TMTM Thiuram Monosulfide Flakes from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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