Section 06 Products of the chemical or allied industries 38 Miscellaneous chemical products 38 27 Mixtures containing halogenated derivatives of methane, ethane or prop ane, not elsewhere specified or included 38 27 65 Other, not included in the subheadings above, containing 20 % or more by mass of difl Commodity Code Description 38 27 65 00 Other, not included in the subheadings above, containing 20 % or more by mass of difl 38 27 65 10 R-448A 38 27 65 20 R-449A 38 27 65 90 Other