Cobalt Naphthenate Catalyst for Polyester Resins from Canada
Cobalt naphthenate serves as an accelerator in unsaturated polyester resin curing for fiberglass composites. As a water-insoluble naphthenic acid salt, it fits HTS 3824.99.7550 for other such preparations. Used in boat building, automotive parts, and corrosion-resistant tanks.
Duty Rate — Canada → United States
13.7%
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
Import Tips
• 12% max cobalt content typical—verify via ICP analysis for duty-free claims if applicable
• Hazardous material declaration for flammability; pair with MEKP hardener docs
• Avoid 2852 classification—it's organic salt, not inorganic compound