Vinylidene Chloride Copolymer AC from Mexico
AC copolymer (85% vinylidene chloride, 15% acrylonitrile) is a specialty vinyl polymer used in barrier coatings, classified in HTS 3905.99.8000 as 'other' vinyl polymers where no monomer reaches 95% dominance per subheading note (a)(4). Supplied in primary pellet form.
Duty Rate — Mexico → United States
15.3%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Submit monomer weight percentage certificates; classification hinges on no single comonomer > all others per note (a)(4)
• Specify exact composition on commercial invoice to avoid misclassification as PVDC homopolymer (3904.61)