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| Categories | High Alumina Refractory Brick |
|---|---|
| Brand Name: | Rongsheng |
| Model Number: | Sintered or Fused Alumina Bubble Brick |
| Certification: | ISO9001 CE SGS |
| Place of Origin: | China |
| MOQ: | 1 ton |
| Price: | USD 1000-1500 per ton |
| Payment Terms: | L/C, T/T, Western Union |
| Supply Ability: | 1000 tons per month |
| Delivery Time: | Within 30 working days |
| Packaging Details: | Wodden pallets and water-proof cover |
| Product name: | Alumina Bubble Bricks |
| Material: | High alumina |
| Al2O3: | 99% |
| Service temperature: | 1700 Degree Celcius |
| Application: | High heat furnaces |
| Company Info. |
| Zhengzhou Rongsheng Refractory Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
High Purity Alumina Bubble Lightweight Fire Brick For Chemical
Industry Furnace
Alumina Bubble Brick Description:
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.
Alumina Bubble Brick Specifications
1.High purity;
2.High mechanical strength;
3.Low thermal conductivity;
4.Good stability
5. Mainly apply to the insulation layer of coal-water slurry
gasifier
6. Excellent thermal insulation
7. Long service life
8. High compressive strength
9. Competitive price
Alumina Bubble Brick Application:
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.
Alumina Bubble Brick Physical and chemical index:
Item | RS-85 | RS-90 | RS-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 | ±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 | |
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