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Cut Energy Costs With High Alumina Insulation Bricks: Lightweight Design For Superior Furnace Efficiency
| MOQ: | 500 pcs |
| Price: | Negotiable |
| Standard Packaging: | Pallet |
| Delivery Period: | 10-12 days |
| Payment Method: | L/C,T/T,D/P |
| Supply Capacity: | 1000 tons/month |
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High-Alumina Insulation Bricks for Energy-Efficient Industrial Furnaces
High Alumina Insulation Brick, also known as lightweight high alumina refractory brick or high-alumina heat insulating brick, is a specialized thermal insulation material designed for high-temperature industrial applications. It is defined as a lightweight refractory material with an alumina (Al₂O₃) content typically exceeding 48%, primarily composed of mullite, glass phase, and corundum
Technical Specifications
| Category | Key Performance Characteristics |
|---|---|
| Low Bulk Density | With a density range of 0.4 to 1.35 g/cm³ |
| Low Thermal Conductivity | The thermal conductivity ranges from approximately 0.11 to 0.58 W/(m·K) |
| High Porosity | The bricks feature porosity levels of 66% to 73%, |
| Standard Compliance | ASTM, ISO, and EN international refractory safety standards. |
Why Choose Our Products?
- Energy Efficiency: Reduced heat loss leads to lower energy consumption and operational costs
- Reduced Structural Load: Lightweight construction decreases the overall weight of furnace structures
- Improved Thermal Efficiency: High insulation capacity helps maintain consistent operating temperatures
- Extended Service Life: Good thermal shock resistance and high-temperature stability contribute to durability
- Ease of Installation: Lightweight nature simplifies handling and construction
Primary Applications
- Ferrous Metallurgy: Blast furnaces, hot blast stoves, electric furnace roofs, and ladle linings
- Ceramic Industry: Tunnel kilns, shuttle kilns, and pottery kilns
- Glass Industry: Glass melting furnaces and annealing furnaces
- Cement Industry: Rotary kiln insulation zones
- Petrochemical Industry: Reheating furnaces and reformer insulation
- Special Applications: Hydrogen atmosphere heat treating furnaces and semiconductor sintering
Environmental and Quality Standards
Manufacturers typically produce these bricks in accordance with ISO 9001 quality systems, and many products are certified as asbestos-free, meeting RoHS and REACH environmental standards . Custom sizes and shapes are available through OEM services .
These versatile insulation bricks represent a critical component in modern industrial thermal management, offering an effective balance of lightweight construction, thermal insulation performance, and high-temperature durability.
Frequently Asked Questions (FAQ)
Q1: How do I choose the right grade?
A: Consider Al₂O₃ content, bulk density, service temperature, thermal conductivity, and required strength.
Q2: What is the typical delivery lead time?
A: Standard sizes: 10-15 days. Custom shapes: 15-20 days after order confirmation.
Q3: Can I get samples or test reports?
A: Yes. We provide free samples, technical datasheets, and third-party test reports upon request.
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