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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• ISO 11600 standards for joint sealants documentation
• Isocyanate warnings for health/safety compliance
• Cure time specs prevent adhesive misclass