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 63 Other, not included in the subheadings above, containing 40 % or more by mass of p Commodity Code Description 38 27 63 00 Other, not included in the subheadings above, containing 40 % or more by mass of p 38 27 63 10 R-407A 38 27 63 20 R-410A 38 27 63 30 R-438A 38 27 63 40 R-452A 38 27 63 90 Other