Table 1: Commercial oxide glass compositions.

Glass family Oxide, mass %
(application) SiO2 Na2O CaO Al2O3 MgO B2O3 BaO PbO K2O ZnO

Vitreous silica
(Furnace tubes, Si100
melting crucibles)

Soda-lime silicate:
Window72.014.210.00.62.5trace0.6
Container74.015.35.41.03.70.6
Bulb and tube73.316.05.21.33.5
Tableware74.018.07.50.5

Sodium borosilicate:
Chemical glassware81.04.52.012.0
Waste immobilisation43–536–240–143–190–5.38–17misc.misc.misc.misc.

Lead-alkali silicate:
Lead “crystal”59.02.00.425.012.01.5
Television funnel54.06.03.02.02.023.08.0

Aluminosilicate:
Halogen lamp57.00.0110.016.07.04.06.0trace
Fibreglass “E”52.917.414.54.49.21.0

Optical (crown)68.98.810.12.88.41.0