80 High Alumina Bricks are premium refractory materials containing ≥80% Al₂O₃, designed to withstand extreme high-temperature industrial environments. Engineered for critical furnace zones, these bricks provide excellent load-bearing capacity, thermal stability, and chemical resistance.
Xintai Refractory manufactures 80 high alumina bricks under strict quality control, ensuring dense microstructure, low apparent porosity, and consistent mechanical performance. These bricks are ideal for steel blast furnaces, cement rotary kilns, glass furnaces, and non-ferrous metal smelting furnaces.
Physicochemical Parameters
| Items | SK-40 | SK-38 | SK-37 | SK-36 | SK-35 |
|---|---|---|---|---|---|
| AI₂O₃ ≥ , % | 80 | 75 | 65 | 55 | 48 |
| Bulk density, g/cm³ | 2.7-2.8 | 2.4-2.65 | 2.3-2.35 | 2.25-2.3 | 2.1-2.2 |
| Apparent Porosity, % | 20-22 | 20-22 | 23-24 | 23-24 | 23-26 |
| Cold crushing strength, Mpa | 65 | 55 | 50 | 45 | 40 |
| Refractoriness, ℃ | 1790 | 1790 | 1790 | 1770 | 1750 |
| Refractoriness under loading, 0.2MPa | 1600 | 1520 | 1480 | 1450 | 1420 |
| Permanent liner change of Reheating, % 1500℃, 2h |
-0.4~0.1 | -0.4~0.1 | -0.4~0.1 | -0.4~0.1 | -0.4~0.1 |
Product Features
- Ultra-High Al₂O₃ Content: With ≥80% Al₂O₃, these bricks provide superior refractoriness and strong resistance to extreme high-temperature environments.
- High Mechanical Strength: Cold crushing strength ≥70 MPa ensures strong load-bearing capacity and structural stability under high thermal and mechanical stress.
- Load Softening Resistance: Maintains structural integrity under continuous high-temperature operations, preventing deformation and extending furnace service life.
- Excellent Chemical Resistance: Protects furnace linings from erosion caused by slag, molten metal, and other corrosive materials.
- Dimensional Stability: Low creep rate and controlled porosity minimize deformation and ensure long-term performance at high temperatures.
- Customizable Design: Available in various sizes, shapes, and colors to meet specific furnace designs and operational requirements.
Applications
80 High Alumina Bricks are suitable for high-temperature zones in:
- Steel Blast Furnaces: Furnace walls, roofs, and working linings
- Cement Rotary Kilns: High-temperature sintering zones
- Glass Furnaces: Superstructure and molten glass contact zones
- Non-Ferrous Metal Furnaces: Smelting and holding zones
Ideal for working linings that require structural stability and high refractoriness while avoiding areas with rapid thermal cycling.
Customization Services
Xintai Refractory provides customized refractory solutions according to different industrial furnace requirements:
- Sizes: Custom dimensions to meet specific furnace or kiln needs.
- Shapes: Tailored to various applications, including arch bricks, checker bricks, and more.
- Colors: Custom colors available to match aesthetic or operational requirements.
Packing and Shipping Details
Our 80 High Alumina Bricks are carefully packed to ensure safe transportation and delivery.
- Packaging: Wooden pallets with polyethylene film and steel strapping
- Minimum Order: 10–20 tons depending on specifications
- Production Capacity: Large-scale manufacturing ensures stable supply
- Delivery Time: 30–45 days depending on order volume
- Shipping Methods: Sea freight, air freight, and land transportation available
About Xintai Refractory
Xintai Refractory is a professional refractory materials manufacturer with more than 20 years of industry experience. We specialize in providing high-performance refractory bricks, insulating bricks, castables, and monolithic refractories for high-temperature industries worldwide.
Our products are widely used in steel, cement, glass, ceramics, non-ferrous metals, petrochemical, and power industries. With advanced production technology, strict quality control, and customized service capabilities, Xintai Refractory delivers reliable refractory solutions for demanding industrial furnace applications.
Get competitive factory pricing, technical consultation, and customized 80 high alumina bricks for your industrial furnace projects. Xintai Refractory ensures reliable, long-lasting, and high-performance refractory solutions.
