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| Place of Origin | Henan, China | Shape | Brick |
| Material | Alumina Block | SiO2 Content (%) | u22642.5% |
| Al2O3 Content (%) | 50%~55% | MgO Content (%) | 0 |
| CaO Content (%) | 0 | Refractoriness (Degree) | 1770u00b0< Refractoriness< 2000u00b0 |
| CrO Content (%) | 0 | SiC Content (%) | 0 |
| Model Number | RSLZ | Brand Name | RS |
| Al2O3(%) | 50%~55% | SIO2(%) | 32~18 |
| Na2O+K2O(%) | <2.3 | Refractoriness(u00b0C) | >1770 |
| Porosity(%) | <23 | Bulk density(g/cm3) | 2.2 |
| Cold cushing strength (mpa) | u226545 | Thermal expansion at 1000u00b0C(%) | u22640.3 |
| refractoriness under load 0.2mpa(u00b0C) | >1450 | keyword | High Alumina Bauxite Grog Brick |
High alumina brick application:
The high alumina bricks are widely applied to blast furnace,hot stove,electric stove,oven glass furnace and other thermal equipment.
High alumina brick physical and chemical indicator:
|
Al2O3 (%) |
≥60 |
≥70 |
≥75 |
78-80 |
|
SIO2 (%) |
32 |
22 |
20 |
≥18 |
|
Fe2O3 (%) |
≤1.7 |
≤2.0 |
≤1.8 |
≤1.8 |
|
Na2O+K2O(%) |
1510 |
>1520 |
≥1520 |
|
|
Porosity (%) |
22 |
|
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