</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2903.51.10.00/HFO-1234ze Foam Blowing Agent/Mexico

HFO-1234ze Foam Blowing Agent from Mexico

1,3,3,3-Tetrafluoropropene (HFO-1234ze) serves as an environmentally friendly foam blowing agent for polyurethane insulation. Classified under HTS 2903.51.1000 as a specifically named unsaturated fluorinated acyclic hydrocarbon. Used in spray foam and panel production for building insulation.

Duty Rate — Mexico → United States

13.7%

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

• Include SNAP program documentation for foam blowing applications

• Provide stabilization certificates as HFO-1234ze requires inhibitors for safe transport

• Ensure proper placarding for UN1950 aerosols or UN3163 for refrigerated liquids

HFO-1234ze Foam Blowing Agent from Mexico — Import Duty Rate | HTS 2903.51.10.00