Chemical Synthesis Silicon Chunks from Mexico
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 — Mexico → United States
15.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Submit intended end-use affidavits if borderline with Chapter 29 organosilicons
• Ensure inert atmosphere packaging certifications for reactive material