Chemical composition
2N 3N 4N 5N
Spec. Spec. Spec. Spec.
Si Content (%) >99 >99.9 >99.99 >99.999
IMPURITIES (%):
Fe <0.50 <0.05 <0.005 <0.0005
Al <0.20 <0.01 <0.001 <0.0001
Ca <0.05 <0.01 <0.001 <0.0001
Ti <0.02 <0.005 <1ppmw <0,1ppmw
P* 5-20 ppmw 5-20 ppmw 5-20 ppmw <1 ppmw
B* 25-35 ppmw 25-35 ppmw 25-35 ppmw <1 ppmw
*These are the typical range values for B and P. Any target value could be produced.
**Other trace elements on request