Chemical Composition:

Silicon (Si): 72% - 80%
Iron (Fe): 22% - 28%
Aluminum (Al): ≤2.5%
Carbon (C): ≤0.2%
Phosphorus (P): ≤0.04%
Sulfur (S): ≤0.02%

Physical Properties:

Density: 6.8 - 7.2 g/cm3
Melting point: 1,200°C - 1,425°C
Boiling point: 2,300°C
Thermal conductivity: 100 - 140 W/mK
Coefficient of thermal expansion: 2.5 - 4.5 x 10^-6 /°C

Particle Size:

Typically ranging from 10mm to 50mm
Packaging:

Usually packed in 1-ton bulk bags, or smaller bags upon request.