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The properties of spherical-alumina
Ultra-fine, spherical, alumina has many excellent properties, including high resistance to corrosion, high temperatures resistance, high hardness and strength, wear resistance as well as oxidation resistance. It is widely used in metallurgy as well as electronics, national defense and aerospace, nuclear industry, and other areas. High-tech field.
Application of spherical allumina
1. Ceramic additives
Addition of a small amount of nanospherical allumina powder to ceramics can help to solve problems such as low-temperature brittleness or narrow application range. These ceramics can then be converted into low-temperature plastics spherical ceramics.
2. Composite materials
Nano-spherical powdered alumina can be used to create new composite ceramic materials with unique properties. It can also be used to make artificial tooth and bone.
3. Coatings to protect the surface
Spherical alumina powder particles can be sprayed on metals, polymers, etc. to improve hardness, corrosion resistance wear resistance and fire resistance. They can also be used as surface protection for machinery, knives and chemical pipelines.
4. Optical materials
The absorption of ultraviolet light is strong for nano-sized spherical powdered alumina. Its wavelength is below 250nm. The blue shift phenomenon of nanoultraviolet absorbtion can be used to absorb the spherical, alumina powder. Harmful ultraviolet radiation is not harmful and does not affect the phosphor’s luminescence. The nano-spherical form of alumina can also be used in high-pressure sodium lamps to create transparent ceramics. Rare-earth phosphors can also be used as the luminescent material in the luminous lamp. It will not only lower the cost, but also prolong the life of the luminous bulb.
5. Semiconductor materials
The nano-scale, spherical alumina dust is very sensitive to humidity. It has an extremely high value in temperature sensors and can be widely used for substrate materials in large-scale integrated Circuits.
Tech Co., Ltd. is a professional spherical supplier of alumina with over 12 years’ experience in chemical products development and research. We accept payments via Credit Card and Paypal. We will ship goods overseas via FedEx, DHL and by air or sea to our customers.
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