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2903.51.10.00/HFO-1234ze Appliance Foam Blowing Agent/Japan

HFO-1234ze Appliance Foam Blowing Agent from Japan

HFO-1234ze for domestic refrigerator and freezer insulation foam. 1,3,3,3-Tetrafluoropropene pure blowing agent of HTS 2903.51.1000. ISO tank quantities for appliance manufacturers.

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%
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Import Tips

• Appliance ENERGY STAR thermal performance modeling

• ISO tank heel minimization procedures

• Foam aging test protocols certification