Lubtek Building Materials CO.,Ltd
5 1

Load-bearing Brick

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Lubtek Building Materials CO.,Ltd
[Ukraine]

Address
Kherson Dzerzhinskogo street, 12, Kherson, Ukraine Kherson Dzerzhinskogo Kherson, Ukraine
Phone
380-636-952576
Contact name
vlad

Quick Information

  • Place of Origin: Ukraine

Description

Characteristics:
 

  1. The content of AL2O3 is ≥50%.
  2. High refractoriness under load. The RUL is higher than fireclay brick as the high content of Al2O3, however, it is lower than silica brick because of mullite crystal does not form reticular tissue.
  3. Excellent slag resistance. High alumina brick is a kind of neutral refractory material so it enjoys excellent resistance to acid slag and alkali slag corrosion.
 
Application:
The main markets for low creep high alumina brick are building lining of hot-blast stove, blast furnace, coke oven, rotary kilns of cement and so on.
 
Technical Data:
Item High Alumina Brick
DRL-155 DRL-150 DRL-145 DRL-140 DRL-135 DRL-130 DRL-127
Al2O3,%                           ≥ 75 75 65 65 65 60 50
Apparent Porosity,%         ≤ 20 21 21 22 22 22 23
Bulk Density, g/cm3 2.65-2.85 2.65-2.85 2.50-2.70 2.40-2.60 2.35-2.30 2.30-2.50 2.30-2.50
Compress Strength, Mpa ≥ 60 60 60 55 55 55 50
Creep Rate, %
(0.2Mpa,50h)                     ≤
1550℃
0.8
1500℃
0.8
1450℃
0.8
1400℃
0.8
1350℃
0.8
1300℃
0.8
1270℃
0.8
Permanent Linear Change % 1550℃,2h 0.1--0.2 0.1--0.2 0.1--0.2 -- -- -- --
1450℃,2h -- -- -- 0.1--0.2 0.1--0.4 0.1--0.4 0.1--0.4


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