• alumina-spinel-brick
  • alumina-spinel-brick

Magnesia-alumina Spinel Brick

  • MgO, %:≥82
  • AL2O3, %:13-15
  • Volume Density, g/cm3:≥2.98
  • Apparent Porosity, %:≤17
  • Refractoriness Under Load,℃,[0.2MPa×0.6%]:≥1700
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Features:
Magnesia-alumina spinel brick is a new product developed by Cunse according to the development of building material industry and the characteristics of all kinds of lime kilns.
The product has the advantages of good alkali-resistance, good erosion resistance, good thermal stability, high crushing strength, and high refractoriness under load.
Application:
All kinds of large and medium sized lime kilns, such as rotary kiln, sleeve kiln, and shaft kiln.


Item

Magnesia-alumina Spinel brick

MgO,  %

≥82

AL2O3,  %

13-15

Fe2O3,  %

≤0.8

Volume Density,   g/cm3

≥2.98

Apparent Porosity,  %

≤17

Cold Crushing Strength, Mpa

≥60

Refractoriness Under Load,℃, [0.2MPa×0.6%]

≥1700

Thermal Shock Resistance,Cycles [1100℃,Water-cooling]

≥15

Refractoriness, ℃

≥1800

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