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Hot blast stove arch composite brick
Hot blast stove arch composite brick
Numbering
Affiliate classification Low-creep high-alumina brick
Weight 0
Product Description

  Product Overview:

     Low-creep high-alumina brick is brown corundum, andalusite, sillimanite, calcined high alumina bauxite clinker and binder first through granulation and powdering processes, mixed in a certain proportion, and then pressed into a high temperature. Fired products with low creep rate. According to the physical and chemical indicators, it is divided into five brands: DRL-155, DRL-145, DRL-140, DRL-135, and DRL-130. Mainly used in blast furnace hot blast furnace industrial kiln.


  Physical and chemical indicators:

Item Indicator
DRL-155 DRL-145 DRL-140 DRL-135 DRL-130
Al2O3        %      ≥ 75 65 65 65 60
Apparent porosity      %           ≤ 20 21 22 22 22
Compressive strength at room temperature     Mpa        ≥ 60 60 55 55 55
0.2MpaCreep rate    %    50h    ≤ 1550℃
0.8
1450℃
0.8
1400℃
0.8
1350℃
0.8
1300℃
0.8
Heating permanent line change% 1500℃×2h
-0.2~+0.2
1450℃×2h
-0.2~+0.2
1450℃×2h
-0.3~+0.2