Xintai Refractory’s Customized Size Corundum Mullite Refractory Bricks are premium-grade, high-alumina bricks designed for waste-to-energy and industrial high-temperature applications. Combining excellent thermal stability, high mechanical strength, and superior corrosion resistance, these bricks are perfect for waste incinerator lining, industrial furnaces, and other extreme temperature environments.
With optimized alumina content and low iron impurities, our Customized Size Corundum Mullite Refractory Bricks offer long service life, stable performance, and lower maintenance costs, making them the preferred choice for global industrial projects.
Technical Specifications
| INDEX | 88 | 85 | 80 | 75 |
|---|---|---|---|---|
| Al₂O₃ (%) ≥ | 88 | 85 | 80 | 75 |
| Fe₂O₃ (%) ≤ | 0.8 | 1.0 | 1.0 | 1.2 |
| Apparent Porosity (%) ≤ | 15(17) | 16(18) | 18(20) | 18(20) |
| Bulk Density (g/cm³) ≥ | 3.00 | 2.85 | 2.75 | 2.60 |
| Cold Crushing Strength (MPa) | 100–120 | 80–100 | 80–100 | 60–80 |
| Permanent Linear Change (1600°C×3h) / % | -0.1~+0.1 | -0.1~+0.1 | -0.2~+0.2 | -0.2~+0.2 |
| Refractoriness Under Load (0.2 MPa, 0.6%) / ℃ ≤ | 1700 | 1680 | 1650 | 1650 |
Key Features
- High Alumina Content: 75%–88% Al₂O₃ grades for superior heat resistance
- Excellent Thermal Stability: Minimal permanent linear change at 1600°C
- High Mechanical Strength: Cold crushing strength 60–120 MPa for heavy-duty operations
- Corrosion & Wear Resistance: Resistant to slag, chemical attack, and mechanical erosion
- Consistent Quality: Strict quality control ensures uniform performance
- Energy Efficiency: Optimized density and thermal properties reduce heat loss
Typical Applications
- Waste-to-energy incinerators and municipal solid waste furnaces
- Industrial waste incineration plants
- High-temperature furnace lining requiring chemical and mechanical durability
- Cement, chemical, and metallurgical industries with corrosive flue gas environments
- Any industrial furnace demanding high alumina content and long service life
Production Details
Xintai Refractory uses advanced extrusion and pressing techniques with high-temperature firing to manufacture Customized Size Corundum Mullite Refractory Bricks. Features include:
- Low porosity and superior homogeneity
- Strict quality inspections: alumina content, porosity, bulk density, mechanical strength, and refractoriness under load
- Excellent thermal shock resistance and uniform dimensions for extreme industrial conditions
Packing and Shipping Details
- Packing: Standard wooden pallets or customized bulk packaging
- Protection: Moisture-resistant kraft paper or shrink film
- Shipping: Suitable for ocean, rail, and road transport
- Lead Time: 15–25 days depending on order quantity
- Customization: Pallet and packaging options available to meet project requirements
Frequently Asked Questions (FAQ)
Q1: Can these bricks be made in customized sizes?
Yes, Xintai offers fully customized size options to match project specifications.
Q2: Which industries are suitable?
Ideal for waste-to-energy, cement, chemical, metallurgical, and high-temperature industrial furnaces.
Q3. How is quality ensured?
Each brick undergoes strict inspections for alumina content, porosity, bulk density, mechanical strength, and thermal performance.
Q4: Typical lead time?
Usually 15–25 days, depending on order quantity and customization.
Q5: What is the typical delivery time for bulk orders?
Standard lead time is 15–25 days, depending on order size and shipping method.























