Piperidinium Pentamethylene Dithiocarbamate from Mexico
This delayed-action dithiocarbamate accelerator provides scorch safety in rubber extrusion processes for automotive parts. HTS 2930.20.90.20 covers such thiocarbamates principally employed in rubber vulcanization per Chapter 29 classification hierarchy. It balances processing safety with final cure speed.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit rheometer cure curves demonstrating rubber processing performance
• Ensure product meets Chapter 29 impurity tolerances for chemically defined compounds
• Avoid anti-dusting agent additions that could trigger Chapter 29 note (g) reclassification