Zhengzhou Rongsheng Refractory Co., Ltd.
Zhengzhou Rongsheng Refractory Co., Ltd. Refractory manufacturing company.
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Pure White High Alumina Refractory Brick , Alumina Bubble Brick for Blast Furnaces
Characteristic:
1. High temperature resistance.
2. Low thermal conductivity.
3. Good thermal insulation.
4. High strength.
5. Can direct contact with flame.
6. Good chemical stability (acid-base erosion resistance ).
7. Low bulk density (lighter than the same kind of material ,thin kiln wall, low cost ) .
Application:
Alumina hollow ball brick are widely used in metallurgy, refractories, light industry, chemical industry, ceramic, glass, electronic industries.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 Bricks are made of high quality clinker bauxite with low Fe2O3, TiO2.
They are featured with high refractoriness under load, stable volume under high temperature and good thermal shock resistance.
Specification:
Item | Alumina Bubble Brick for Blast Furnace | |
| Al2O3, % | 98 | |
| Fe2O3, % | 0.2 | |
| Bulk Density, g/cm3 | 1.40-1.65 | |
| Maximum service temperature, °C | 1800 | |
| Refractoriness under load 0.1 Mpa, °C | 1650 | |
| Cold crushing strength, Mpa | 6 | |
| Permanent Linear Change, % | 1600°C X3h | 0.3 |
| Modules of Rupture HR800 °C |
1.0
| |
