TMTM Thiuram Monosulfide Flakes from Mexico
TMTM thiuram monosulfide in flake form is a chemically defined organo-sulfur compound under HTS 2930.30.30.00. The flaked physical state aids dispersion in rubber mixes for vulcanization in automotive parts. Classification holds as physical form does not alter its chemical identity per chapter provisions.
Duty Rate — Mexico → 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
• Use fiber drums for flakes to prevent moisture absorption; include batch analysis for FDA if for indirect food contact rubber
• Common issue: Incorrect harmonized system declaration due to trade name confusion