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Alumina Insulating Brick,thermal Insulating Brick2014
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Product Details
| Place of Origin | Shandong, China | Shape | Brick | |
| Material | Alumina Block | SiO2 Content (%) | 13max | |
| Brand Name | leibao |
Product Description
Specifications
Bubble Alumina Insulation Brick1.High mechanical strength
2.Low bulk density
3.Low liner change on reheating
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.
Established in 2001, Zibo Zhoucun Leibao Refractories Co., Ltd. is a manufacturer and trader specialized in the research, development and production of zirconia products. We are located in Zibo, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
If you are interested in any of our products or would like to discuss a customized order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.
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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