Cobalt Naphthenate Catalyst from Mexico
Cobalt naphthenate serves as a polymerization catalyst in polyester resin production and as a paint drier. As a water-insoluble salt of naphthenic acids, it precisely matches HTS 3824.99.75 classification for industrial chemical preparations. Concentration typically 6-10% cobalt metal content.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Cobalt content requires conflict minerals reporting under Dodd-Frank if applicable
• Classify as UN3077 Environmentally Hazardous Substance for transport
• Avoid dilution beyond 12% solids to maintain chemical preparation status