Tetramethylthiuram Monosulfide (TMTM) from Germany
Tetramethylthiuram monosulfide (TMTM) serves as a delayed-action accelerator in rubber compounding, particularly for thick articles. It is classified in HTS 2930.30.60.00 as an 'other' thiuram sulfide under organo-sulfur compounds, containing the required direct sulfur-carbon linkages. This product is handled as a high-purity chemical intermediate.
Duty Rate — Germany → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Include structural formula verification in documentation to prove thiuram classification; ensure no metal coordination that would shift to heading 2942; store in original industrial packaging to avoid retail classification