Silicon Metal 553

Element	Composition, %
Si	98.5 Min
Fe	0.50 Max
Al	0.50 Max
Ca	0.30 Max
Size: 10 – 100 mm

Silicon Metal 421

Element	Composition, %
Si	99 Min
Fe	0.40 Max
Al	0.20 Max
Ca	0.10 Max
Size: 10 – 100 mm