Copper(I) Sulfide Powder from Mexico
Copper(I) sulfide (Cu2S) powder employed in mineral flotation and as a semiconductor material. Classified in HTS 2830.90.90.00 as other chemically defined sulfides.
Duty Rate — Mexico → United States
13%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include spectroscopic analysis to distinguish Cu2S from CuS (covellite)
• Comply with copper import quotas if applicable; declare purity level
• Avoid retail packaging that might trigger consumer product headings