</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
8405.90.00.00/Acetylene Generator Drum Seal Assembly/Japan

Acetylene Generator Drum Seal Assembly from Japan

Sealing mechanism for calcium carbide drums in acetylene generators to control water reaction rate. Classified as a part of acetylene water process gas generators under HTS 8405.90.00.00.

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

• Safety certifications for hazardous gas handling required; detail seal material compatibility with carbide residue; pitfall: chemical reactor part misclassification