High Alumina Refractory Brick with 55-80% Al2O3 Content for 1400℃-1700℃ Cement Kiln Applications
Price:
Negotiable Price
MOQ:
448 pcs
Delivery Time:
10 days
Brand:
LEADSUN
Product Description
Refractory up to 1400℃ 1500℃ 1600℃ 1700℃ Cement Kiln High Alumina Brick 55-80%
Product Overview
Leadsun high alumina bricks are made from high-quality bauxite chamotte under advanced production techniques and strict quality inspection. With corundum and mullite as the main mineral phases, the bricks offer outstanding high-temperature strength, excellent chemical corrosion resistance, and long service life.
Key Advantages
- Excellent high-temperature resistance for continuous industrial use
- High alumina content ensures superior refractoriness and thermal stability
- High bulk density and low porosity for enhanced strength and durability
- Outstanding resistance to slag, erosion, and chemical corrosion
- Stable performance under severe thermal shock conditions
- Long service life, reducing furnace downtime and maintenance costs
- Suitable for steel, cement, glass, and metallurgical furnaces
- Cost-effective refractory solution with consistent quality
Technical Specifications
| 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 |
Applications
- Steel and metallurgical furnaces
- Iron-making furnaces
- Glass production kilns
- Ceramic tunnel kilns
- Cement production kilns
Product Features
- Reliable performance at elevated temperatures
- Dense structure with high bulk density
- Low iron content for enhanced refractoriness
- Excellent erosion resistance and long service life
Product Images
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Get in Touch
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Company
Qingdao Leadsun Refractory Co., Ltd
Location
No. 700, Qingshan Road, Licang District, Qingdao, China
Contact Person
Tony