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- No.92 Jianshe West Road, Zhongyuan District, Zhengzhou, Henan,China.
- albert@literefractory.com
- +8619937887923

Customized High Temperature Lightweight Chamotte Insulation Brick Fireclay Insulating Brick
1.High temperature resistance
2.Simple structure
3.Can save material
4.Can save energy
Description
Our company produces grey clay building bricks, Refractory Ceramics Saggar, medium duty reclaimed firebrick with the aim of satisfying consumer requirements in terms of both practicality and price. Maintaining the prevailing friendly relations with our buyers, we however innovate our solution lists all of the time to satisfy the brand new demands and adhere to the most up-to-date development of the market. We advocate that employees should be enthusiastic about their career, selfless to themselves and sincere to others. We constantly practice the business philosophy of 'Thanksgiving, Responsibility, Progress, and Win-win'. We actively practice the belief and pursuit of "sentiment for the people and the well-being of employees", and always insist on development for the sake of employees, development by employees, and sharing of development results by employees.
| 1.Bubble Alumina Brick Description |
Bubble Alumina Brick is a kind of energy-saving heat insulation material of ultra-high temperature material. It is made of alumina hollow ball and alumina powder as the main raw materials, combined with other binders, and fired at a high temperature of 1750 degrees.
Item | Bubble alumina brick | Bubble zirconia brick | ||
85 | 90 | 99 | 98 | |
Max service temperature | 1680°C | 1700°C | 1800°C | 2200°C |
Al2O3/% | ≥85 | ≥90 | ≥99 | - |
ZrO2/% | - | - | - | ≥98 |
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 under load (0.1MPa,0.6%) | ≥1650°C | ≥1700°C | ≥1700°C | ≥1700°C |
Reheating Linear Change % (1600 °C,3h) ≤ | ±0.3 | ±0.3 | ±0.3 | ±0.3 |
Thermal expansion coefficient (Room temp-1300°C) | ~7.8 | ~8.0 | ~8.6 | ~9.0 |
Thermal conductivity w/(m.k)(Average 800°C) | ≤0.8 | ≤1.3 | ≤1.5 | ≤0.3 |
| 2. Bubble Alumina Brick Feature |
1. The temperature can reach above 1750 degrees, and the thermal stability is good.
2. The reheating line has a small change rate and can be used for longer.
3. It has obvious thermal insulation properties and low thermal conductivity
4. Reduce heat dissipation and improve thermal efficiency

| 3.Bubble Alumina Brick Application |
High alumina bubble bricks are suitable for cracking furnaces, hot blast furnaces, heating furnaces, tunnel kilns, crucible furnaces, electric furnaces, and electric furnace linings.

We are committed to developing new technologies and new Customized High Temperature Lightweight Chamotte Insulation Brick Fireclay Insulating Brick to meet social needs while ensuring sustainable and healthy development. We improve the efficiency of resource utilization, and provide a broader scope of cooperation for clients from all walks of life. Our company has seen a lot of changes in the past years of business.
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