Alumina crucible is a type of aluminum oxide ceramic products. SAM provides alumina ceramic products with high purity, tight dimensional tolerance, and competitive prices. All types of crucibles including MBE alumina crucibles and customized products are available.
Alumina crucible is a ceramic product with high thermal conductivity, compressive strength, and thermal shock resistance. It also has a low thermal expansion, making it a suitable material for furnace use in the crucible, tube, and thermocouple sheath form. Alumina has high hardness and good wear resistance, making it a suitable material for ball valves, piston pumps, and deep drawing tools. In addition, it can be easily combined with metals and other ceramic materials using brazing techniques and metalizing. Alumina crucibles can be used under high temperature and do not contaminate most molten metals.
|Tensile||30 Kpsi||32 Kpsi|
|Flexural||55 Kpsi||60 Kpsi|
|Compressive||300 Kpsi||330 Kpsi|
|Density||3.70 g/cc||3.92 g/cc|
|Hardness||13.8 HV, GPa||18 HV, GPa|
|Thermal Conductivity||25 W/(m K)||32 W/(m K)|
|C.O.T.E.||7.7 In / In°C (x107)||7.8 In / In°C (x107)|
|Working Temperature||1500 °C||1750 °C|
|Volume Resistivity||>10^14 Ohm-cm||>10^15 Ohm-cm|
|Dielectric Strength||16 KV/mm||20 KV/mm|
• Making parts for CVD, ion implants, photolithography, and semiconductor parts.
• Ideal for products such as injector tubes, gas nozzles, and insulators in traditional industries.
• Material for industrial furnaces.
• Protector for high-temperature thermal couples.
• Material for the chemical industry due to its high corrosion resistance.
Our Alumina crucibles are carefully handled to prevent damage during storage and transportation and to preserve the quality of our products in their original condition.
Prototyping service also available for other ceramics material
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