</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2830.90.90.00/Bismuth Sulfide Flakes/Japan

Bismuth Sulfide Flakes from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Calculate with your customs valueVerify classification with AI

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)

Bismuth Sulfide Flakes from Japan — Import Duty Rate | HTS 2830.90.90.00