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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
šŸ‡ØšŸ‡³China3%+37.5%40.5%
šŸ‡²šŸ‡½Mexico3%+10.0%13%
šŸ‡ØšŸ‡¦Canada3%+10.0%13%
šŸ‡©šŸ‡ŖGermanyFree+10.0%10%
šŸ‡ÆšŸ‡µJapanFree+12.5%12.5%

Alternative Classifications

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

2842.90.90Higher: 40.8% vs 40.5%

If as complex salts of bismuth

Complex metal salts classified in 2842.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

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)