Injection Molding Polystyrene Resin from Mexico
High flow polystyrene resin for precision injection molding of household items, falling under HTS 3903.19.00.00 as other polystyrene in primary forms. Balanced viscosity for complex thin-wall parts.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include flow rate specs (MFI 15-25) proving suitability for primary processing
• Color masterbatch must be declared separately to avoid blend issues
• Test for residual styrene (<500ppm) to meet VOC regulations