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Qingdao Laurel Enterprise CO.,Ltd
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Fire Resistant High Alumina Bricks, Refractory Insulating Brick For Steel Furnaces, Cement Kiln
| Place of Origin: | Zhejiang, China (Mainland) |
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Product Detail
Fire Resistant High Alumina Bricks, Refractory Insulating Brick For Steel Furnaces, Cement Kiln
Fire Resistant High Alumina Bricks, Refractory Insulating Brick For Steel Furnaces, Cement Kiln
Description:
Laurel high alumina bricks are produced with selected bauxite chamotte by advanced process and strict quality control. The main mineral components are corundum and mullite phases. It features excellent high temperature mechanics and chemical corrosion resistance.
Features
1.Resisting high temperature
2.Great bulk density
3.Low iron content
4.Good eroding resistance
Applications:
1. Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln
Specifications:
Ordinary High alumina brick
|
Item |
HA60 |
HA70 |
HA75 |
HA80 |
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AL2O3(%) |
≥60 |
≥70 |
≥75 |
≥75-80 |
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SIO2(%) |
32 |
22 |
20 |
≥18 |
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Fe2O3(%) |
≤1.8 |
≤1.8 |
≤1.8 |
≤1.8 |
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Refractoriness °C |
1790 |
1800 |
1825 |
≥1850 |
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Bulk density,g/cm3 |
2.4 |
2.45-2.5 |
2.5 |
2.55-2.6 |
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Softening temperature under load |
≥1470 |
≥1520 |
≥1530 |
≥1550 |
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Apparent porosity,% |
22 |
21 |
21 |
20 |
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Cold Crushing strength Mpa |
≥45 |
≥50 |
≥54 |
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