Duradene Rubber Antioxidant Blend from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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