| section 06 | Products of the chemical or allied industries |
| chapter 38 | Miscellaneous chemical products |
| 38.27 | Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included: |
| －Containing other hydrofluorocarbons (HFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs): |
| 3827.61 | －－Containing 15 % or more by mass of 1,1,1-trifluoroethane (HFC-143a): |
| －－－Containing 1,1,1-trifluoroethane (HFC-143a) and pentafluoroethane (HFC-125) in the proportions of 50:50 (R-507A) |