… improvers, anti-corrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same …
Explanatory notes
… to crude oils to protect metal structures (in particular, distillation columns). Their active constituents are … and tetramethyllead, and also contain, for example, 1,2‑dibromoethane or monochloronaphthalene. The heading does not … oxidation inhibitors are based on phenolic products (e.g., dimethyl‑ tert ‑butylphenol), and such derivatives of …