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%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
• 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