Brown Fused Alumina
Brown Fused Alumina for Refractory Raw Material
Brown fused alumina is fused in the electric furnace with the high quality abrasive grade bauxite , coal and scrap iron as the raw material.
Brown Fused Alumina for refractory is characterized by high purity, good crystal, strong fluidity, low coefficient of linear expansion ,good corrosion-resistance and so on. Brown Fused Alumina can’t burst、pulverizeand crazein the using course. In particular, its performance-cost ratio is much higher than traditional Brown Fused Alumina, making Brown Fused Alumina become the best aggregate and padding of brown fused alumina refractory materials.
Brown Fused Alumina
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Purpose |
Specification |
Chemical composition(%) |
Magnetic material content(%) |
||||
|
Al2O3 |
Fe2O3 |
SiO2 |
TiO2 |
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|
For refractory |
Size sand |
0-1mm 1-3mm 3-5mm 5-8mm |
95Min |
— |
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|
0-3mm 0-5mm 0-10mm |
95Min |
|
— |
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|
Fine powder |
180#-0 200#-0 325#-0 |
— |
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|
Physical Properties |
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|
Colour |
True Density |
Mohs Hardness |
Melting Temperature |
Crystal System |
Refractory Temperature |
|
Brown |
|
2050℃ |
trigonal system |
1900℃ |
|
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