Products SILICON METAL 1101 SILICON METAL 1101 Chemical CompositionElementSpecification (%)Silicon (Si)≥ 99.7Iron (Fe)≤ 0.10Aluminum (Al)≤ 0.10Calcium (Ca)≤ 0.01The grade designation “1101” indicates the maximum impurity levels:1 = Fe ≤ 0.1%1 = Al ≤ 0.1%01 = Ca ≤ 0.01%Silicon Metal 1101 Specification TableGradeSi (%)Fe (%)Al (%)Ca (%)1101≥99.7≤0.10≤0.10≤0.01Typical ApplicationsSemiconductor manufacturingSolar photovoltaic (PV) industryElectronic-grade silicon productionHigh-purity silicone productsChemical and metallurgical industries requiring ultra-low impurities