metal metallurgy.

Magnesia Zircon Brick is used for regenerator of glass furnace.
Technical Data:
Item Magnesia Zircon Brick
MgO% ≥ 80 75 70
ZrO2 %≥ 8 10 13
Apparent Porosity%≤ 19 18 18
Bulk Density (g/cm3)≥ 3.95 3.00 3.05
Cold Crushing Strength (MPa)≥ 50 45 40
Refractoriness Under Load°C≥ 1600 1550 1600
Thermal Shock Resistance(950-wind cold)≥ 10 10 10

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