HFC-143a Cylinder Tonner Refill from Japan
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 — 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%
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