Quartzite

Description

1. Product Overview
Quartzite is a high-purity, naturally occurring metamorphic rock primarily composed of recrystallized silica (SiO₂), valued for its exceptional hardness, chemical resistance, and thermal stability. It is widely used across industrial sectors such as metallurgy, construction, glass manufacturing, and refractory production. The key value proposition lies in its superior durability and consistent silica content, enabling high-performance outcomes in demanding applications. Strategically, quartzite is critical in global supply chains due to its role as a foundational raw material in silicon-based industries and infrastructure development.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Typically ≥ 98% SiO₂, with trace amounts of Al₂O₃, Fe₂O₃, and CaO
• Purity/Grade: High-grade industrial quartzite with low impurity levels
• Physical Characteristics:
  • Form: Lumps, crushed aggregates, or granules
  • Color: White to off-white, sometimes greyish
  • Hardness: ~7 on Mohs scale
  • Density: ~2.6–2.7 g/cm³
  • Particle Size: Customizable (e.g., 10–50 mm, 50–100 mm, or as specified)
• Packaging Options: Bulk loose, jumbo bags (1–1.5 MT), or customized packaging
• Shelf Life: Indefinite under proper storage conditions (non-reactive material)

3. Core Industrial Applications
Quartzite is extensively used in metallurgical industries as a key input for silicon metal, ferrosilicon, and alloy production due to its high silica content and thermal resilience. In the glass and ceramics sectors, it serves as a primary silica source, ensuring clarity, strength, and uniformity in finished products. The refractory industry utilizes quartzite for lining furnaces and kilns, benefiting from its resistance to extreme temperatures and chemical corrosion. Compared to alternative silica sources, quartzite offers superior structural integrity, lower impurity levels, and cost-efficient processing, resulting in improved operational efficiency and reduced downtime.

4. Competitive Advantages

• Quality Consistency: Uniform high silica content with minimal impurities across batches
• Supply Reliability: Scalable sourcing supported by stable mining and processing operations
• Logistics Capability: Efficient bulk handling and global shipping infrastructure
• Price Competitiveness: Optimized production and sourcing delivering strong cost-performance ratio
• Sustainability: Naturally occurring material with low processing requirements and minimal environmental impact
• Technical Support: Comprehensive material specifications and application guidance available for industrial buyers

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): Bulk – 20 MT
• Loading Capacity: 20–27 MT per 20-ft container (depending on packaging and destination regulations)