Silica Bricks

Description

1. Product Overview
   Silica Bricks are high-performance refractory materials engineered primarily from high-purity silica (SiO₂), designed for use in extreme high-temperature industrial environments. They are widely utilized in furnaces, coke ovens, glass melting tanks, and other thermal processing units where structural stability and heat resistance are critical. Their key value lies in exceptional refractoriness under load, thermal shock resistance, and long service life under continuous high-temperature exposure. Strategically, silica bricks are essential for industries seeking to optimize furnace efficiency, reduce maintenance downtime, and improve operational reliability in high-heat processes.
2. Key Specifications & Technical Characteristics

• Chemical Composition: SiO₂ ≥ 93–96% (high-purity silica content)
• Material Type: Acidic refractory material
• Physical Form: Dense brick blocks, precision-molded
• Color: Off-white to light yellow
• Bulk Density: 1.75 – 1.95 g/cm³
• Apparent Porosity: 20–24%
• Refractoriness: Up to 1680–1720°C
• Thermal Shock Resistance: High stability under rapid temperature changes
• Packaging: Standard wooden pallets with moisture-proof wrapping or steel-strapped palletization
• Shelf Life: Indefinite under dry storage conditions

3. Core Industrial Applications
   Silica Bricks are primarily used in the iron & steel industry, glass manufacturing, and non-ferrous metallurgical processes. Key applications include coke oven chambers, blast furnace linings, glass tank regenerators, and hot blast stoves. They perform exceptionally well in high-temperature acidic environments where structural integrity and volume stability are critical. Compared to alternative refractory materials, silica bricks offer superior deformation resistance at elevated temperatures, extended operational lifespan, and lower replacement frequency, resulting in reduced total cost of ownership.
4. Competitive Advantages

• High thermal stability ensuring long furnace campaign life
• Consistent quality with strict raw material selection and production control
• Strong supply reliability for continuous industrial operations
• Cost-effective refractory solution with reduced maintenance downtime
• Excellent resistance to acidic slags and high-temperature deformation
• Environmentally stable material with minimal processing emissions
• Comprehensive technical documentation and engineering support available

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: 20–25 MT per 20ft container
• Supply Form: Export-ready palletized bulk shipment
• Delivery Capability: Large-scale industrial supply with consistent batch availability