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기계가공 세라믹 주문제작 - Alumina (Aluminium Oxide, Al2O3) Custom made
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속성 (Property) |
단위(Unit) |
순도 99% |
순도 95% |
순도 85% |
기반물질 (The main chemical ingredient) |
|
Al2O3 |
Al2O3 |
Al2O3 |
밀도 (Bulk Density) |
g/cm3 |
3.89 |
3.6 |
3.4 |
최대사용온도 (Max Temp) |
°C |
1600oC |
1450oC |
1400oC |
수분흡수율 (Water absorption) |
% |
0 |
0 |
< 0.2 |
휨-경도 (Flexural strength) |
20°C, MPa(Psi x 103) |
550 |
358(52) |
300 |
열팽창계수 (Coefficient of thermal expansion) |
25~1000 °C, 1X 10-6/°C |
7.9 |
7.6 |
7 |
열전도율 20°C (Coefficient of thermal conductivity) |
20°C, W/m°K |
30 |
16 |
18 |
 95% 알루미나 그라인더용(소금,커피,후추) |
 95% 알루미나 섬유직기 기계용 |
 96% 알루미나 기판 |
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 95% 알루미나 그라인더용(소금,커피,후추) |
 95% 알루미나 그라인더용(소금,커피,후추) |
 99% 알루미나 |
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 99% 알루미나 |
 99% 알루미나 |
 95% 알루미나 그라인더용(소금,커피,후추) |
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 99% 알루미나 |
 99% 알루미나 |
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