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product name: | 01-mm BFA refractory material/0-1mm brown aluminum oxide as the refractory |
| Place of Origin: | Peoples Republic of China | |
| Post Date: | July 31, 2019 | |
| Edit Date: | August 19, 2021 | |
Detailed Product Description:
Brown fused alumina is made of bauxite, anthracite coal, and smelted .Suitable for grinding, polishing,
sandblasting, precision casting etc.and also used for refractory material.
*Features:
Physical properties
|
Color |
BROWN,RED BROWN |
|
Mohs Hardness |
9.0 |
|
Bulk Density |
1.53-1.99g/cm3 |
|
Specific Gravity |
3.95g/cm3 |
|
Volume Density |
3.6g/cm3 |
|
Melting Point |
2250°C |
|
Maximum service temperature |
1900°C |
Chemical Composition
REFRACTORY GRADE
|
Chemical Properties (% wt) |
Item |
Typical |
Min |
Max |
|
Al2O3 |
96.10 |
95.50 |
- |
|
|
Fe2O3 |
0.14 |
- |
0.30 |
|
|
SiO2 |
0.85 |
- |
1.00 |
|
|
TiO2 |
2.20 |
- |
3.00 |
|
|
CaO |
0.15 |
- |
- |
|
|
MgO |
0.22 |
- |
- |
|
|
Physical Properties(% wt) |
Magnetics |
0 |
- |
0.05 |
|
Moisture |
0.05 |
- |
0.20 |
|
|
Hardness |
2090 Knoop |
9 Mohs |
- |
|
|
Bulk density g/cm3 |
|