… Prepared pigments, prepared opacifiers and prepared colours, vitrifiable enamels and …
Explanatory notes
… 32.07 - Prepared pigments, prepared opacifiers and prepared colours, vitrifiable enamels and … the heat treatment of oxides (of antimony, silver, arsenic, copper, chromium, cobalt, etc.) or salts (fluorides, … application. The goods are used to produce a coloured or opaque surface in the course of ceramic firing. They may be …