Piperidinium Pentamethylene Dithiocarbamate from China
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 — China → United States
28.7%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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