Rubber Accelerator TS (TMTM) from Canada
Rubber accelerator TS, chemically tetramethylthiuram monosulfide, is classified in HTS 2930.30.30.00 due to its organo-sulfur thiuram structure. It promotes efficient cross-linking in rubber during vulcanization, used in tire manufacturing and footwear production. Meets chapter note (a) as a separate chemically defined organic compound.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide REACH or equivalent chemical registration docs for EU-origin goods; test for heavy metal impurities
• Pitfall: Bulk vs. drum packaging affecting freight class and duties