Magnesium-alumina-spinel, CerMag90
Quality Specifiecations
| MATERIAL |
QA DOC NO |
Rev. Date |
| Fused Spinel 90% |
FS90/001 |
7/1998 |
Description
A high quality Electrofused product.
A co-fusion of calcined alumina and sea-
water magnesia. Main component magnesium spinel with
free corundum
Chemical Analysis %
| Element |
Typical(%) |
Specifications(%) |
| SiO2 |
0.03 |
max. 0.06 |
| Al2O3 |
90.0 |
min. 89.0 |
| Fe2O3 |
0.07 |
max. 0.09 |
| CaO |
0.08 |
max. 0.10 |
| MgO |
9.00 |
max. 10.0 |
| K2O}Na2O} |
0.18 |
max. 0.25 |
Typical Physical Characteristics
| Water Absorption |
Apparent Porosity |
| 1.0 max. |
3.0 max. |
| 
