Basic Magnesite Bricks

Description

1. Product Overview

Basic Magnesite Bricks are high-performance refractory materials manufactured primarily from high-purity magnesite, designed to withstand extreme temperatures and chemically aggressive environments. They are extensively used in steelmaking, cement kilns, and non-ferrous metallurgical processes where basic slag resistance is critical. These bricks offer superior thermal stability, corrosion resistance, and mechanical strength, making them indispensable in high-load, high-temperature industrial operations. Strategically, they play a vital role in extending furnace life cycles, reducing downtime, and optimizing operational efficiency in energy-intensive industries.

2. Key Specifications & Technical Characteristics

• Chemical Composition:
  • MgO: ≥ 85–97%
  • CaO: ≤ 2–5%
  • SiO₂: ≤ 2–6%
  • Fe₂O₃: ≤ 1–3%
• Purity Level / Grade:
  • High-purity and super-grade options available depending on application requirements
• Physical Characteristics:
  • Form: Standard refractory brick shapes (custom geometries available)
  • Color: Light brown to yellowish
  • Bulk Density: 2.8 – 3.1 g/cm³
  • Apparent Porosity: 16 – 20%
  • Cold Crushing Strength: ≥ 40 MPa
  • Refractoriness: ≥ 1750°C
• Packaging Options:
  • Wooden pallets with moisture-resistant wrapping
  • Export-grade packaging with reinforced strapping
• Shelf Life:
  • Indefinite when stored in dry, covered conditions

3. Core Industrial Applications

Basic Magnesite Bricks are primarily utilized in the steel industry for lining basic oxygen furnaces (BOF), electric arc furnaces (EAF), and ladles, where resistance to basic slags is essential. They are also widely used in cement rotary kilns, lime kilns, and non-ferrous metal smelting furnaces.

Their superior resistance to alkaline slags and high-temperature corrosion significantly outperforms acidic refractory alternatives, ensuring longer service life and reduced maintenance frequency. These bricks contribute to improved thermal efficiency, minimized energy loss, and lower total cost of ownership in continuous high-temperature operations.

4. Competitive Advantages

• Quality Consistency: Strict raw material selection and controlled manufacturing ensure uniform chemical and physical properties
• Supply Reliability: Scalable production capacity supporting long-term industrial contracts
• Logistics Capability: Global export experience with optimized packaging and container loading efficiency
• Price Competitiveness: Cost-effective sourcing without compromising on performance or durability
• Sustainability: Long service life reduces material waste and furnace downtime, supporting efficient resource utilization
• Technical Support: Comprehensive technical documentation and application guidance available for optimal performance

5. Commercial & Supply Information

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