Zhengzhou Jansincere Refractory Co., Ltd
Zhengzhou Jansincere Refractory Co., Ltd
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High Refractoriness Alumina hollow ball brick for High temperature Kilns & Glass Tank Furnaces
Alumina hollow ball brick is mainly made of alumina hollow ball and aluminum oxide powder, through a special process combined with other bonding agents, after a high temperature of 1750℃ fired. This process ensures the structural stability and excellent fire resistance of the brick.Widely used in steelmaking furnace, hot blast furnace, heating furnace, conversion furnace, nitriding furnace, tunnel kiln and so on.
▌FEATURES
1. Low bulk density；
2. Good heat insulation；
3. Good thermal shock resistance；
▌PHYSICAL AND CHEMICAL INDICATORS
Item | Unit | YLK-90 | |
Chemical composition | Al2O3 | % | ≥90 |
Fe2O3 | % | ≤0.2 | |
Bulk Density | g/cm3 | 1.30-1.70 | |
Cold Crushing Strength | MPa | ≥8 | |
Refractoriness Under load | ℃ | ≥1700 | |
Thermal Shock Resistance | Cycles | ≥8 | |
▌PRODUCT PICTURE
