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Sintered spinel is using industrial alumina or high grade bauxite mixed with high purity caustic magnesia powder as raw material, sintered by rotary kiln. It is characterized by big hardness, small coefficient of thermal expansion, etc. It`s ideal raw material of ladle castable and magnesia spinel bricks, extensively applied to the lining of converter, glass kiln, open hearth, casting ladle etc.
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Index |
Al2O3% |
MgO% |
SiO2% |
Fe2O3% |
CaO% |
B.D g/cm |
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HMAS-76 |
74-76 |
22-24 |
≤0.20 |
≤0.20 |
≤0.30 |
≥3.30 |
|
HMAS-66 |
64-66 |
32-34 |
≤0.30 |
≤0.30 |
≤0.50 |
≥3.25 |
|
HMAS-50 |
49-51 |
47-49 |
≤0.35 |
≤0.50 |
≤0.65 |
≥3.25 |
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Grain Size |
0-30mm Can process different sizes per customer's request |
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Index |
Al2O3% |
MgO% |
SiO2% |
Fe2O3% |
CaO% |
TiO2% |
B.D g/cm |
|
MAS-70-30 |
58-62 |
28-32 |
≤3.00 |
≤2.00 |
≤1.50 |
≤3.0 |
≥3.10 |
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Grain Size |
0-30mm Can process different sizes per customer's request |
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