Zinc Naphthenate Anti-Corrosion Primer Additive from China
Zinc naphthenate, a water-insoluble metal salt of naphthenic acids, serves as a rust-inhibiting additive in industrial primers and paints. Classified under HTS 3824.99.7550 for other naphthenic acid salts used in protective coatings. It provides durable corrosion resistance on metal surfaces in automotive and marine sectors.
Duty Rate — China → United States
38.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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)
Import Tips
• Document metal salt purity and insolubility in water via lab analysis to support classification
• Comply with TSCA pre-notification for new chemical uses; declare as chemical preparation on entry