Trimethylolpropane Trimethacrylate from Canada
Trimethylolpropane trimethacrylate (TMPTMA) is trifunctional crosslinking agent for high-strength composites and 3D printing resins. Three methacrylate groups enable dense network formation; HTS 2916.14.20.50 statistical category for multifunctional esters. High shrinkage during cure characteristic.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Functionality number 2.9-3.1 via titration; MEHQ 500 ppm minimum; high flash point 214°C UN3082