Dolomite Refractory Bricks

Description

1. Product Overview
   Dolomite Refractory Bricks are high-performance basic refractory materials engineered primarily from dolomite-based compounds (calcium oxide and magnesium oxide). They are widely used in high-temperature industrial environments such as steelmaking furnaces, cement rotary kilns, and non-ferrous metallurgical units. The key value proposition lies in their exceptional resistance to basic slag corrosion, thermal stability, and cost-efficiency compared to alternative refractory solutions. Strategically, these bricks are critical for extending furnace life, reducing maintenance downtime, and optimizing high-temperature process efficiency in heavy industries.
2. Key Specifications & Technical Characteristics

• Chemical Composition: CaO (Calcium Oxide), MgO (Magnesium Oxide), minor sintering additives
• Purity/Grade: High-purity refractory grade dolomite (>90% combined CaO + MgO content typical)
• Physical Characteristics:
  • Form: Solid shaped refractory brick
  • Color: Light grey to off-white
  • Bulk Density: 2.6 – 3.0 g/cm³ (typical industrial grade range)
  • Porosity: Low to medium (optimized for thermal resistance)
• Thermal Resistance: High refractoriness suitable for extreme furnace environments (>1600°C performance range typical)
• Packaging: Wooden pallets with shrink-wrapped steel strapping for industrial shipping integrity
• Shelf Life: Indefinite under dry, controlled storage conditions

3. Core Industrial Applications
   Dolomite Refractory Bricks are primarily used across heavy-duty, high-temperature industries, including steel manufacturing (basic oxygen furnaces, electric arc furnaces), cement production (rotary kilns and preheater zones), and non-ferrous metallurgy. They are specifically applied in furnace linings, ladle linings, and kiln hot zones where resistance to basic slag and thermal shock is critical. Their superior performance over traditional silica-based refractories comes from enhanced chemical compatibility with basic slags, reduced erosion rates, and improved structural integrity under cyclic thermal loading. This translates into longer service life, reduced refractory consumption, and improved operational uptime.
4. Competitive Advantages

• Quality Consistency: Engineered under strict refractory-grade production controls ensuring uniform density and chemical stability
• Supply Reliability: Scalable industrial production capacity for continuous bulk supply chains
• Logistics Capability: Optimized palletized export packaging for safe international bulk transport
• Price Competitiveness: Lower lifecycle cost compared to alumina and silica-based refractory alternatives
• Sustainability: Reduced material waste due to extended operational lifespan in high-temperature environments
• Technical Support: Full material documentation, chemical analysis certificates, and application guidance available for industrial integration

5. Commercial & Supply Information

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