3827.90.90.00/R-454C Mildly Flammable Refrigerant/Japan

R-454C Mildly Flammable Refrigerant from Japan

A2L blend of R-32 and HFO-1234yf for new residential heat pump systems. Classified under HTS 3827.90.90.00 as other halogenated mixtures with mild flammability (A2L safety class). Meets latest global standards.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

Calculate with your customs value Verify with the Tariff Assistant

Import Tips

• Include A2L flammability mitigation device requirements documentation

• Train personnel on UL 60335-2-40 safety standards for A2L refrigerants

• Monitor HFO stability as it degrades under certain storage conditions