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Qingdao Laurel Enterprise CO.,Ltd
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firebrick refractory fire proof bricks
| Place of Origin: | Zhejiang, China (Mainland) |
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Product Detail
High Alumina Bricks, Fire Brick Refractory For Ceramic Tunnel Kiln, Iron Making Furnaces Firebrick
High Alumina Bricks, Fire Brick Refractory For Ceramic Tunnel Kiln, Iron Making Furnaces Firebrick
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
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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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