Modified Petroleum Thermoset Resin Lumps from Canada
Lumps of C9 petroleum resin modified with aromatic monomers to thermosetting form for tire cord adhesives. HTS 3911.90.4500 for petroleum resins containing aromatic units, primary lumps. Improves rubber-to-fabric bonding.
Duty Rate — Canada → United States
15.8%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• GC-MS analysis required to prove aromatic monomer >95% contribution
• Distinguish from hydrocarbon resins in 3911.10 via curing test results