1. Imitation jewel, analytical reagent, nano catalyst and carrier.

2. Used in luminescent material to enhance luminous intensity.

3. For ceramic and rubber toughening, compare with common Al2O3, the effect is much better, especially enhance ceramic compactness, smooth finish, cold heat fatigue, etc.

4. Nano Al2O3 is mainly used in YGA laser crystal accessories and intergrated circuit basal lamina.

5. Used in painting to enhance abrasive resistance.