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HFO-1234ze Spray Polyurethane Foam Precursor from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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