Low Creep High Alumina Brick for Hot-blast Stove
Details
China B2B Services
B2B Services

Low Creep High Alumina Brick for Hot-blast Stove

Low Creep High Alumina Brick for Hot-blast Stove

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 Al2O 3, 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 enjo ys 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 furn ace, 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

Location : Chao Yanggou, Daye Town, Dengfeng City, Henan Province, China, 452470 Daye Town,
Contact : Claire Feng, +86 371 62985001

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Low Creep High Alumina Brick for Hot-blast Stove

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