Difluoromethane HFC-32 for Air Conditioner Recharging from Mexico
Difluoromethane specifically designated HFC-32 for recharging residential and commercial air conditioning units, supplied in DOT-approved cylinders. As a halogenated derivative of acyclic hydrocarbon (CH2F2), directly covered by 2903.42.10.00 without solvents or stabilizers altering general use.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include bill of lading specifying 'non-ODS refrigerant' to avoid Customs holds under Montreal Protocol enforcement
• Pre-register with EPA's HFC allocation system; unallocated imports subject to seizure
• Beware undervaluation penalties; HFC-32 prices fluctuate with global quotas affecting declared values