HFC Medical Propellant Mixture from Mexico
Tetrafluoroethane (HFC-134a, 2903.42) blend with HFC-227ea (2903.48? wait 2903.47) for MDI inhalers. 3827.68.00.00 for pharmaceutical HFC mixes from chapter refs.
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
• GMP certification needed; USP purity specs; child-resistant packaging