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

Cost-Effective Insulating Fire Brick Floor Tile
1.High temperature resistance
2.Simple structure
3.Can save material
4.Can save energy
Description
Relying on innovation for development and constantly providing users with cost-effective Magnesia Alumina Spinel Brick, Cordierite Prop, Unshaped Refractory Materials is our constant pursuit. Even though our products are widely imitated and imitated in the market, our leading position has never been surpassed. We meet the potential needs of our customers through service innovation. The company pursues a brand-name, high-grade product quality strategy, and adheres to the quality policy of "all staff serve users, quality satisfy users, and brand reassuring users".
| 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 strive to make the company a large-scale leading enterprise in the Cost-Effective Insulating Fire Brick Floor Tile industry and build a high-tech team with advanced technology and excellent service. Our company has a professional R&D, production, marketing and after-sales service team, and has established a complete pre-sales, mid-sales and after-sales service system, which can provide customers with reliable support in time. The company has always been adhering to the working philosophy of delivering high-quality systems, professional technology, timely service, and prices from source manufacturers to customers.
Hot Tags: bubble alumina brick, China bubble alumina brick suppliers, manufacturers, factory, vacuum furnace, bubble alumina castable, non ferrous melting furnace, welding gluing fire bricks, kiln furniture for ceramic, acme kiln furniture
You Might Also Like








