High Purity Low Thermal Conductivity Silicone Andalusite Thermal Cast Resistant Lightweight Refractory Block Mullite Insulating Fireproof Alumina Bubble Brick
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| Customization: | Available |
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| Classification: | High-Alumina |
| Feature: | Long Time Materials, Thermal Insulation |
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Basic Info.
- Model NO.
- LAUREL-B-13
- Refractoriness (℃)
- 1650℃, 1760℃, 1770℃
- Shape
- Brick
- Al2O3
- 85-99%
- Fe2o3
- ≤0.2%
- Product Name
- Alumina Bubble Brick
- Certifiacte
- ISO9001, CE, etc
- Cold Crushing Strength
- 9-12 MPa
- Classification Temperature
- 1680-1800ºC
- Application
- Industrial Furnace
- Performance
- Excellent
- Thermal Conductivity
- Low
- Color
- White
- Size Control
- Accurate
- Production Time
- 15-30 Days
- Testing Laboratory
- Support
- Type
- Heat-Resistant Material
- Transport Package
- Wooden Pallet
- Specification
- 230x114x65mm; 230x114x76mm or customized
- Trademark
- LAUREL
- Origin
- China
- HS Code
- 690220000
- Production Capacity
- 5000 Tons/Year
Product Description
Fireclay chamotte lining high alumina resistant fireproof heat refractory fire clay brick


Laurel Alumina Bubble Brick is a new type of high-temperature heat insulation material. It adopts alumina bubble ball as the main raw materials, high-performance ultrafine powder as the annexing agent and organic substance as the binding agent through molding and drying, and then are fired in the high-temperature shuttle kiln. It is widely used in the high-temperature kilns of the metallurgy, chemical engineering, glass, ceramics and refractory materials industries.
| Item | Alumina Bubble Brick | |||
| Types | Unit | 85# | 90# | 99# |
| The Highest Service Temperature | ºC | 1680 | 1700 | 1800 |
| Al2O3 | % | ≥85 | ≥90 | ≥99 |
| SiO2 | % | ≤15 | ≤8 | ≤0.2 |
| Fe2O3 | % | ≤0.2 | ≤0.2 | ≤0.2 |
| Bulk Density | g/cm3 | 1.4-1.7 | 1.4-1.7 | 1.4-1.7 |
| Cold Crushing Strength | MPa | ≥12 | ≥10 | ≥9 |
| Refractoriness Under Load (0.1MPa, 0.6%) | ºC | ≥1650 | ≥1760 | ≥1770 |
| Reheating Linear Change Rate (1600ºC*3h) | % | ±0.3 | ±0.3 | ±0.3 |
| Thermal Conductivity (Average temperature 800ºC ) | W/(m*k) | ≤0.8 | ≤1.3 | ≤1.5 |
Applications of insulating bricks
Refractory materials include alumina series bricks, magnesia series bricks, corundum series bricks, mullite bricks, andalusite bricks. Insulation materials include ceramic fiber products, calcium silicate products, insulating brick, and rock wool insulation for the metallurgy, glass, ceramics, petrochemical, machinery, steel, cement, lime, construction and other industries.
We provide a global one-stop purchasing platform for refractory and insulation materials to offer you professional advice, qualified products and good service, helping you to make energy-saving easier.
We passed the ISO 9001 certificate, and many products got approval from domestic and foreign customers; our materials have been exported to Europe, South America, North America, Africa, Oceania, and Southeast Asia ,it is over 50 countries, and built firm business relations with more than 200 foreign companies.
Hope we will have the opportunity to work with you together.
We warmly welcome you to visit us at any time.



Q1. Are you a Manufacturer?
A: Yes, our factory is in Zibo, Shandong province. We also have strong cooperating relationships with other manufacturers for other related products.
Q2. Can we visit your factory?
A: Sure, warmly welcome at any time. Seeing is believing.
Q3. Can you accept OEM or ODM?
A: Yes, customization is also welcome.
Q4. What's the MOQ of the trial order?
A: No limit. We can offer the best suggestions and solutions to meet your requirements.
Q5. What are your payment methods?
A: T/T, L/C, and other payment terms are also available for us.
Q6. How long is the delivery time?
A: Normally, it takes around 10-20 days. It also depends on the quantity of the order size.
Q7. How about your company's certification?
A: CE, ISO9001, and test report. We also could apply for other necessary certifications.
Q8. How can you control your quality?
A: For each production processing, we have a complete QC system to control the quality during production.
Q9. Do you provide free samples?
A: Yes, free samples are available.
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