Polyurethane Construction Sealant from Mexico
High-performance polyurethane mastic for expansion joints in concrete buildings. Caulking compound under HTS 3214.90.50.00, non-bituminous. Used for durable, flexible sealing.
Duty Rate — Mexico → United States
13.25%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Comply with ISO 11600 standards for sealants
• Document elasticity modulus and UV resistance
• Prevent reclassification as rubber under Chapter 40