High Purity Silicon Metal Lump 441/553/3303 – Premium Alloy Additive for Aluminum & Metallurgy
Ultra-high purity (99%+) silicon metal lump, precisely graded as 441, 553, or 3303 for superior alloy performance. Low trace elements (Fe, Al, Ca) ensure optimal fluidity and strength in aluminum ingot production. Precision-engineered lumps with uniform sizing (10–100mm) for consistent melting and reduced slag. Ideal for aluminum alloys, solar-grade silicon, and chemical silicones. Direct factory pricing with bulk discounts. Global logistics support for seamless large-scale procurement. Trusted by foundries and smelters for industrial-grade reliability.