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

Clay Insulating Brick Series for Glass Furnace
1.High temperature resistance
2.Simple structure
3.Can save material
4.Can save energy
Description
We have a unified purchasing channel and all Corundum Mullite Brick, Ceramic Fiber Products, Refractory Bricks and materials used are qualified to ensure a perfect using experience. Technological progress has promoted the vitality and prosperity of the industry, which can stimulate more talents and creativity. Facing the increasingly competitive market, many enterprises have built new production lines or carried out technical transformation on a large scale, and we are certainly one of them. In the face of fierce market competition, our company increases revenue and reduces costs by developing diversified services. The excellent corporate culture we have accumulated in our development is bound to play a significant role in promoting our future development.
| 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 have always adhered to the business philosophy of being market-oriented, customer-centric and technology-guaranteed to ensure customer satisfaction about our Clay Insulating Brick Series for Glass Furnace. We should adhere to the integrity and law-abiding, truth-seeking and pragmatic code of conduct, and be honest and trustworthy. We invest more resources to upgrade the production equipment, so as to improve the safety of the equipment and ensure the safety of employees.
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