Explanatory notes
… 7603.20 ‑ Powders of lamellar structure; flakes This heading covers aluminium powders as defined in Note 8 (b) to … process), to protect other metals from corrosion (e.g., calorising, metallic cementation), in rocket propellants and … as colours, paints or the like (e.g., made up with other colouring matter or put up as suspensions, dispersions or …