New

Ask Wove anything about tariffs.

Try Tariff Assistant

Chemical Synthesis Silicon Chunks from Canada

Irregular silicon chunks (98-99% purity) for organosilicon compound manufacturing like silanes. Chemically defined under 2804.69.50.00 as other nonmetal silicon.

Duty Rate — Canada → United States

15.5%

Rate breakdown

9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter

Import Tips

• Submit intended end-use affidavits if borderline with Chapter 29 organosilicons

• Ensure inert atmosphere packaging certifications for reactive material

Chemical Synthesis Silicon Chunks from Canada — Import Duty Rate | HTS 2804.69.50.00