Polyurethane Construction Adhesive from Mexico
A moisture-curing polyurethane cement designed for bonding wood, concrete, and metal in construction applications. Classified under HTS 3909.50.2000 as it is a polyurethane-based cement in primary form, where polyurethane monomers constitute 95% or more by weight per chapter notes. Primarily used for structural bonding rather than bulk polymer resin.
Duty Rate — Mexico → United States
12.1%
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
• Verify polyurethane monomer content exceeds 95% by weight via lab testing to meet subheading note (a)(1); provide supplier certificates of analysis
• Common pitfall: misclassifying as finished sealant under 3214 if over 50% solvent
• Declare as 'primary form' to avoid parts classification