Chemical Synthesis Silicon Chunks from China
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 — China → United States
18%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, 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