ALPHA-ALUMINA
SYNONYM: α-ALUMINA
FORMULA: Al2O3
M. W.: 102
DESCRIPTION: DENSITY IS ABOUT 3.93g/cm3
SPECIFICATIONS:
|
ITEM |
SUPER |
FIRST |
SECOND |
|
Al2O3 (%MIN.) |
99 |
98 |
97 |
|
SiO2 (%MAX.) |
0.06 |
0.10 |
0.15 |
|
Fe2O3 (%MAX.) |
0.04 |
0.05 |
0.10 |
|
B2O5 (%MAX.) |
0.04 |
0.20 |
0.40 |
|
Na2O+K2O (%MAX.) |
0.30 |
0.40 |
0.60 |
|
L.O.I. (%MAX.) |
0.20 |
0.20 |
0.40 |
|
α-Al2O3 (%MIN.) |
85-95 |
85-95 |
80 |
USES: WIDELY USED AS RAW MATERIAL OF ALUMINUIUM COMPOUND, ANTIBURNED FILLER
OF PLASTIC, RUBBER AND SO ON.