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 68 Other, not included in the subheadings above, containing substances of subheadings 2 Commodity Code Description 38 27 68 00 Other, not included in the subheadings above, containing substances of subheadings 2 38 27 68 10 R-513B 38 27 68 90 Other