Brand
Properties |
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DN-12
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DN-14
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DN-17
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SK-34
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SK-33
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SK-32
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Refractoriness (SK)
|
|
35
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34
|
34
|
34
|
33
|
32
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Apparent Porosity (%)
|
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12
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14
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17
|
23
|
24
|
26
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Bulk Density (g/cm3)
|
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2.40
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2.34
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2.25
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2.20
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2.15
|
2.00
|
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Cold Crushing Strength (MPa)
|
|
70
|
65
|
50
|
35
|
30
|
20
|
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Thermal Linear Expansion(%) @ 1,000℃
|
|
0.5
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0.6
|
0.6
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0.6
|
0.6
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0.6
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Permanent Linear Change (%)
@ 1,400℃ x 2hrs |
|
±0.1
|
±0.2
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±0.2
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±0.3
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±0.5
|
±0.5
|
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Refractoriness under Load (℃) @0.2MPa
|
|
1,500
|
1,470
|
1,430
|
1,350
|
1,300
|
1,250
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Chemical
Composition (%) |
Al2O3
|
45
|
45
|
42
|
40
|
38
|
35
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Fe2O3
|
1.3
|
1.5
|
1.7
|
2.0
|
2.2
|
3.0
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Main Applications
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- Reheating Furnace
- Blast furnace -Coke Oven,Torpedo Car, -Cement Rotary kiln, Various Rotary kiln, -Chemical Reactor, incinerator, Non Ferrous, metal Furnace, -Glass furnace -General Industrial Furnace etc. |
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