Subheading 3827.31 · Section VI
Mixtures containing halogenated derivatives of methane, ethane or propane; containing hydrochlorofluorocarbons (HCFCs), perfluorocarbons (PFCs) or hydrofluorocarbons (HFCs) or not, but not containing chlorofluorocarbons (CFCs); containing substances of su
Source: Harmonized System 2022 edition (World Customs Organization), from the UN Comtrade classification list.