Santoflex IPPD Rubber Antioxidant from China
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 — China → United States
44%
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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