Santoflex IPPD Rubber Antioxidant from Mexico
Santoflex IPPD (N-isopropyl-N'-phenyl-p-phenylenediamine) is an aromatic antidegradant and antioxidant used in tire rubber compounds to protect against ozone cracking and heat aging. Classified under HTS 3812.39.60.00 due to its modified aromatic structure and rubber stabilization function.
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
• Provide manufacturer specifications confirming CAS number and aromatic content for CBP verification
• Check REACH compliance documentation for EU-origin materials entering US
• Avoid common pitfall of misdeclaring concentration levels leading to duty recalculation