Home > Products > Insulation Bricks > Refractory alumina bubble brick for breast wall of ceramic kilns
Refractory alumina bubble brick for breast wall of ceramic kilns
- 3000 Ton / Tons per Month
- Tianjin Shanghai Qingdao
- T/T
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Product Details
Place of Origin | Henan, China | Shape | Brick | |
Material | Alumina Block | SiO2 Content (%) | 13,8,0.2 | |
Al2O3 Content (%) | 85,90,99 | |||
Model Number | AKZ-85,AKZ-90,AKZ-99 | Brand Name | Sunrise |
Product Description
Specifications
1.High purity;2.High mechanical strength;
3.Low thermal conductivity;
4.Good stability
The alumina bubble brick used the alumina hollow ball as the main raw material, high-performance powder as additives, and organic material from the temporary binding agent .After mixing, drying, forming, and firing at high temperature shuttle kiln made.
The bubble alumina brick are mainly used for lining of high temperature furnace and industry ceramic, electrical ceramic, petrochemical and metallurgical industries, as well as the insulation material for super high temperature furnace.
Physical and chemical index
Item | AKZ-85 | AKZ-90 | AKZ-99 | |
Chemical composition | Al2O3 | ≥85 | ≥90 | ≥99 |
SiO2 | ≤13 | ≤8 | ≤0.2 | |
Fe2O3 | ≤0.5 | ≤0.5 | ≤0.5 | |
Apparent Porosity% | 58-62 | 58-62 | 58-62 | |
Bulk Density g/cm3 | 1.4-1.7 | 1.4-1.7 | 1.4-1.7 | |
Cold Crushing Strength Mpa | ≥12 | ≥10 | ≥9 | |
0.1Mpa Refractoriness Under Load T0.6 °C | ≥1650 | ≥1700 | ≥1700 | |
Permanent Linear Change On Reheating (%)1500°CX2h | ±0.3 | ±0.3 | ±0.3 | |
20-1300°C Thermal Expansion % (x 10-6) | 0-7.8 | 0-8.0 | 0-8.6 | |
Thermal Conductivity(Average 800°C) W/(M.K) | ≤0.8 | ≤1.3 | ≤1.5 | |
Max Service Temperature °C | 1680 | 1700 | 1800 |
We can produce common shaped and irregular shaped refractory brick.
Specifications can be adjust as your application
We ensure the high quality and competitive price
Any inquiry, please feel free to contact us.
Contact Us
- Zhengzhou Sunrise Refractory Co., Ltd.
- Contact nameAmy Wang Chat Now
- Phone86-371-63838939
- AddressNO 36 Fengchan Road zhengzhou Henan China, Zhengzhou, Henan
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