Alumina powder is made from gigh- temperature calcinations and crushed by use of the fine-quality alumina or aluminina hydroxide.there are dry process and wet process of the grinding.the grinding equipments are complete and advanced,the quality is stable and the particle size distribution is reasonable.it  can meet the demands of different uses and technics.it is suitable for making refractory material,boule refractory material,high strength ceramics of daily use,high technoligy ceramics as well as nonmetallic materials.

Al2O3:99%MIN

Fe2O3:0.2%MAX

SiO2:0.05%max

N2O:0.3%max

LOI:0.1Max

True density(g/cm3):3.95min

Size:325mesh,500mesh,800mesh,1000mesh,D50:3-5um,D50:1-2um,D50:1um max

Pachage:according to customer¡®s requirement.