300 C 572 F. Aluminium oxide is an inert odourless white amorphous material that is used in various industries owing to its exquisite thermal mechanical and chemical properties. Aluminum Oxide Al2o3 Nanopowder Nanoparticles Alpha High Purity 99 95 Size 136 Nm Hydrophilic Visit BYJUS to understand the properties structure and uses of Aluminium oxide Al2O3 explained by Indias best teachers. . Aluminium is a silvery-white soft nonmagnetic ductile metal in the boron group. Its crystalline form corundum is very hard Mohs hardness 9 has a high melting point of 2045 C 3713 F has very low volatility is chemically inert and a good electrical insulator. Bi 2 O 3. The melting point is the highest temperature at which crystallization may occur. Aluminium hydroxide also forms a. Chemical Properties of Aluminium Oxide 1. As 2 O 5. Pure aluminium is a silver-white metal with many desirable features. What that means is th...