… (slips), liquid lustres and similar preparations, of a kind used in the ceramic, enamelling or glass industry; glass frit and other glass, in the form of powder, …
Explanatory notes
… (slips), liquid lustres and similar preparations, of a kind used in the ceramic, enamelling or glass industry; glass frit and other glass, in the form of powder, … surface in the course of ceramic firing. They may be incorporated in the glaze or enamel, or be applied as a …