Alumina, Aluminum Oxide for Saphire Appearance:white powder or pallet CAS1344-28-1 Key supplier of Alumina,Aluminum Oxide High purity Alumina Exclusive for Saphire ProductionProduct Name: Alumina;Molecular Formula: Al2O3;CAS#: 1344-28-1;Molecular Weight: 101.9Technical Specifications Model AppearanceProduct NameAl2O3 content, %Original Diameter, nmD50, μmGranulation Particle Size, μmBulk Density, ...