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Luoyang Keguan Refractory Material Co., Ltd.
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standard size of alumina fire brick
OverviewQuick DetailsPlace of Origin:Henan, China (Mainland)Brand Name:KeguanModel Number:standard size of alumina fire brickType:Clay Brick
$1000 /MetricTon
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Specifications
Alumina bricks is widely used in carbon black furnace, gasifier, gas furnace, hydrogen furnace, and so on.
The index for the alumina brick as below:
| light weight Corundum Mullite Brick | Alumina bubble brick | Alumina bubble brick | Alumina bubble brick | |
| Maximum service temperature, % | 1630 | 1680 | 1700 | 1800 |
| Al2O3,% ≥ | 75 | 90 | 96 | 99 |
| Fe2O3,% | 0.5 | 0.2 | 0.2 | 0.15 |
| Buik density g/cm3 | 1.2 1.5 | 1.4 1.7 | 1.4 1.7 | 1.4 1.7 |
| Cold crushing strength MPa | 8-10 | ≥ 20 | ≥ 20 | ≥ 19 |
| bending strength MPa | 4.5 | 5.8 | 5.8 | |
| After line change burning≤ | 0.38 | -0.2 | -0.2 | ±0.3 |
| (1600 × 8 hour) | (1650×8hour) | (1650 ×8hour) | (1600× 8hour) | |
| thermal expansion rate≤ | 0.56 | 0.67 | 0.67 | 8.6 |
| (1000) | (1000) | (1000) | (1300) | |
| thermal conductivity | 0.8 | 1 | 1 | 1 |
| ( 300±25) |
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