Copper(I) Sulfide Powder from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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