Alumina Bricks

Description

1. Product Overview
   Alumina Bricks are high-performance refractory materials engineered primarily from high-purity alumina and advanced ceramic binders. They are widely used in high-temperature industrial environments such as steel, cement, glass, and petrochemical furnaces where thermal stability and mechanical strength are critical. The key value proposition lies in their exceptional resistance to extreme heat, chemical corrosion, and mechanical wear, ensuring prolonged service life and reduced downtime. Strategically, alumina bricks are a foundational input in heavy industry infrastructure, directly impacting operational efficiency, energy consumption, and production continuity in high-heat processes.
2. Key Specifications & Technical Characteristics

• Chemical Composition: Al₂O₃ content typically 48%–90% (depending on grade), with trace silica and fluxing oxides
• Material Type: High-alumina refractory ceramic
• Physical Characteristics: Dense solid brick form; white to light yellow coloration
• Bulk Density: 2.3 – 3.0 g/cm³
• Operating Temperature Resistance: Up to 1400°C – 1800°C (grade dependent)
• Cold Crushing Strength: High mechanical load resistance suitable for furnace linings
• Thermal Conductivity: Low to moderate, optimized for heat retention and insulation stability
• Packaging: Wooden pallets, steel strapping, and shrink-wrapped for export-grade protection
• Shelf Life: Indefinite under dry storage conditions

3. Core Industrial Applications
   Alumina Bricks are extensively used in steelmaking furnaces, cement rotary kilns, glass melting furnaces, non-ferrous metal processing units, and petrochemical reactors. They serve as primary lining materials in blast furnaces, ladles, and high-temperature kilns where structural integrity under thermal stress is essential. Compared to standard fireclay bricks, alumina bricks deliver superior thermal resistance, reduced erosion rates, and longer operational cycles, significantly lowering maintenance frequency and total lifecycle costs. Their performance advantage translates into higher energy efficiency and improved furnace productivity.
4. Competitive Advantages

• High alumina purity ensures superior heat and chemical resistance
• Consistent batch-to-batch quality control for industrial reliability
• Long operational lifespan reduces replacement and maintenance costs
• Strong supply chain capability ensuring stable bulk availability
• Optimized logistics for international bulk shipping efficiency
• Competitive pricing structure for large-scale industrial procurement
• Environmentally optimized production processes with reduced waste output
• Comprehensive technical documentation and application support for engineering teams

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20MT
• Loading Capacity: Approximately 20–25 MT per 20ft container (depending on brick size and packing configuration)