Alumina hollow ball bricks
- Commodity name： Alumina hollow ball bricks
Category：
Keyword：
Alumina hollow ball bricks
Alumina hollow ball brick, is made of alumina hollow ball and alumina powder as the main raw material, combined with other binding agent, after 1750 degrees high temperature firing.
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Brief introduction:
Alumina hollow ball brick, is made of alumina hollow ball and alumina powder as the main raw material, combined with other binding agent, after 1750 degrees high temperature firing. It belongs to one kind of super high temperature material energy saving and heat preservation material.
Characteristics:
In reducing the weight of the furnace body, remodeling the structure, saving materials, saving energy, will achieve obvious results.
1, the use of high temperature.
2、Optimize the structure, reduce the weight of the furnace body.
3、Saving materials.
4、Saving energy.
Application:
Alumina hollow ball and its products are a kind of lightweight refractory material with high temperature resistance and excellent energy saving, which is very stable to be used in various atmospheres. It is especially used in high temperature kiln application at 1800℃. Hollow ball can be used as high temperature, ultra-high temperature thermal insulation filler, high temperature refractory concrete lightweight aggregate, high temperature castables, etc.. Alumina heart ball bricks can be used in high temperature energy saving (>30%) inverted flame kiln, shuttle kiln, molybdenum wire furnace, tungsten rod furnace, induction furnace, nitriding furnace and so on. For reducing the weight of the furnace body, remodeling the structure, saving materials, saving energy, will achieve obvious results.
Project | Alumina hollow ball bricks | Zirconia hollow ball bricks | ||
85 bricks | 90 bricks | 99 bricks | 98 bricks | |
Maximum operating temperature (°C) | 1680 | 1700 | 1800 | 2200 |
Al₂O₃% | ≥85 | ≥90 | ≥99 | - |
ZrO₂% | - | - | - | ≥98 (with stabilizer). |
SiO₂% | ≤13 | ≤8 | ≤0.2 | ≤0.2 |
Fe₂O₃% | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 |
| Bulk density (g/cm³) | 1.4-1.7 | 1.4-1.7 | 1.4-1.7 | ≤3.0 |
| Cold Crushing Strength (MPa) | ≥12 | ≥10 | ≥9 | ≥8 |
| Refractoriness at the beginning temperature (°C) | ≥1650 | ≥1700 | ≥1700 | ≥1700 |
| Reheating Linear Change(%) (1600°C*3h) | ±0.3 | ±0.3 | ±0.3 | ±0.2 |
Coefficient of thermal expansion*10 | -7.8 | -8.0 | -8.6 | -9.1 |
Thermal conductivity w/(m.k) | ≤0.8 | ≤0.3 | ≤1.5 | ≤0.3 |
| Applications | It is mainly used for the lining of high-temperature kilns in refractory materials, industrial ceramics, electronic ceramics, petrochemical, metallurgy and other industries and the thermal insulation materials of ultra-high temperature kilns | |||
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E-mail：ruinai@sdfirebrick.com
WhatsApp：+8618560357377
Alumina hollow ball bricks
- Commodity name： Alumina hollow ball bricks
Category：
Keyword：
Alumina hollow ball bricks
Alumina hollow ball brick, is made of alumina hollow ball and alumina powder as the main raw material, combined with other binding agent, after 1750 degrees high temperature firing.
Product Details
Brief introduction:
Alumina hollow ball brick, is made of alumina hollow ball and alumina powder as the main raw material, combined with other binding agent, after 1750 degrees high temperature firing. It belongs to one kind of super high temperature material energy saving and heat preservation material.
Characteristics:
In reducing the weight of the furnace body, remodeling the structure, saving materials, saving energy, will achieve obvious results.
1, the use of high temperature.
2、Optimize the structure, reduce the weight of the furnace body.
3、Saving materials.
4、Saving energy.
Application:
Alumina hollow ball and its products are a kind of lightweight refractory material with high temperature resistance and excellent energy saving, which is very stable to be used in various atmospheres. It is especially used in high temperature kiln application at 1800℃. Hollow ball can be used as high temperature, ultra-high temperature thermal insulation filler, high temperature refractory concrete lightweight aggregate, high temperature castables, etc.. Alumina heart ball bricks can be used in high temperature energy saving (>30%) inverted flame kiln, shuttle kiln, molybdenum wire furnace, tungsten rod furnace, induction furnace, nitriding furnace and so on. For reducing the weight of the furnace body, remodeling the structure, saving materials, saving energy, will achieve obvious results.
Project | Alumina hollow ball bricks | Zirconia hollow ball bricks | ||
85 bricks | 90 bricks | 99 bricks | 98 bricks | |
Maximum operating temperature (°C) | 1680 | 1700 | 1800 | 2200 |
Al₂O₃% | ≥85 | ≥90 | ≥99 | - |
ZrO₂% | - | - | - | ≥98 (with stabilizer). |
SiO₂% | ≤13 | ≤8 | ≤0.2 | ≤0.2 |
Fe₂O₃% | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 |
| Bulk density (g/cm³) | 1.4-1.7 | 1.4-1.7 | 1.4-1.7 | ≤3.0 |
| Cold Crushing Strength (MPa) | ≥12 | ≥10 | ≥9 | ≥8 |
| Refractoriness at the beginning temperature (°C) | ≥1650 | ≥1700 | ≥1700 | ≥1700 |
| Reheating Linear Change(%) (1600°C*3h) | ±0.3 | ±0.3 | ±0.3 | ±0.2 |
Coefficient of thermal expansion*10 | -7.8 | -8.0 | -8.6 | -9.1 |
Thermal conductivity w/(m.k) | ≤0.8 | ≤0.3 | ≤1.5 | ≤0.3 |
| Applications | It is mainly used for the lining of high-temperature kilns in refractory materials, industrial ceramics, electronic ceramics, petrochemical, metallurgy and other industries and the thermal insulation materials of ultra-high temperature kilns | |||
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