Bismuth Sulfide Flakes from Mexico
Bismuth sulfide (Bi2S3) flakes used in thermoelectric materials and pigments. It is an 'other' sulfide under HTS 2830.90.90.00, chemically defined per Chapter notes.
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
• Provide XRF analysis for bismuth content verification
• Store and ship under nitrogen to prevent oxidation
• Confirm not mixed with organic stabilizers (would go to 2831)