HFC-143a + Pentafluoroethane Blend Base from China
1,1,1-Trifluoroethane (HFC-143a) component (90%) for blending with HFC-125 per EPA SNAP allowances. Still classified under HTS 2903.44.1020 when imported pure for subsequent mixing, as the specific compound naming prevails.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Document intended blend ratios (e.g
• 50/50 for R-507A); include downstream blender EPA ID
• Maintain segregated storage to prevent accidental pre-mixing during import transit
• ISO 9163 analytical method certification required for blend component verification