Trimethylolpropane Trimethacrylate from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Functionality number 2.9-3.1 via titration; MEHQ 500 ppm minimum; high flash point 214°C UN3082