</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Calculate with your customs valueVerify classification with AI

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

R-454C Mildly Flammable Refrigerant from Japan — Import Duty Rate | HTS 3827.90.90.00