</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

HFO-1234ze Spray Polyurethane Foam Precursor from Germany

HFO-1234ze (1,3,3,3-Tetrafluoropropene) specifically formulated as B-component blowing agent for spray polyurethane foam systems. Meets HTS 2903.51.1000 as pure named compound though destined for immediate chemical reaction. Supplied in returnable steel drums.

Duty Rate — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%

Import Tips

Drum return agreements required for bulk chemical imports

Temperature-controlled shipping mandatory (maintain <50°F)

SPF contractor end-use letters facilitate customs processing

HFO-1234ze Spray Polyurethane Foam Precursor from Germany — Import Duty Rate | HTS 2903.51.10.00