Duradene Rubber Antioxidant Blend from Mexico
Duradene is a synergistic blend of aromatic amines and phenolics designed for EPDM rubber weatherstrips in automotive sealing systems. The presence of aromatic antioxidants places it under HTS 3812.39.60.00.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
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
• List individual component CAS numbers and percentages in blend formulation
• Provide automotive OEM approval letters as proof of rubber end-use
• Monitor total aromatic amine content against exposure limits