Styrene-Modified Petroleum Resin SM-120 from Mexico
Thermoplastic petroleum resin copolymerized with styrene, deriving >95% aromatic content from petroleum and styrene monomers. HTS 3911.90.25.00 for such other aromatic thermoplastics in primary forms.
Duty Rate — Mexico → United States
16.1%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document copolymer ratio proving aromatic predominance per note (a)(2)
• Declare as primary granules, not adhesive compounds
• Common issue: undervaluation in adhesive trade names