what is the Nanometer Alumina?

Name:Nanometer Alumina
Appearance:White powder
Dosage:1%-5% , user should choose the best dosage through tests in different systems.
Application:
It can be used in many fields,such as:
1.Transparent pottery: high voltage nadium pipes, EP-ROM window;
2.Cosmetic filling;
3.Single crystal, red stone, blue stone, white stone, Yt-Al garnet;
4.High intensity alumina pottery, C base board, encapsulation material, sword ware, high pure pot, roller, bombardment traget,stove pipe;
from:Rare Metals