Home > Products > alumina brick > bubble alumina brick Alumina insulating brick,thermal insulating brick
bubble alumina brick Alumina insulating brick,thermal insulating brick
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Product Details
| Place of Origin | Shandong, China | Shape | Brick | |
| Material | Alumina Block | Al2O3 Content (%) | 50 | |
| Brand Name | leibao |
Product Description
Specifications
bubble alumina brickhigh qulity and best price
chemical stability
Hollow Alumina Sphere Bricks ( bubble alumina brick)
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 | |
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.
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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