ALKALI-FREE GLASS AND GLASS PLATE

By mole percent of oxides, this alkali-free glass contains 57-70% SiO2, 5-15% Al2O3, 15-24% B2O3, 0.2-10% MgO, 0.1-7% CaO, 0.1-2.5% SrO, 0-10% BaO and 0-0.1% ZnO, and the value of expression (A) represented by [Al2O3]/[B2O3] is greater than 0.35 and less than or equal to 1.4.