Customizable High Alumina Brick with 55%-85% Al2O3 for Industrial Furnaces and Kilns, Resistant to 1850°C
Price:
0.75-1.0usd/pcs
MOQ:
500pcs
Delivery Time:
10-15DAYS
Brand:
Leadsun
Product Description
Customizable High Alumina Brick with 55%-85% Al₂O₃
Leadsun high alumina bricks are engineered for industrial furnaces, steel ladle linings, and kiln applications. Manufactured with selected bauxite chamotte using advanced processes and strict quality control, these bricks deliver exceptional performance in demanding thermal environments.
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 (°C) | ≥1450 | ≥1510 | ≥1520 | ≥1600 |
| Apparent Porosity (%) | ≤24 | ≤23 | ≤21 | ≤18 |
| Cold Crushing Strength (MPa) | ≥45 | ≥50 | ≥60 | ≥85 |
Key Advantages
Low Iron Content: Minimal iron oxide impurities (<2%) prevent unwanted reactions and discoloration at high temperatures.
High Temperature Resistance: Withstands extreme temperatures up to 1750°C or higher, maintaining structural integrity.
Excellent Erosion Resistance: Superior resistance to chemical erosion and slag corrosion in acidic or alkaline environments.
Optimal Bulk Density: Dense structure (2.5-3.0 g/cm³) enhances mechanical strength, load-bearing capacity, and thermal conductivity.
Applications
- Steel furnaces
- Glass kilns
- Iron making furnaces
- Cement kilns
- Ceramic tunnel kilns
Product Features
- Available in standard form, normal standard, shaped and special shaped bricks
- Long service life with easy operation and flexible shaping capabilities
- Low thermal conductivity with excellent thermal insulation performance
- Versatile use across various kilns with cost-effective general tray 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