Flexible Polyurethane Caulking from Mexico
UV-stable polyurethane mastic for exterior window seals, paintable. HTS 3214.10.00.20 caulking mastic. For facade and indoor applications.
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
• ISO 11600 standards for joint sealants documentation
• Isocyanate warnings for health/safety compliance
• Cure time specs prevent adhesive misclass