Metallurgical Silicon Powder 99.1% Purity from United States
Fine silicon powder at 99.1% purity, used in aluminum alloying and steel deoxidation processes. This is elemental silicon in powder form, meeting Chapter 28 Note 1 as a separate chemical element. It is classified as 'other' silicon under this tariff item, as the purity is below 99.99% and the powder is not doped for electronics.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the powder is not doped for electronics and is in a form unworked as drawn or in cylinders/rods
• Provide a certificate of analysis showing silicon purity (99.1%) and particle size distribution
• Ensure the powder is not mixed with other substances, as mixtures may fall under other headings