Silicon metal
HS code
2804.69
Metallurgical silicon for aluminium alloying, silicone manufacture and polysilicon feed. Graded by impurity ceilings, not by purity.
Specification
What to specify
What a supplier will ask you for, in the order they will ask.
- 01 Grade designation — 553, 441, 3303, 2202 or 1101
- 02 Silicon content minimum
- 03 Iron, aluminium and calcium maxima
- 04 Boron and phosphorus in ppm, if the material goes to silicones or polysilicon
- 05 Titanium and manganese, where the alloy shop restricts them
- 06 Size range and permitted fines
- 07 End use — aluminium alloy, silicone, or solar and polysilicon feed
Ready to enquire?
About five minutes with the parameters above to hand.