Vulcacizer TMTM Technical Grade
Technical grade tetramethylthiuram monosulfide (TMTM), a thiuram monosulfide, falls under HTS 2930.30.30.00 as a pure organo-sulfur compound. It acts as a secondary accelerator in sulfur vulcanization systems for rubber goods like conveyor belts and seals. The compound's structure ensures compatibility with various rubber polymers without impurities affecting performance.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other thiuram mono-, di-, or tetrasulfides
Different thiuram sulfur variants have separate statistical reporting numbers within the heading.
If diluted in solvent for safe transport
Solutions of chapter 29 compounds in solvents for safety/transport classified here if not for specific use.
If misidentified as acyclic alcohol derivative
Material composition errors could shift to earlier oxygen-function headings, but sulfur linkage keeps it in 2930.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Declare exact CAS number (97-74-5) on commercial invoice; comply with TSCA pre-notice for new chemical uses
• Avoid common error: importing in retail packs which may trigger consumer product rules
Related Products under HTS 2930.30.30.00
Tetramethylthiuram Monosulfide (TMTM)
Tetramethylthiuram monosulfide, commonly known as TMTM, is a thiuram monosulfide classified under HTS 2930.30.30.00 as an organo-sulfur compound used primarily as an accelerator in rubber vulcanization processes. It facilitates faster curing of rubber compounds at elevated temperatures, improving the mechanical properties of tires and industrial rubber products.
Accelerator TMTM 98% Powder
High-purity 98% tetramethylthiuram monosulfide powder (TMTM) is a separate chemically defined organo-sulfur compound under HTS 2930.30.30.00. Used in the rubber industry as a delayed-action accelerator for efficient vulcanization of natural and synthetic rubbers. Its monosulfide structure provides solubility in rubber and optimal curing control.
Rubber Accelerator TS (TMTM)
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.
TMTM Thiuram Monosulfide Flakes
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.