A white, crystalline powder
Nano alumina, with the chemical formula Al2O3, is a white, crystalline powder that belongs to the inorganic substance.
The crystal types of nano alumina include eleven types, including α, β, γ, δ, η, θ, κ and χ. These particles are usually between 1~100 nm in size, with large specific surface area and special physicochemical properties. Nano alumina has a wide range of applications, including catalysts and carriers, artificial gemstone manufacturing, analytical reagents, electronic devices, biomedical, coatings, rubber, plastic wear-resistant reinforcements, advanced water-resistant materials, etc. It has the characteristics of high hardness, high strength, corrosion resistance, wear resistance, high temperature resistance, high insulation, high oxidation resistance, etc., and has important applications in aerospace, national defense, chemical industry, microelectronics and other fields.