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  • Product Name: high alumina brick for rotary ...
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High alumina brick (Al2O3% content 55~80)

1. Advantage: well performance on Thermal shock resistance, Slag resistance, and corrosion resistance, with superior cold crushing strength

2. Application: widely used in various of kiln linings.

3. Refractoriness: 1770~1790℃

index

item

spalling-resistance high alumina brick alkali-resistance brick
LKBL-70 LKBL-75 LNJ-30 LNJ-35
AL2O3%   ≥ 70 75 27 35
Fe2O3%  ≤     2.0 1.5
0.2MPa refractoriness under load ≥ 1500 1520 1390 1460
linear change after heating%(14000C×2h)     -0.1~+0.3 -0.1~+0.3
apparent porosity ≤ 22 23 24 24
cold crushing strength MPa ≥ 60 75 20 25
bulk density g/cm3    ≥   1.95 1.96  
thermal shock resistance (11000C-water) times 40 30    

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