... ) 1,high purity 2,high quality nano - Al2O3 aluminum oxide nanopowder/nanoparticles dispersion/liquid/solution(Alcohol) ... Basic Information: Molecular formula: Al2O3 MW: 101.96 Melting point: 2050 °CBoiling point: ... ruby and sapphire4. High strength alumina ceramics substrate plate, crucible, cutting tool,5. Polishing materials, glass materials, metal ...