Polymerization Mother Liquor from Resin Production from Mexico
Liquid residue remaining after precipitation of synthetic resins, containing unreacted monomers, oligomers, and solvents. Qualifies as 3825.61.00.00 waste mainly containing organic constituents from chemical industries.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• TSCA Inventory check for unreacted monomers requiring premanufacture notice
• Proof of waste status prevents classification as monomers (Chapter 29)
• pH and ignitability testing for hazardous waste determination