1. Product Overview
Magnesia Brick is a high-performance basic refractory brick manufactured primarily from high-purity magnesium oxide (MgO), engineered to withstand extreme temperatures and demanding industrial environments. It is widely used in steelmaking, cement, non-ferrous metallurgy, lime, glass, and other high-temperature processing applications where resistance to basic slags, corrosion, and thermal degradation is essential. Its high refractoriness, structural stability, and durability help extend furnace lining service life while reducing maintenance and refractory replacement costs. Magnesia Brick is a strategically important refractory material for industries seeking reliable thermal protection and consistent performance under severe operating conditions.
2. Key Specifications & Technical Characteristics
- Primary Material: Sintered or fused magnesium oxide (MgO)
- Typical MgO Content: Approximately 85–97% MgO, depending on grade and application
- Refractoriness: High-temperature refractory performance suitable for severe thermal environments
- Physical Form: Dense, rigid refractory bricks
- Typical Color: White, cream, light grey, or grey depending on raw materials and manufacturing process
- Bulk Density: Typically approximately 2.8–3.1 g/cm³, depending on grade
- Apparent Porosity: Generally controlled for application-specific thermal and corrosion resistance
- Thermal Characteristics: Excellent resistance to high temperatures, basic slags, and thermal degradation
- Dimensional Accuracy: Manufactured to standard or customized refractory brick dimensions
- Grades: Available in different MgO contents and performance specifications for specific furnace conditions
- Packaging: Export-grade pallets, shrink wrapping, or seaworthy packaging suitable for bulk international transportation
- Customization: Chemical composition, dimensions, density, and performance specifications can be supplied according to buyer requirements
- Shelf Life: Generally long-term when stored in a dry, covered environment protected from moisture
3. Core Industrial Applications
- Steel Industry: Used for furnace linings, converters, electric arc furnaces, ladles, and other high-temperature zones exposed to basic slags.
- Cement Industry: Applied in rotary kilns and other high-temperature processing equipment where resistance to alkaline and corrosive environments is required.
- Non-Ferrous Metallurgy: Used in furnaces and processing units for copper, nickel, lead, and other metals.
- Lime Industry: Suitable for high-temperature lime kilns and associated refractory linings.
- Glass & Mineral Processing: Used in selected furnace and high-temperature processing applications requiring chemically resistant refractory materials.
- Industrial Furnaces: Provides durable thermal protection for furnaces, kilns, heating units, and other high-temperature equipment.
- Performance Advantage: High MgO content provides strong resistance to basic slags and corrosion, supporting longer lining life and more stable furnace operation than conventional lower-grade refractory materials.
- Operational Benefit: Durable furnace protection can reduce unplanned shutdowns, refractory consumption, maintenance frequency, and total operating costs.
4. Competitive Advantages
- Quality Consistency: Controlled MgO composition, density, dimensions, and physical properties support predictable refractory performance.
- High Durability: Excellent resistance to high temperatures, basic slags, chemical attack, and mechanical wear in demanding applications.
- Supply Reliability: Suitable for bulk industrial procurement with production and supply planning aligned to large-volume requirements.
- Logistics Capability: Export-oriented packaging and palletized loading support secure international transportation and efficient container handling.
- Price Competitiveness: Bulk procurement and scalable supply options provide opportunities for cost-efficient sourcing for industrial buyers.
- Technical Flexibility: Multiple grades, dimensions, and specifications can be supplied according to furnace design and operating conditions.
- Documentation: Product specifications, technical data, quality documentation, and relevant export documentation can be made available according to buyer requirements.
- Sustainability Benefit: Long service life can reduce refractory replacement frequency, material consumption, maintenance requirements, and associated operational waste.
- Strategic Sourcing Value: Combines high-temperature performance, dependable bulk supply, specification flexibility, and competitive commercial positioning for industrial refractory procurement.
5. Commercial & Supply Information
- Minimum Order Quantity (MOQ): BULK 20 MT
- Loading Capacity: Approximately 24–26 MT per 20-foot container, depending on brick dimensions, packaging, pallet configuration, and applicable container weight limits
- Supply Basis: Bulk industrial and international export supply
- Packaging: Export-standard pallets and seaworthy protective packaging
- Custom Specifications: Available upon buyer request, subject to production requirements










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