Fused Magnesia-Alumina Spinel
YUExING's Fused Magnesia-Alumina Spinel is manufactured by smelting industrial alumina (z98.50%) and light calcined magnesia (z96.0o%) at high temperature in an electric arc furnace.
Product Features
Well-developed crystals
Structural stability
Excellent erosion resistance
High temperature volume stability
Chemical corrosion resistance
Low thermal conductivity
Applications
Ladle bricks
Glass melting furnace
Long nozzle
High-temperature kiln furniture
Cement kiln transition zone lining
Refractory castable
Physicochemical Characteristics
| Product | Product Model | Chemical Composition(%) |
Bulk Density (g/cm3) |
Granularity | ||||
|---|---|---|---|---|---|---|---|---|
| Al2O3 | MgO | Al2O3+MgO | SiO2 | Fe2O3 | ||||
| High Grade Fused Mg-Al Spinel | A60 | ≥ 60 | 30-40 | ≥ 98 | ≤ 0.60 | ≤ 0.40 | ≥ 3.20 |
0-20 mm 20-1000 mesh |
| A70 | ≥ 70 | 20-30 | ≥ 98 | ≤ 0.50 | ≤ 0.40 | ≥ 3.20 |
0-20 mm 20-1000 mesh |
|
| A80 | ≥ 80 | 10-20 | ≥ 98 | ≤ 0.40 | ≤ 0.30 | ≥ 3.20 |
0-20 mm 20-1000 mesh |
|
| A90 | ≥ 90 | 5-10 | ≥ 98 | ≤ 0.30 | ≤ 0.20 | ≥ 3.20 |
0-20 mm 20-1000 mesh |
|
| Medium Grade Fused Mg-Al Spinel | - | 40-58 | 36-55 | ≥ 90 | ≤ 6.0 | ≤ 1.5 | ≥ 3.20 |
0-20 mm 20-1000 mesh |
Note: Products can be customized based on specific customer requirements.
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