Tetramethylthiuram Monosulfide (TMTM) from Mexico
TMTM is a thiuram monosulfide rubber accelerator derived from dimethyl dithiocarbamates. Provided for in HTS 2930.10.01.00 as a thiuram compound under organo-sulfur heading 2930. Essential in tire manufacturing.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide vulcanization end-use statement; test for nitrosamine byproducts
• Package in nitrogen-flushed bags