ALPHA-ALUMINA

 

SYNONYM: α-ALUMINA

 

FORMULA: Al2O3

 

M. W.: 102

 

GRADE: LOW SODA

 

DESCRIPTION: DENSITY IS 3.95g/cm3.

 

SPECIFICATIONS:    

ITEM

SUPER

FIRST

SECOND

Al2O3 (%MIN.)

99

99

99

SiO2 (%MAX.)

0.06

0.08

0.10

Fe2O3 (%MAX.)

0.03

0.04

0.04

B2O5 (%MAX.)

0.05

0.06

0.15

Na2O+K2O (%MAX.)

0.06

0.10

0.20

L.O.I. (%MAX.)

0.15

0.15

0.20

α-Al2O3(%MIN.)

95

95

93

 

USES: WIDELY USED AS RAW MATERIAL OF ALUMINUIUM COMPOUND, ANTIBURNED FILLER OF PLASTIC, RUBBER AND SO ON.