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Refractory Products
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Refractory raw materials
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General Refractory Products
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Fire clay and high alumna brick for hot-blast stoves
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Coke oven refractory bricks
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Refractory bricks for blast furnace
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Refractory for pretreatment of hot metal
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High alumni bricks for electric arc furnace roofs
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Refractory Bricks for circling furnace and refining furnace
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Ladle
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Con-casting refractory products
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Refractory for teeming
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Monolithic refractory& Others
Ladle
Lining Bricks
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
¡¡¡¡¡¡Brand
Item
Fire-clay
High-alumina
CN-40
CN-42
CL-48
CL-65
CL-75
AL2O3%
¨R
40
¨R
42
¨R48
¨R65
¨R75
Refractoriness ¡æ
¨R
1730
¨R
1750
¨R
1750
¨R
1790
¨R
1790
Refractoriness under load
KD
¡æ
¨R
1400
¨R
1430
¨R
1450
¨R
1490
¨R
1510
Permanent linear change on reheating %
1400
¡æ
¡Á
2h
0-0.3
1400
¡æ
¡Á
2h
0-0.3
1450
¡æ
¡Á
2h
0.1-0.4
1500
¡æ
¡Á
2h
0.1-0.5
1500
¡æ
¡Á
2h
0.1-0.5
Apparent porosity %
¨R
19
¨Q
18
¨Q
21
¨Q
28
¨Q
28
Cold crushing strength Mpa
¨R34.3
¨R39.2
¨R
34.3
¨R
34.2
¨R
39.2
Application
Ladle lining
Sp
ecial un
fired High-Alumina Bricks for Refining furnace and ladle
Item
Brand
AL2O3%
FE2O3%
Bulk density g/cm3
Apparent porosity %
Cold crushing strength Mpa
Refractoriness under load T2,
¡æ
Thermal linear expansion rate
1500
¡æ
¡Á
5h %
Refractoriness
¡æ
UH85K
¨R
85
¨Q
2.0
¨R
2.80
¨Q
19.0
¨R
50
¨R
1500
¨R
0.5
1790
¡¡
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