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Customizable High Alumina Brick with 55%-85% Al2O3 for Industrial Furnaces and Kilns, Resistant to 1850°C
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Customizable High Alumina Brick with 55%-85% Al2O3 for Industrial Furnaces and Kilns, Resistant to 1850°C
| MOQ: | 500pcs |
| Price: | 0.75-1.0usd/pcs |
| Standard Packaging: | Pallet |
| Delivery Period: | 10-15DAYS |
| Payment Method: | L/C,D/P,T/T,Western Union |
| Supply Capacity: | 100tons/week |
Detail Information
Place of Origin
CHINA
Brand Name
Leadsun
Model Number
HA60 HA70 HA75 HA80 or SK36 SK37 SK38 SK40
Size:
230*114*65mm 230*114*75mm
Al2O3 Content:
55% - 85%
Density:
2.1-2.7g/cm3
Refractoriness:
1300-1800C
Package:
Pallet
Shape:
Customizable
Al2O3:
35-80%
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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