Premium Silicon Metalloid Lumps – High-Purity Refractory & Aluminum Alloy Grade

Ultra-Pure Composition
Available in multiple grades (1101, 2202, 3303, 441, 551, 553) with silicon content up to 99.99%, ensuring superior conductivity and thermal stability for industrial applications.
Precision-Engineered for Performance
Uniform lump size (10–100mm) minimizes slag formation, enhancing melting efficiency in aluminum ingot production and refractory material manufacturing.
Industry-Proven Applications
Ideal for aluminum alloy smelting, solar-grade silicon production, and high-temperature refractory linings in foundries and steel plants.
Bulk Supply Advantage
Direct factory pricing with volume discounts, shipped globally in moisture-proof packaging to maintain integrity.
Certified Reliability
Strictly adheres to international standards (ISO, ASTM) for traceability and batch consistency.
Why Us?
Largest global wholesaler – unbeatable prices, one-stop sourcing for industrial raw materials.