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%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Submit intended end-use affidavits if borderline with Chapter 29 organosilicons
• Ensure inert atmosphere packaging certifications for reactive material