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Alumina Complex Shapes

Alumina Complex Shapes

Alumina complex shapes are custom-made ceramic components produced from alumina, also known as aluminum oxide (Al2O3). Alumina is a highly durable and heat-resistant material that is widely used in various industrial applications, such as electrical insulation, refractory lining, and high-temperature processing.

Alumina complex shapes are typically produced through a process of shaping and sintering of alumina powder, resulting in a dense and uniform ceramic structure with complex geometries and features. The shape, size, and features of alumina complex shapes can vary depending on the intended use and application.

Alumina complex shapes have excellent thermal and mechanical properties, including high strength, hardness, and thermal conductivity. They are also resistant to chemical corrosion, making them suitable for use in harsh and corrosive environments.

Alumina complex shapes are used in a wide range of industrial applications, including semiconductor manufacturing, aerospace, automotive, medical, and electronic industries. They are commonly used in applications such as electrical insulation, thermal management, and wear-resistant components.

Alumina complex shapes can be produced in various forms, including tubes, rods, plates, crucibles, boats, and other custom shapes. They can be designed to meet specific requirements, such as precise dimensions, complex geometries, and intricate features.

Overall, alumina complex shapes are a reliable and versatile material that offer excellent thermal and mechanical properties and longevity in a variety of industrial applications. They provide exceptional performance in harsh environments, while maintaining high efficiency and reliability over time. They can be custom-made to meet specific requirements, making them ideal for a wide range of applications.


Catalog No. CERAMICS
Size Customized
Material Al2O3
Purity 95% 99% 99.7%
Density 3.8~3.9 g/cm3


At CG Material, we offer high quality Alumina Complex Shapes with exceptional purity and precision in terms of size. Our products range in diameter from 1mm to 100mm and have a purity level of up to 99.8%. We also provide custom manufacturing options for special shapes to meet specific needs.



Alumina Complex Shape Specifications 

Composition AL97 AL98
AL2O3 Content 97% 99.80%
Color White Ivory
Tensile 30 Kpsi 32 Kpsi
Flexural 55 Kpsi 60 Kpsi
Compressive 300 Kpsi 330 Kpsi
Density 3.7 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. 77 In / In°C (x10^7) 78 In / In°C (x10^7)
Working Temperature 1500 °C 1750 °C
Dielectric Constant 9.5 9.8
Volume Resistivity >10^14 Ohm-cm >10^15 Ohm-cm
Dielectric Strength 16 KV/mm 20 KV/mm


*This chart just demonstrates the typical properties of common alumina materials we use to produce our alumina parts. Please notice that the property for customized alumina parts could vary due to different process. CG Material could provide aluminum oxide ceramic products produced under your specified instruction, or do the best to meet customers’ requirements.

Alumina Complex Shape Applications

• Used for making parts for CVD, ion implants, photolithography, and semiconductor parts.
• In traditional industries, alumina ceramics are ideal for products such as injector tubes, gas nozzles and insulators.
• Alumina tubes are widely used as protector for high temperature thermal couples.



We handle our products with care to ensure they remain in their original condition during storage and transportation and to preserve their quality.



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