Physical Index of White Fused Alumina:
Color |
White |
Basic Mineral |
α-Al2O3 |
True Density |
3.96g/cm3 |
Bulk Density |
1.75-1.95g/cm3 |
Microhardness |
HV2200-2300 |
Mohs Hardness |
9.0 |
Melting Point |
2250℃ |
Chemical Composition of White Fused Alumina:
Typical Value:
Al2O3 |
99.65% |
Na2O |
0.25% |
Fe2O3 |
0.04% |
SiO2 |
0.03% |
Abrasives Grade:
Grit Size |
Al2O3 |
Na2O |
F12-220 |
>99.2% |
<0.35% |
F230-400 |
>99.2% |
<0.4% |
F500-1200 |
>99.0% |
<0.5% |
Refractory Grade:
Grit Size |
Al2O3 |
Na2O |
0-1mm |
>99.2% |
<0.4% |
1-3mm |
>99.2% |
<0.4% |
3-5mm |
>99.2% |
<0.4% |
200mesh |
>99.0% |
<0.5% |
325mesh |
>99.0% |
<0.5% |