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 trifluoromethane (HFC-23) or perfluorocarbons (PFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs): |
3827.51 | --Containing trifluoromethane (HFC-23) |