Specification :
 1. Silicon Metal
Code
Si
Fe
Al
Ca
P
553
98.5% min
0.5% max
0.5% max
0.3% max
100PPM/ 50PPM/ 40PPM
441
99.0% min
0.4% max
0.4% max
0.1% max
3303
99.0% min
0.3% max
0.3% max
0.03% max
2202
99.0% min
0.2% max
0.2% max
0.02% max
1502
99.0% min
0.15% max
0.2% max
0.02% max
2. Magnesium Ingot
Chemical composition( Mass Point) %
Mge
Impuritiesd
Fe
Si
Ni
Cu
Al
Mn
Cl
Ti
Pb
Zn
Other elements
Mg9990
0.01
0.03
0.001
0.002
0.02
0.05
0.005
—
—
—
0.01