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 64 Other, not included in the subheadings above, containing 30 % or more by mass of 1,1 Commodity Code Description 38 27 64 00 Other, not included in the subheadings above, containing 30 % or more by mass of 1,1 38 27 64 10 R-407C 38 27 64 20 R427A 38 27 64 90 Other