Premium Metal Silicon 3303 & 441 for Industrial Smelting
High-purity silicon alloys with ultra-low iron (Fe) and calcium (Ca) content, optimized for precision metallurgy. Ideal for aluminum refining, solar-grade silicon production, and advanced foundry applications.
Exceptional Composition & Performance
3303 grade: Fe ≤ 0.3%, Ca ≤ 0.03%; 441 grade: Fe ≤ 0.4%, Ca ≤ 0.1%. Uniform granularity ensures consistent melting and alloy homogeneity.
Wide Industrial Applications
Essential for aerospace alloys, automotive castings, and high-efficiency photovoltaic cells. Enhances ductility and corrosion resistance in final products.
Bulk Supply Advantage
Direct factory sourcing guarantees lowest global pricing. Customizable particle size (10-100mm) for specialized smelting needs.
Reliable Quality Assurance
Strict ISO-certified production with XRD analysis for purity verification. Vacuum-packed to prevent oxidation during transit. Optimize your production line with industry-leading silicon additives – request a bulk quote today.