TMTD Rubber Accelerator (Tetramethylthiuram disulfide) from Canada
TMTD is a fast-acting ultra-accelerator used in latex and dry rubber systems, often combined with other accelerators. It qualifies under HTS 3812.10.5050 as a prepared rubber accelerator, providing excellent processing safety in thin-walled articles like surgical gloves and balloons. Effective across wide temperature ranges.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document specific rubber vulcanization application to prevent reclassification as general thiuram fungicide under 2930.90
• Provide evidence of powder or granular formulation designed for rubber mixing equipment compatibility
• Ensure compliance with latex sensitization regulations when used in medical products