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What is Aluminum Oxide? Aluminum oxide Al2O3 is a chemical compound with an inorganic formula. This is a hard compound that has a melting and boiling point of 2960degC. It is a crystalline ion that can be ionized under high temperatures.
Aluminum oxide, also known as aluminum oxide, is a white solid, which is not soluble in any liquid, has no taste or odor, and it’s extremely hard. It is a white solid that absorbs water easily, but it doesn’t deliquescence. Aluminum oxide is amphoteric oxide, soluble only in inorganic acid solutions and alkaline solution, and corrosion resistant.
Application of nano Aluminum oxide
Material for coating lithium battery separators
The high-purity Nano-Aluminum dioxide is used to coat the positive and negative separators in lithium batteries. These coatings are responsible for heat resistance, resistance to high-temperatures, and insulation. They can also prevent overheating of the power battery due to temperature. The battery is melted and short-circuited.
Lithium cathode additives for batteries:
High-purity Nano-Aluminum doped by lithium cobalt, lithium manganate etc. Improve thermal stability, cycle performance, overcharge resistance and inhibit oxygen generation. Reduce the electrochemical loss of specific capacity, increasing the specific capacity LiCoO2.
Catalyst Carrier:
High-purity g-type Nano- Aluminum oxide This porous material has a surface area per gram of hundreds of square metres, a high level of activity and a strong adsorption ability. It is widely used in the petrochemical and petroleum industry as an adsorbent. Its drying capability is equal to that of pentoxide phosphorus. After usage, it can also be regenerated by heating to 175degC and using for 6-8h.

Anti-caking powder coating
Powder coatings are made with nano aluminum oxide, which has an anti-caking and bulking effect. Nano-Aluminum can be used to prevent powder from agglomerating during summer. It also has excellent storage properties, especially for powders in environments with high temperatures and high humidity.
Wear-resistant Hardener for Coatings, Rubber, and Plastics
Adding Nano-Aluminum to the paint, a coating that is 5-20% nano-aluminum oxide can significantly improve wear resistance. This wear resistance is up to five times better than the traditional coatings. Nano-Aluminum dioxide can be added to paints in order to form a uniform, very hard, fine network structure on the paint’s surface. This will protect the polymer paint below the layer from damage. Nano paint has a superior anti-scratch property than the original. Its hardness is increased by three times, and it is widely used for automotive paints. Addition of Nano aluminum oxide to the coating can increase its hardness by up to 6-7H. The coating’s transparency is not affected.
Thermal conductivity (thermal conductivity) of adhesives, coatings, rubbers and plastics
Nano-scale Aluminum Oxide has a high thermal conduction and has a large spherical amount of filling. Surface treatment agents like coupling agents can be used to improve the compatibility between the matrix resin and the filler. They also improve the thermal conduction of the matrix without reducing the mechanical properties.
Nano Aluminum oxide is high in purity, has uniform particle sizes, and is easily dispersed. Addition of VKL30 at a rate of 10% to sintered ceramics increases the molding pressure. It also reduces the number of pores. This results in a higher density ceramic green body.
Powder metals:
Nano Aluminum for Metallurgy with small particles, large specific surfaces, high activity. Adding 1-3% Nano Aluminum to prevent densification, enlargement of the crystal grains and enhanced hardness.
Aluminum oxide particles are uniform and have a highly spherical form. It is also a great material for metallographic polishing. It can be used to polish optical glass, stainless steel mirrors, optic glass, spectacle lenses, resin lens, zinc, Germanium, or cast iron.

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