|
項目 Project |
氧化鋁空心球磚 Alumina bubble brick |
||
|
GD-85 |
GD-90 |
GD-99 |
|
|
**使用溫度℃ The highest use temperature c |
1680 |
1750 |
1800 |
|
Al2O3% |
≥85 |
≥90 |
≥99 |
|
SiO2 % |
≤13 |
≤8 |
≤0.2 |
|
Fe2O3% |
≤0.2 |
≤0.2 |
≤0.2 |
|
體積密度（g/m3） The volume density (g/m fand) |
1.4—1.7 |
1.4—1.7 |
1.4—1.7 |
|
常溫耐壓強度Mpa The compressive strength of Mpa at room temperature |
≥12 |
≥ 10 |
≥9 |
|
荷重軟化開始溫℃（0.1MPa,0.6%) Load softening temperature (0.1MPa DEG C began, 0.6%) |
≥1650 |
≥1700 |
≥1700 |
|
重燒線變化率% (1600℃X3h)Reheating linear change rate (1600 degrees X3h) |
±0.3 |
±0.3 |
±0.3 |
|
熱膨脹系數10-6（室溫—1300℃） The thermal expansion coefficient of X10-6 (room temperature and 1300 C) |
~7.8 |
~8.0 |
~8.6 |
|
導熱系數（W/m.k）（平均溫度800℃） The coefficient of thermal conductivity (W/m.k) (the average temperature of 800 DEG C) |
≤0.8
|
≤1.3 |
≤1.5 |
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