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High Alumina Bricks for Eaf Roofs
basic information
Detailed parameters
Product profile:High Alumina Bricks for Eaf Roofs
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HIGH ALUMINA BRICKS FOR EAF ROOFS |
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|
Goods Brand |
DL-80 |
DL-75 |
BDL-80 |
BDL-75 |
|
Al2O3(%) min |
80 |
75 |
80 |
75 |
|
Refractriness under load 0.2 Mpa (℃) min |
1530 |
1520 |
1530 |
1520 |
|
Apparent porosity (%) max |
19(21) |
19(21) |
18(20) |
18(20) |
|
Cold Crushing strength (MPa)min |
75 |
65 |
60 |
55 |
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Shrinkage after reheating 1500℃x2h (%) max |
0.2~-0.4 |
0.2~-0.4 |
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Thermal shock (1100℃water) |
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8 |
8 |
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High Alumina Bricks for General Use
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