CAS No: 1344-28-1 ENINEC No: 215-691-6 MF:Al2O3 Grade Standard:Industrial, Reagent Purity:99.99% Appearance: White Powder Application:Rubber modified, Ceramics Size:80-100nm Shape:Spherical Form: Alpha Note: We can supply different size products of Nano al2o3 powder according to client's requirements.