</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
3911.90.25.00/Styrene-Modified Petroleum Resin SM-120/Mexico

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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Calculate with your customs valueVerify classification with AI

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

Styrene-Modified Petroleum Resin SM-120 from Mexico — Import Duty Rate | HTS 3911.90.25.00