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3827.90.90.00/R-454C Mildly Flammable Refrigerant/Mexico

R-454C Mildly Flammable Refrigerant from Mexico

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 — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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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 Mexico — Import Duty Rate | HTS 3827.90.90.00