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

High Alumina Bricks, Fireclay Bricks, Insulating Fire Bricks
For various industrial kilns & furnaces,Light weight high alumina brick can reduce the total weight of furnace body and the thickness of furnace wall effectively, improve heat efficiency, lower energy consumption, improve work conditions and production efficiency, and considerable economic benefit can be obtained.
Description
Our full range of Refractory Ceramics Crucible, Pizza Plate, Ceramic Fiber Blankets cover all parts of the country, and are sold in large quantities and multiple batches to overseas and enter the international market. We train our staff for professional knowledge and new business development. We are committed to providing competitive products and continuous innovation. We are well aware that only by constantly working hard to improve our product price-performance ratio and service level, customers will have no worries in any link of pre-sales, in-sales and after-sales.
| 1.High alumina Insulating brick Description |
Lightweight High alumina Insulating brick is made by clay clinker or light clinker and plastic clay as the main raw material, usually fuel production, but also can send or chemical foaming method porous structure. Common light chamotte bulk density of 0.75 ~ 1.2g / cm3. It refers to containing AL2O3 more than 48% of lightweight refractory products, mainly for industrial kilns does not melt and no erosion of the contact action of gas insulation layer material, the using temperature is 1200 ~ 1400 ° C.
Item | 0.6 | 0.7 | 0.8 | 0.9 | 1.0 | 1.2 |
Al2O3/% | ≥48 | ≥48 | ≥48 | ≥48 | ≥48 | ≥48 |
Fe2O3/% | ≤2 | ≤2 | ≤2 | ≤2 | ≤2 | ≤2 |
Bulk Density(g/cm3) | ≤0.6 | ≤0.7 | ≤0.8 | ≤0.9 | ≤1.0 | ≤1.2 |
Cold Crushing Strength Mpa | ≥2.0 | ≥2.5 | ≥2.9 | ≥3.4 | ≥3.9 | ≥5.0 |
Thermal Conductivity (350°C)W/m.K | ≤0.30 | ≤0.35 | ≤0.35 | ≤0.45 | ≤0.50 | ≤0.55 |
Reheating Linear Change less than 2.0% °C | 1350 | 1350 | 1400 | 1400 | 1400 | 1400 |
| 2. High alumina Insulating brick Feature |
1.Excellent strength at ambient and elevated temperatures.
2.High compressive strength.
3.Very low levels of iron and other impurities.
4.Lightweight and energy-efficient.
5.Lower heat storage than denser refractory.
6.Heats quickly and economically to operating temperature.

| 3.High alumina insulating brick Application |
1. Glass industry
2. Ceramic industry
3. Iron and steel industry
4. Non-ferrous metal industry Furnace lining
Our company is committed to becoming a leader in the High Alumina Bricks, Fireclay Bricks, Insulating Fire Bricks industry, actively implementing a 'total quality management' system, and striving to achieve 'excellenct product and perfect service' based on the actual needs of customers. The high-quality technical talent team is an important guarantee for our company to continue to maintain technological leadership and core competitiveness. We sincerely welcome customers to visit and guide, discuss cooperation matters, and create a better future with our quality service! The company pursues management excellence and always pays attention to the optimization and promotion of culture, talents and systems.
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