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Bismuth Sulfide Flakes

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3%+35.0%38%
🇲🇽Mexico3%+10.0%13%
🇨🇦Canada3%+10.0%13%
🇩🇪Germany3%+10.0%13%
🇯🇵Japan3%+10.0%13%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2842.90.90Higher: 38.3% vs 38%

If as complex salts of bismuth

Complex metal salts classified in 2842.

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Import Tips & Compliance

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)