| 1/00 | Ingredients generally applicable to manufacture of glasses, glazes or vitreous enamels |
| 1/02 | Ingredients generally applicable to manufacture of glasses, glazes or vitreous enamels Pretreated ingredients |
| 1/04 | Ingredients generally applicable to manufacture of glasses, glazes or vitreous enamels Opacifiers, e.g. fluorides or phosphates; Pigments |
| 1/06 | Ingredients generally applicable to manufacture of glasses, glazes or vitreous enamels Opacifiers, e.g. fluorides or phosphates; Pigments to produce non-uniformly pigmented, e.g. speckled, marbled, or veined products |
| 1/08 | Ingredients generally applicable to manufacture of glasses, glazes or vitreous enamels to produce crackled effects |
| 1/10 | Ingredients generally applicable to manufacture of glasses, glazes or vitreous enamels to produce uniformly-coloured transparent products |
| 3/00 | Glass compositions (glass batch compositions C03C 6/00) |
| 3/04 | Glass compositions (glass batch compositions C03C 6/00) containing silica |
| 3/06 | Glass compositions (glass batch compositions C03C 6/00) containing silica with more than 90% silica by weight, e.g. quartz |
| 3/062 | Glass compositions (glass batch compositions C03C 6/00) containing silica with less than 40% silica by weight |
| 3/064 | Glass compositions (glass batch compositions C03C 6/00) containing silica with less than 40% silica by weight containing boron |
| 3/066 | Glass compositions (glass batch compositions C03C 6/00) containing silica with less than 40% silica by weight containing boron containing zinc |
| 3/068 | Glass compositions (glass batch compositions C03C 6/00) containing silica with less than 40% silica by weight containing boron containing rare earths |
| 3/07 | Glass compositions (glass batch compositions C03C 6/00) containing silica with less than 40% silica by weight containing lead |
| 3/072 | Glass compositions (glass batch compositions C03C 6/00) containing silica with less than 40% silica by weight containing lead containing boron |
| 3/074 | Glass compositions (glass batch compositions C03C 6/00) containing silica with less than 40% silica by weight containing lead containing boron containing zinc |
| 3/076 | Glass compositions (glass batch compositions C03C 6/00) containing silica with 40% to 90% silica by weight |
| 3/078 | Glass compositions (glass batch compositions C03C 6/00) containing silica with 40% to 90% silica by weight containing an oxide of a divalent metal, e.g. an oxide of zinc |
| 3/083 | Glass compositions (glass batch compositions C03C 6/00) containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound |
| 3/085 | Glass compositions (glass batch compositions C03C 6/00) containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal |