Spray-Up Unsaturated Polyester Resin from Mexico
Medium-reactivity unsaturated polyester resin optimized for spray-up fabrication of large FRP parts like tubs and pools. HTS 3907.91.5000 covers this as other unsaturated polyester, primary form per weight-based polymer notes. Compatible with continuous roving.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide thixotropic index data for verification; avoid bulk tanks over 55 gal without stabilization; reconcile with MEKP import declarations