Alumina Ceramic

Alumina ceramic is a ceramic material based on aluminum oxide (Al₂O₃) and has the same sintered crystal as sapphire and ruby. This ceramic material has excellent conductivity, mechanical strength, high temperature resistance, high resistivity, wear resistance, chemical resistance, high density and good insulation properties. Alumina ceramics are also widely used in the optoelectronic industry because of their high light transmittance, low thermal expansion coefficient and other properties.

1. Physical properties: its have the characteristics of high hardness, high melting point and high thermal expansion coefficient. Its hardness is second only to diamond and sapphire, and is one of the hardest among all common ceramic materials. Its melting point is approximately 2072°C, which means it can maintain stability in high temperature environments. At the same time, the thermal expansion coefficient of its is low and similar to that of metal, so it is not easy to deform at high temperatures.

2. Chemical stability: its have good chemical stability at room temperature, high stability to acids and alkali, and are not easily corroded. However, if it is exposed to water vapor or a harsh atmosphere at high temperatures for a long time, chemical changes may occur that reduce its corrosion resistance.

3. Insulation properties: it is an excellent insulating material with excellent electrical insulation properties. It can remain stable under high temperature and high pressure and is not easy to conduct electricity. Therefore, it is often used as insulating substrates for electronic devices, wire insulation sleeves, etc.

4. Thermal conductivity: Although it is an insulating material, its thermal conductivity is relatively high. This is because its are highly crystalline and dense, and the heat conduction path is relatively direct.

5. Biocompatibility: its are also widely used in the fields of medicine and biotechnology. They have excellent biocompatibility and will not cause irritation or toxic reactions to human tissues.

6. Wear resistance: its have excellent wear resistance, which is much greater than that of ordinary metals. It can withstand the erosion of high-speed fluids and hard particle media, and has excellent wear resistance and erosion resistance.

1. Mechanical field: its are widely used in the manufacturing of industrial components such as cutting tools, ball valves, grinding wheels, ceramic nails, and bearings due to their high hardness, excellent anti-wear properties, and good bending strength. These ceramic components can maintain excellent performance under high-speed operation or high-load working environments, improving the overall stability and durability of the mechanical system.

2. Electronic power field: its have excellent electrical insulation and can withstand extremely high currents, so it is widely used in the electronic power field. For example, it is often used as an insulator for large machinery, such as ceramic base plates, substrates, ceramic films, and transparent ceramics. In addition, its are also used to manufacture electronic materials, magnetic materials, etc.

3. Medical field: its are widely used in the manufacture of medical products such as artificial bones, artificial joints, and artificial teeth due to their good biocompatibility and wear resistance. These products can remain stable in the human body for a long time and effectively improve the quality of life of patients.

4. Chemical industry: its have excellent corrosion resistance and can work safely in most harmful chemical environments. Therefore, they are often used to manufacture chemical equipment and corrosion-resistant components.

5. Other high-tech fields: In addition to the above fields, its are also widely used in aerospace, high-temperature industrial furnaces, composite reinforcement and other fields. Its excellent high temperature resistance and stable physical and chemical properties make it a key material in these fields.

Custom processing: Yes

Microstructure:Polycrystalline

Large shipment of products, a wide range of applications, output value High products, the profit margins will not be too low.
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We have an efficient management team and scientific management system to ensure smooth and efficient business operations.

We have gathered a group of high-quality and professional employees to provide a solid talent foundation for the development of the enterprise.

Our unique corporate culture and values ​​inspire the creativity and cohesion of our employees and enhance the overall competitiveness of the company.

We have strong financial strength and can support the long-term development of the enterprise and respond to various market challenges.
Possess quality management system certification, environmental management system certification, etc.

If you plan to order in large quantities to meet industrial, medical and academic needs, please note that we can customize parameters (such as size, length, purity, functionality, etc.) upon request.

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