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Nanometer alumina is an inorganic substance with the chemical formula Al₂O₃. It is a type of alumina powder or particle with a size at the nanometer level. It appears as a white crystalline powder with 11 crystal forms, including α, β, γ, δ, η, θ, κ, and χ2. Nanometer alumina is known for its porosity, high dispersion, and high activity, which contribute to its excellent performance in various applications.
1. Catalyst and Catalyst Carrier
Catalytic Reaction: Nano-alumina is widely used as a catalyst carrier due to its high specific surface area and excellent chemical properties. It provides more active sites, thereby enhancing the efficiency of catalytic reactions. This characteristic is crucial in various fields such as organic synthesis, automobile exhaust purification, and clean energy production.
Concrete examples: Nano-alumina catalysts are used in chemical processes, such as methane conversion and oxidation reactions, to enhance reactions.
Response Rate and Selectivity.
2. Electronics
Dispositivi elettronici: Nano-alumina possesses excellent electrical insulation properties and stability, making it extensively utilized in the fabrication of insulating layers in microelectronic devices. Per esempio, in dynamic random access memory (DRAM), nano-alumina can serve as an insulating material for capacitor layers to guarantee the proper functioning of capacitors.
Transparent Conductive Electrode: Nano-alumina film can also be utilized to create transparent conductive electrodes, offering technical support for the functionality of electronic devices.
3. Optical Field
Optical Coatings: Due to its high refractive index and transparency, nano-alumina can be utilized to create nano-scale optical coatings. These coatings can be applied to solar panels, Visualizza, windows, and other products to enhance reflection and transmission performance.
Optical Materials: Nano-alumina is also utilized in the preparation of optical materials like optical glass and optical fiber, which contributes to the advancement of optical communications and optical devices.
4. Polishing Material
Polishing Effect: Nano-alumina, a particle with high hardness, is extensively utilized in different polishing agents for processes like glass, ceramica, metals, and other material polishing. Its fine particle size and uniform distribution contribute to enhancing the polishing effect, resulting in a significant improvement in surface finish.
Application: Nano-alumina is suitable for metallographic polishing as well as for stainless steel, titanium metal, cast iron, aluminum, stone, dipingere, resin, PCB circuit boards, optical glass, glasses lenses, resin lenses, sapphire, LED, germanium, zinc, and other materials polishing. It offers advantages such as fast polishing, good brightness, and no scratches.
5. Thermal Conductive Packing
Thermal Conductivity: Nano-alumina exhibits excellent thermal conductivity and can be utilized in thermal conductive materials like thermal paste and thermal glue.
6. Paint field
Enhanced Performance: Nano-alumina can be incorporated into coatings to enhance hardness, resistenza all'usura, and corrosion resistance. Coatings infused with nano-alumina are extensively utilized in ships, Automobili, construction, and various other industries, significantly prolonging the lifespan of the coating.
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