Marlex HHM TR-144 MDPE Granules from Canada
Marlex HHM TR-144 medium density polyethylene granules for gas pipe applications, with density 0.934-0.938 and high stress crack resistance. HTS 3901.10.5030 applies as ethylene polymer pellets with specific gravity <0.94 and medium density designation, ethylene monomers ≥95%.
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
• Submit hydrostatic design basis (HDB) certs for pipe-grade MDPE
• Ensure no masterbatch additives push comonomers over 5%
• Declare exact density range to prevent shifts to HDPE headings