刚玉莫来石轻质砖
Corundum-Mullite Lnsulation Brick
项 目Ltem |
1500型 |
1550型 |
1600型 |
AL2O3% |
≥70 |
≥75 |
≥80 |
≥85 |
SiO2% |
≤28 |
≤23 |
≤18 |
≤13 |
Fe2O3% |
≤0.8 |
≤0.8 |
≤0.6 |
≤0.5 |
体积密度g/cm3
Bulk density |
1.3-1.6 |
1.3-1.6 |
1.3-1.7 |
1.3-1.7 |
常温耐压强度MPa
Cold crushing strength |
≥6 |
≥8 |
≥8 |
≥10 |
荷重软化开始温度℃(0.1MPa ,0.6%)
Refractoriness under load |
≥1500 |
≥1550 |
≥1600 |
≥1600 |
重烧线变化率%(1600℃x3h)
Reheating linear change |
±0.5 |
±0.5 |
±0.5 |
±0.3 |
导热系数w/(m.k)(平均温度800℃)
Thermal Conductivity |
≤0.48 |
≤0.53 |
≤0.7 |
≤0.72 |
最高使用温度℃
Max service temperature |
1500 |
1550 |
1600 |
1600 |
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