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| Categories | Insulating Fire Brick |
|---|---|
| Brand Name: | Rongsheng |
| Model Number: | Refractory Brick |
| Certification: | ISO9001 |
| Place of Origin: | Henan China |
| MOQ: | 1 TON |
| Payment Terms: | L/C, T/T, Western Union |
| Supply Ability: | 5000 Ton/Tons per Month |
| Delivery Time: | 7-15 work days |
| Packaging Details: | 1.On wooden pallets with plastic cover 2.According to customer's demands for High Temperature Fire Resistant Alumina Hollow Refractory Brick |
| Place of Origin:: | China |
| Shape:: | Brick |
| Material:: | Alumina Block |
| SiO2 Content (%):: | 0.3-15 |
| Al2O3 Content (%):: | 85-99% |
| MgO Content (%):: | little |
| CaO Content (%):: | 0.34% |
| Refractoriness (Degree):: | 1770°< Refractoriness< 2000° |
| CrO Content (%):: | 0.1-0.3% |
| SiC Content (%):: | little |
| Model Number:: | Alumina Bubble Brick, BUBBLE BRICK |
| Brand Name:: | RONGSHENG |
| bulk density:: | 1.5-1.9 g/cm3 |
| OEM:: | YES |
| Keyword:: | Alumina Bubble Brick |
| Product name:: | High Temperature Fire Resistant Alumina Hollow Refractory B |
| Application:: | Industrial Furnaces |
| Size:: | Customizable |
| Company Info. |
| Zhengzhou Rongsheng Refractory Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
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:
Alumina bubble brick is widely used in metallurgy, refractories, light industry, chemical industry, ceramic, glass, electronic industries. It can be used in cracking furnace, Hot Blast Stove, Shuttle kiln, heating furnace, tunnel kiln, push board kiln, pot furnace, and kinds of electric furnace and electrical kiln lining and so on.
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 (%)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 | |
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