… Prepared pigments, prepared opacifiers and prepared colours, … enamels and glazes, engobes (slips), liquid lustres and similar preparations, of a kind used in the ceramic, …
Explanatory notes
… 32.07 - Prepared pigments, prepared opacifiers and prepared colours, … in the glass industry or for colouring or finishing metal articles. (1) Prepared pigments, prepared opacifiers and … by the heat treatment of oxides (of antimony, silver, arsenic, copper, chromium, cobalt, etc.) or salts …