Dipenta methylene thiuram tetrasulfide from Japan
A thiuram tetrasulfide derivative containing piperidine rings, specifically enumerated in HTS 2933.39.08.00. Functions as an ultra-accelerator in rubber vulcanization processes for tire manufacturing.
Duty Rate — Japan → United States
27.5%
Rate breakdown
9903.04.6215%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
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
• Provide end-use statement confirming rubber accelerator application to avoid chemical weapon precursor scrutiny
• TSCA certification required for US manufacture/import; include inventory status documentation
• Not classifiable as organo-sulfur under 2930.90 due to nitrogen heterocyclic principal character