Heading 3207

Pigments, prepared; opacifiers, colours, vitrifiable enamels, glazes, engobes (slips), liquid lustres etc as used in the ceramic enamelling or glass industry; glass frit and powder, granules or flakes

320710 Pigments; prepared pigments, opacifiers, colours and similar preparations 320720 Enamels and glazes; vitrifiable enamels and glazes, engobes (slips) and similar preparations 320730 Lustres; liquid lustres and similar preparations 320740 Glass; glass frit and other glass, in the form of powder, granules or flakes