Section 06 Products of the chemical or allied 38 Miscellaneous chemical products 38 11 Anti-knock preparations, oxidation inhibitors..., to use as mineral oils 38 11 90 Other additives other than for lubricating oils, nes 38 11 90 00 Other additives other than for lubricating oils, nes Commodity Code Description 38 11 90 00 00 Other additives other than for lubricating oils, nes