Zinc Naphthenate Anti-Corrosion Primer Additive from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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