Al2O3 ≥%

Na2 O ≤%

Fe2O3 ≤%

SiO2 ≤%

TiO2 ≤%

loss on ignition≤%

density g/cm3

α-Al2O3 ≥%

primary particle size (μm)

specific surface area (m2/g)

99.40

0.30

0.02

0.018

0.006

0.20

3.93

93

0.2-0.5

8-10