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Alumina Custom Parts

Alumina Custom Parts

Alumina custom parts are specialized components made of alumina ceramic material, also known as aluminum oxide (Al2O3), that are designed and manufactured according to specific customer requirements. 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 custom parts are typically produced through a process of shaping and sintering of alumina powder, resulting in a dense and uniform ceramic structure. They can vary in size, shape, and surface finish depending on the intended use and application.

Alumina custom parts have excellent mechanical and electrical 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 custom parts can be designed and manufactured for a wide range of industrial applications, such as in aerospace, automotive, and electronics industries. They can be used as components in machinery, equipment, and devices, such as furnace tubes, crucibles, bearings, insulators, and sensors.

Custom parts made of alumina ceramic can also be used in medical and dental applications, such as dental implants, artificial joints, and surgical instruments. Alumina custom parts are biocompatible, non-toxic, and non-reactive, making them ideal for use in contact with the human body.

Overall, alumina custom parts are a reliable and versatile material that offer excellent performance and longevity in a variety of industrial, scientific, and medical settings. They can be tailored to specific requirements and provide exceptional properties and durability 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 Custom Parts 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 Custom Part 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 ceramic parts. Please notice that the property for customized aluminum oxide parts could vary due to different process. CG Material is a specialized ceramics manufacture, we could provide Al2O3 products produced under your specified instruction or do the best to meet customers’ requirements.

Alumina Custom Part Applications

Alumina ceramic custom parts are used in the following 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 electrical insulators.
• Used as a material for industrial furnaces due to its ability to maintain its hardness at high temperatures.
• Used as protector for high temperature thermal couples.
• Used as a material for chemical industry due to its high corrosion resistance.


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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