Zhengzhou Xinyu Import Export Trade Co., Ltd.
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AL2O3-C Brick Series/Blast Furnace Refractory Material/Good anti-alkalinity, anti-slag erosion and micro-porosity
Alumina-Carbon Brick Series used for lining of bosh, belly and cooling wall of large and middle sized blast furnaces.
Product description:
The product is made by adopting special grade bauxite clinker,corundum and graphite as main raw materials, adding several kinds of super fine powder as additives,featuring micropore structure,good alkali resistance and high thermal conductivity.It is used for lining of bosh, belly and cooling wall of large and middle sized blast furnaces.
Physical and chemical indicators:
| Item
Brand | Sinterde micropore AL2O3-C bricks | Unburned AL2O3-C bricks | ||
|---|---|---|---|---|
| XY-WLT-A | XY-WLT-B | XY-WLT-C | XY-UAL-60 | |
| Al2O3/%,≥ | 65 | 60 | 55 | 60 |
| C/%,≥ | 11 | 11 | 9 | ≥20 |
| SiC/%,≥ | -- | -- | -- | |
| Fe2O3/%,≤ | 1.5 | 1.5 | 1.5 | -- |
| Bulk density (g/cm3),≥ | 2.85 | 2.65 | 2.55 | 2.80 |
| Refractoriness under load,0.2MPa,℃(≥) | 1650 | 1650 | 1600 | 1700 |
| Apparent porosity,≤ | 16 | 17 | 18 | 8 |
| Crushing strength,≥ | 70 | 60 | 50 | 45 |
| Corrosion index to hot metal,1100℃,% | ≤2 | ≤3 | ≤4 | -- |
| Permeability,mDa | ≤0.5 | ≤2 | ≤2 | -- |
| Average pore size,μm | ≤0.5 | ≤1 | ≤1 | -- |
| TC(0-800℃),W/m.K | ≥13 | ≥13 | ≥13 | -- |
Acco Production and inspection :
Packaging and transportation: