High-Purity Cadmium Sulfide for Semiconductors from Japan
Ultra-high purity (6N) cadmium sulfide crystals or powder for manufacturing II-VI compound semiconductors like CdS photodetectors. Falls under HTS 2830.90.20.00 as chemically defined cadmium sulfide. Not doped or wafer-formed, qualifying for Chapter 28.
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 lot-specific purity certificates; customs may test for semiconductor-grade specs
• Declare end-use as inorganic compound, not electronic component, to prevent shift to Chapter 85
• Comply with Wassenaar Arrangement export controls if high-purity suggests dual-use tech