Dense Alumina

Dense alumina is a general-purpose it that reduces the purity of alumina and is a cost-effective material. In addition to purity variations such as 92%, 96%, and 98% alumina, there are also various colors of alumina such as chrome pink, manganese pink, red, dark brown, black, and light blue, which can be selected according to needs.

1. Density and hardness: The density of alumina is 3.9~4.1g/cm³, which has excellent mechanical strength and hardness. Its Mohs hardness is 9, second only to diamond, carbide and other materials, so it has excellent wear resistance.

2. Electrical properties: Alumina has good electrical insulation and high dielectric constant, making it an ideal material for various sensors, electronic/electrical parts, and high-temperature insulation parts.

3. Transparency and optical properties: Alumina has good transparency and can prepare high-quality transparent glass and optoelectronic device materials.

4. Chemical stability: Alumina is an inorganic oxide with inert chemical properties, insoluble in water and most inorganic acid and alkali solutions, and does not react with most substances at room temperature. But under high temperature and strong alkali medium, aluminum oxide can be reduced.

Adsorption properties: Alumina has adsorption properties, such as adsorbing water and gas.

5. Heat resistance: Alumina has excellent heat resistance and high thermal shock resistance, and is suitable for various furnace materials and heat treatment equipment components.

6. Melting point and thermal stability: Alumina has a high melting point, good thermal stability, and can withstand high temperature and high pressure environments.

7. Density: The ionic bonds of alumina have very strong bond strength and energy, making alumina solid at room temperature and normal pressure, and have relatively high density and hardness. Its crystal structure is tightly packed, giving aluminum oxide its hard and dense properties.

1. Aerospace field: Because it has high strength, high wear resistance and high temperature resistance, it is often used to manufacture key components such as spacecraft heat radiation plates and engine propulsion hoops. These parts need to withstand extremely high temperatures and pressures, and the excellent properties of it enable them to meet these harsh working conditions.

2. Medical device field: it is non-toxic and tasteless and does not produce harmful substances. Therefore, it is widely used in the manufacture of medical devices, such as artificial joints, dental braces, etc. Its hardness and wear resistance also allow these medical devices to have a longer service life.

3. Electronic components: The high insulation and chemical stability of it make it an ideal manufacturing material for electronic components. For example, it can be used to manufacture key components such as capacitors, potentiometers, and insulators to ensure the stable operation of electronic equipment.

Chemical materials field: it can also be used as an additive for chemical materials, such as sodium aluminum silicate, to enhance the corrosion resistance and other physical properties of materials.

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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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