DPG Aromatic-Activated Accelerator (1,3-Diphenylguanidine) from Canada
DPG serves as a secondary accelerator and activator containing diphenyl aromatic structure for CR and EPDM compounds. Clearly qualifies under HTS 3812.10.1000 aromatic accelerator subheading.
Duty Rate — Canada → United States
16.5%
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
• Confirm crystal form and particle size specs; ensure solubility data provided; verify absence of DMSO impurities