白剛玉0-1mm1-3mm3-5mm5-8mm
簡介白剛玉0-1mm1-3mm3-5mm5-8mm
白剛玉0-1mm1-3mm3-5mm5-8mm是由優質氧化鋁在2000℃以上電弧爐中熔化冷卻而成。呈白色，主晶相為α-Al2O3。電爐生產的白剛玉具有容重高、氣孔率低的優點，體積穩定性和抗熱震性得到提高。
白剛玉 0-1mm1-3mm3-5mm5-8mm 物理性質和化學成分
|
物理性質 |
||
|
1 |
顏色 |
白色的 |
|
2 |
硬度：莫氏 |
9.0 |
|
3 |
堆積密度 |
1.75-1.95 克/立方厘米 |
|
4 |
比重 |
3.95g/cm3 |
|
5 |
熔點 |
2250℃ |
|
6 |
最高工作溫度 |
1900℃ |
|
典型化學分析 |
||
|
1 |
總 Al2O3 |
≥99.3% |
|
2 |
總 Fe2O3 |
≤0.05% |
|
3 |
總Na2O |
≤0.03% |
|
4 |
Total CaO |
≤0.02% |
|
5 |
總 K2O |
≤0.01% |
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