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bubble alumina brick 2014 shandong zibo
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Product Details
| Place of Origin | Shandong, China | Shape | Brick | |
| Material | Other, bubble alumina brick | |||
| Brand Name | leibao |
Product Description
Specifications
Hollow alumina sphere bricks use the hollow alumina sphere(bubble alumina) ,corundum powder, Calcined powder as raw material,
Hollow alumina sphere bricks use the hollow alumina sphere(bubble alumina) ,corundum powder, Calcined powder as raw material, through Homogenization, molding, high temperature sintering. high temperature resistance, low thermal conductivity, good thermal insulation, good chemical stability (acid-base erosion resistance ), low bulk density (lighter than the same kind of material ,thin kiln wall, low cost ) .widely used in inner linings of various non-contacted melt high temperature kiln and thermal insulating layers of high temperature kilns.
Physical and Chemical Indexes of Hollow Alumina Sphere Bricks | |||||
Name / Indexes/ Item | MLQ-1.5 | LQ-1.2 | LQ-1.5 | LQ-1.7 | |
Chemical composition | Al2O3 % ≥ | 84 | 98.5 | 98.5 | 98.5 |
Fe2O3 % ≤ | 0.8 | 0.3 | 0.3 | 0.3 | |
SiO2 % ≤ | 15 | 1.0 | 1.0 | 1.0 | |
Bulk density g/m3≤ | 1.5 | 1.2 | 1.5 | 1.7 | |
Compressive strength at normal temperature MPa≥ | 16 | 3 | 12 | 15 | |
Porosity % ≥ | 58 | 62 | 60 | 58 | |
Refractoriness Under load0.1MPa KD°C≥ | 1650 | 1650 | 1700 | 1700 | |
Fire resistant (°C)≥ | 1800 | 1800 | 1800 | 1800 | |
Thermal conductivity | 1.2 | 0.95 | 1.05 | 1.15 | |
If you are interested in our products, welcome to visit our factory.
Contact Us
- Shandong Leibao Zirconium Sci&Tech Co.,Ltd.
- Contact nameLeo Wang Chat Now
- Phone86-533-2184798
- AddressLijiatuan Village, Wangcun Town, Zhoucun District, Zibo, Shandong
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