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%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Safety certifications for hazardous gas handling required; detail seal material compatibility with carbide residue; pitfall: chemical reactor part misclassification