Home > Products > alumina bubble brick > 2012 hot sale Hollow Alumina Spherere Refractory Bricks factory
2012 hot sale Hollow Alumina Spherere Refractory Bricks factory
Negotiable
/ Kilogram
10 Kilograms(Min. Order)
- Qingdao
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Product Details
| Place of Origin | Shandong, China | Brand Name | Leibao | |
| Type | Other, Alumina Brick | Porosity | Hollow | |
| Color | Other, white ,yellow, white | Function | Acid Resistance Bricks, Firebricks | |
| Feature | Angle Bricks, Thin Bricks | Technique | Sintered |
Product Description
Specifications
Hollow Alumina Sphere Refractory Bricks1,high temperature resistance
2.low thermal conductivity
3. good thermal insulation
Hollow Alumina Sphere Refractory Bricks
Scope of application
They are 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 | |
Soften point at 0.1MPa KD°C≥ | 1650 | 1650 | 1700 | 1700 | |
Fire resistant (°C)≥ | 1800 | 1800 | 1800 | 1800 | |
Thermal conductivity Hot side 1000°C W/m.k≤ | 1.2 | 0.95 | 1.05 | 1.15 | |
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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