HFC-143a Cylinder Tonner Refill from Mexico
Bulk 1,1,1-trifluoroethane (HFC-143a) in 1-ton capacity tonner cylinders for industrial gas distributors. This separate chemically defined compound is classified in HTS 2903.44.1020 as specifically provided for 1,1,1-trifluoroethane.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• DOT 49 CFR 173.304 compliance; cylinders must have current hydrostatic test (<5 years)
• Include HFC production/reclamation allowance documentation per 40 CFR 84
• Valve outlet CGA 600 standard required for HFC-143a; include torque specs