Poly-4-methyl-1-pentene Granules from Mexico
Granular poly-4-methyl-1-pentene (TPX) is a semicrystalline olefin polymer used in optical and high-temp applications, classified in HTS 3902.90.00 for primary form olefin polymers beyond propylene. Meets 95% monomer threshold. Offers low density and high transparency.
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
• Ensure granules are uniform to prevent 'parts' misclassification; submit density specs (0.83 g/cm³) for verification
• Avoid moisture exposure during transit to maintain processability
• Register for TSCA if used in US manufacturing