Patent Number: 
Section: claims

1. A glass composition for vitrifying a flammable waste product, the glass composition consisting of:30 to 60 wt % of SiO2, 6.5 to 8.5 wt % of Al2O3, 10 to 16 wt % of B2O3, 8 to 15 wt % of CaO, 1 to 6 wt % of K2O, 2 to 10 wt % of Li2O, 0.5 to 6 wt % of MgO, 8 to 28 wt % of Na2O, 2 to 5 wt % of TiO2, 0.1 to 5 wt % of CeO2, 0.1 to 2 wt % of CoO, 0.1 to 5 wt % of VO2, 1 to 5 wt % of ZnO, and 0.5 to 3 wt % of ZrO2.