|
项目 Project |
氧化铝空心球砖 Alumina bubble brick |
||
|
GD-85 |
GD-90 |
GD-99 |
|
|
**使用温度℃ The highest use temperature c |
1680 |
1750 |
1800 |
|
Al2O3% |
≥85 |
≥90 |
≥99 |
|
SiO2 % |
≤13 |
≤8 |
≤0.2 |
|
Fe2O3% |
≤0.2 |
≤0.2 |
≤0.2 |
|
体积密度(g/m³) The volume density (g/m fand) |
1.4—1.7 |
1.4—1.7 |
1.4—1.7 |
|
常温耐压强度Mpa The compressive strength of Mpa at room temperature |
≥12 |
≥ 10 |
≥9 |
|
荷重软化开始温℃(0.1MPa,0.6%) Load softening temperature (0.1MPa DEG C began, 0.6%) |
≥1650 |
≥1700 |
≥1700 |
|
重烧线变化率% (1600℃X3h)Reheating linear change rate (1600 degrees X3h) |
±0.3 |
±0.3 |
±0.3 |
|
热膨胀系数10-6(室温—1300℃) The thermal expansion coefficient of X10-6 (room temperature and 1300 C) |
~7.8 |
~8.0 |
~8.6 |
|
导热系数(W/m.k)(平均温度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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