Alumina Bubble bricks have high service temperature and good thermal insulation performance at high temperature. They will achieve obvious results in reducing the weight of the furnace body, transforming the structure, saving materials, and saving energy.
Alumina Bubble Brick Advantages:
1.High operating Temperature
Alumina hollow firebricks can reach to above 1750 degree,good heat stability. the charge rate of refiring line is small and longer using time. Optimize the structure and reduce the weight of the furnace body.
High temperature resistant refractory materials are all of heavy firebricks. The bulk density is 2.6-3.0g/cm3，while the alumina hollow bricks is only 1.1~1.5g/cm3，under the condition of the same cubic meter volume. The alumina hollow ball refractory bricks can reduce the weight of 1.1-1.9 tons.
2.Materials Saving
To achieve the same use temperature, if using the heavy firebricks,the prices is equal to that of alumina hollow bricks, and considerable insulation material is needed.If alumina hollow ball bricks are used,1.1-1.9 tons heavy refractory bricks per cubic meter can be saved.
3.Energy Saving
Alumina hollow spheres have obvious thermal insulation characteristics and low thermal conductivity. The firebricks can play a good insulation effect,reduce heat emission and improve thermal efficiency,thereby realize the purpose of saving energy.The energy saving effects is more than 30% .
Alumina hollow balls are light refractories with high temperature resistance and excellent energy saving,which are very stable in various atmospheres. Especially in the high temperature Kiln at 1800 centigrade.Hollow ball bricks can be used for high temperature and energy saving(>30%)down draft kiln, shuttle kiln,molybdenum wire furnace ,tungsten rob furnace,induction furnace,nitriding furnace. For the reduce the weight of the furnace boby,reconstruct the structure, save the material and save energy, insulation refractory bricks will have obvious effect.
Application of Alumina Bubble Brick:
Alumina Bubble Brick is a kind of very important refractory material for resisting high temperature and special demands of positions for furnace and kiln, which is mostly used as insulating brick for insulation layer of furnace and kiln, and also can be used for service linings in manufacturing high-purity quartz for the electronics industry such as ceramic tile linings in gas turbines and backup linings in reactors.
Light Weight High Alumina Bubble Brick
Product advantages: High quality and competitive price
Supply advantage: Fully automatic intelligent refractory production line
Certification: We have been approved by ISO9001/ISO14001
Sample: Sample testing is available
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Customization: Customized refractory materials and solutions according to customer requirements.
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Technique Data
Physical and chemical indicators：
Packaging & Shipping
The delivery time usually depends on the order quantity, usually around 7-12 days.
We provide multiple modes of transporation if you have logistics requirements, you can contact us.
Henan Rongsheng Xinwei New Materials Research Institute Co., Ltd., headquartered in Zhengzhou City, Henan Province, is affiliated to Henan Rongsheng Technology Group. It is a national high-tech enterprise integrating R&D, production and technical services of high-performance refractory new materials. We focus on the continuous innovation of high-performance new refractory materials, and are committed to providing advanced technology, high-efficiency, energy-saving, safe and environmentally friendly high-performance new refractory materials and system solutions for the global high-temperature industry.
The main products include melting and casting materials, sintering materials, thermal insulation materials, metallurgical auxiliary materials, refractory raw materials, amorphous materials and graphite products, etc., which are widely used in electric power, metallurgy, non-ferrous metals, petrochemicals, building materials and other fields, and are exported to Europe, America, Oceania , Southeast Asia, the Middle East and more than 80 countries and regions in the world.
If you are in demands of refractory new materials, please contact us for the best price as soon as possible! Welcome global customers to customize different sizes of refractory new materials, we are expecting your inquiries and build long term cooperation relationship with you.
1.Professional sales team and 7*24 hours online customer service
2.Professional machine production line and high quality goods
3.Professional transport term to gurantee safe delivery
4.Professional research team to provide customized service
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| Item | Index | ||
| LQZ99-1.4 | LQZ99-1.6 | LQZ99-1.8 | |
| Al2O3 % | ≥99 | ||
| SiO2 % | ≤0.3 | ||
| Fe2O3 % | ≤0.2 | ||
| Bulk density g/cm3 | 1.3~1.5 | 1.5~1.7 | 1.7~1.9 |
| Cold Crush Strength MPa | ≥6 | ≥10 | ≥12 |
| Thermal conductivity W/(m·K) Hot surface 1000℃ | ≤0.9 | ≤1.1 | ≤1.2 |
| Permanent Linear Change Rate % 1600℃×3h | ±0.3 | ||
| Item | Index | ||
| LQZ95-1.4 | LQZ95-1.6 | LQZ95-1.8 | |
| Al2O3 % | ≥95 | ||
| Fe2O3 % | ≤0.2 | ||
| Bulk density g/cm3 | 1.3~1.5 | 1.5~1.7 | 1.7~1.9 |
| Normal temperature compressive strength MPa | ≥8 | ≥12 | ≥16 |
| Thermal Conductivity W/(m·K) hot face 1000℃ | ≤0.9 | ≤1.1 | ≤1.2 |
| Permanent Linear Change Rate % 1600℃×3h | ±0.3 | ||
| Item | Index | ||
| LQZ90-1.4 | LQZ90-1.6 | LQZ90-1.8 | |
| Al2O3 % | ≥90 | ||
| Fe2O3 % | ≤0.2 | ||
| Bulk density g/cm3 | 1.3~1.5 | 1.5~1.7 | 1.7~1.9 |
| Normal temperature compressive strength MPa | ≥10 | ≥14 | ≥18 |
| Thermal Conductivity W/(m·K) Hot face 1000℃ | ≤0.9 | ≤1.1 | ≤1.2 |
| Permanent Linear Change Rate % 1600℃×3h | ±0.3 | ||
Packaging & Shipping
We provide multiple modes of transporation if you have logistics requirements, you can contact us.
Company Profile
Henan Rongsheng Xinwei New Materials Research Institute Co., Ltd., headquartered in Zhengzhou City, Henan Province, is affiliated to Henan Rongsheng Technology Group. It is a national high-tech enterprise integrating R&D, production and technical services of high-performance refractory new materials. We focus on the continuous innovation of high-performance new refractory materials, and are committed to providing advanced technology, high-efficiency, energy-saving, safe and environmentally friendly high-performance new refractory materials and system solutions for the global high-temperature industry.
The main products include melting and casting materials, sintering materials, thermal insulation materials, metallurgical auxiliary materials, refractory raw materials, amorphous materials and graphite products, etc., which are widely used in electric power, metallurgy, non-ferrous metals, petrochemicals, building materials and other fields, and are exported to Europe, America, Oceania , Southeast Asia, the Middle East and more than 80 countries and regions in the world.
If you are in demands of refractory new materials, please contact us for the best price as soon as possible! Welcome global customers to customize different sizes of refractory new materials, we are expecting your inquiries and build long term cooperation relationship with you.
Our Service
2.Professional machine production line and high quality goods
3.Professional transport term to gurantee safe delivery
4.Professional research team to provide customized service
Our Certification
Customer Visit
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