Poly-4-methyl-1-pentene Granules from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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