High Alumina Brick Excellent Thermal Stability Corrosion Resistance for Extreme Heat
Price:
0.75-1.0usd/pcs
MOQ:
500pcs
Delivery Time:
10 days
Brand:
SUNWOOL
Product Description
High Alumina Brick Excellent Thermal Stability Corrosion Resistance for Extreme Heat
Product Overview:
Our High Alumina Brick is manufactured using carefully selected bauxite chamotte and advanced production technology, delivering outstanding performance in environments up to 1850°C. With its high alumina content and excellent mechanical properties, it is the preferred choice for demanding industrial furnaces and kilns.
Technical data
| Item | HA60 | HA70 | HA75 | HA80 |
|---|---|---|---|---|
| AL2O3(%) | ≥60 | ≥70 | ≥75 | ≥80 |
| SIO2(%) | 32 | 22 | 20 | ≥18 |
| Fe2O3(%) | ≤2.5 | ≤2.0 | ≤1.8 | ≤1.5 |
| Refractoriness °C | ≥1750 | ≥1780 | ≥1800 | ≥1850 |
| Bulk density,g/cm3 | 2.35-2.4 | 2.45-2.5 | 2.5-2.55 | 2.75-2.8 |
| Softening temperature under load | ≥1450 | ≥1510 | ≥1520 | ≥1600 |
| Apparent porosity,% | ≤24 | ≤23 | ≤21 | ≤18 |
| Cold Crushing strength Mpa | ≥45 | ≥50 | ≥60 | ≥85 |
Key Features:
- Ultra-High Alumina Content ensures superior refractoriness and structural integrity
- Excellent Thermal Stability under load, with a softening temperature exceeding 1600°C
- Low Apparent Porosity enhances resistance to slag penetration and chemical erosion
- High Mechanical Strength with cold crushing strength ≥85 MPa for long service life
- Optimized Thermal Conductivity balances insulation and thermal efficiency
Applications:
- Steel furnaces and ladles
- Cement and ceramic rotary kilns
- Glass melting furnaces and regenerators
- Non-ferrous metal smelting equipment
- High-temperature incinerators and petrochemical reactors
Performance Advantages:
- Corrosion Resistance: Highly resistant to acidic and basic slags
- Abrasion Resistance: Ideal for high-wear zones in rotary kilns and cyclones
- Thermal Shock Resistance: Maintains structural integrity under rapid temperature changes
- Customizable Shapes: Available in standard and tailored dimensions
Why Choose Our High Alumina Bricks?
We combine rigorous quality control with decades of refractory expertise to deliver bricks that extend furnace life, reduce downtime, and improve operational efficiency. Our products are trusted globally in steel, cement, glass, and metallurgical industries.
Support & Services:
- Comprehensive technical consultation and installation support
- Custom formulation and sizing available
- Prompt delivery with secure, moisture-proof packaging
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Qingdao Leadsun Refractory Co., Ltd
Location
No. 700, Qingshan Road, Licang District, Qingdao, China
Contact Person
Tony