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2930.20.90.20/Tetramethylthiuram Disulfide (TMTD)/Mexico

Tetramethylthiuram Disulfide (TMTD) from Mexico

TMTD functions as both accelerator and sulfur donor in low-sulfur rubber curing systems for belting and hose production. As a dithiocarbamate derivative principally for rubber processing, it falls under HTS 2930.20.90.20 per Chapter 29 thiocarbamate provisions.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Provide vulcanizate property data confirming rubber curing function

• Ensure NIOSH handling precautions documented for import clearance