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Alumina Brick

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High-alumina Brick

High-alumina Brick
  • High Alumina Bricks are produced with selected bauxite chamotte as main raw material, fired at 1420-1530℃ by advanced process with strict quality control.
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High Alumina Bricks are produced with selected bauxite chamotte as main raw material, fired at 1420-1530℃ by advanced process with strict quality control.


Specifications

1.High temperture resistant.
2.Chemical erosion resistant.
3.thermal stability.
4.slag resistance.


Applications

1. Furnaces of metallurgy industry, heat treatment furnace.
2. Furnaces of chemical industry and construction industry.
3. Furnace of incineration of garbage, recirculating fluidized bed furnace.
4. Standard sizing: 230 x 114 x 65 mm others up to the client.


Physical and chemical index

ItemProperties
LZ-80LZ-75LZ-65LZ-55LZ-48
Al2O3 ,%80≥75≥65≥55≥48
Refractoriness °C≥1790≥1790≥1790≥1770≥1750
Bulk density,g/cm32.652.52.452.42.3
Softening temperature under load1530≥1520≥1500≥1470≥1420
Permanent linear change,%1500℃*2H0.10.10.10.1
-0.4-0.4-0.4-0.4
1450℃*2H



0.1
-0.4
Apparent porosity,%22≤23≤23≤22≤22
Cold Crushing strength Mpa55≥50≥45≥40≥35
ApplicationAll industrial furnace
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