Flexible Polyurethane Caulking from Canada
UV-stable polyurethane mastic for exterior window seals, paintable. HTS 3214.10.00.20 caulking mastic. For facade and indoor applications.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, 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